RenovationNotes

References

Windows, Doors & Glazing

196 sources in the library on windows, doors & glazing. Each one says what the document covers and what it is good for. Name a source to see which document it is and where to read it. One at a time. Page 2 of 5.

  1. very strong RN-CRNETJ

    Historic Environment Division, Department for Communities (Northern Ireland)

    NORTHERN IRELAND, with a fifth grading system distinct from every other nation. There are over 9,100 listed buildings in Northern Ireland, designated as being of special architectural or historic interest under SECTION 80 OF THE PLANNING ACT (NORTHERN IRELAND) 2011, not England's Planning (Listed Buildings and Conservation Areas) Act 1990. Statutory listing began in Northern Ireland in 1974 and the First Survey took over 20 years. Grades are A, B+, B, B1 and B2, against England's I, II* and II and Scotland's A, B and C, but the statutory controls apply EQUALLY to all listed buildings irrespective of grade, so the NI grade does not change what consent is needed. Listing covers the complete interior and exterior and can extend to fixtures and free standing objects within the curtilage. The Historic Environment Division is a statutory consultee to the local councils, which determine listed building consent applications. Records sit in the NI Buildings Database, the Historic Environment Map Viewer and the Historic Environment Register of Northern Ireland.

  2. very strong RN-3KFYDM

    Historic Environment Scotland

    SCOTLAND, and it contradicts England directly on one point: conservation area consent still exists in Scotland for the demolition of unlisted buildings, whereas England abolished it in 2013 and folded relevant demolition into planning permission. As at March 2026 Scotland had more than 46,500 listed building records and more than 600 conservation areas. Listed building consent must be applied for from the planning authority before any change that may affect the character of the property, and is almost certainly needed for an extension, structural alterations, partial or total demolition, internal alterations affecting character, and changing windows and doors; cleaning stonework, changing external paint colour and new signage may also need permission. The owner is responsible for repair and maintenance. Planning authorities may hold a character appraisal explaining a conservation area's designation. HES and the Scottish Government Building Standards Division jointly publish the Guide to Conversion of Traditional Buildings to reconcile building standards with conservation.

  3. very strong RN-RC60U0

    Historic Environment Scotland

    SCOTLAND. Listed buildings are designated by Historic Environment Scotland under the Planning (Listed Buildings and Conservation Areas) (Scotland) Act 1997, not England's 1990 Act, and the first statutory listing in Scotland dates to 1957. There are around 47,000 listed buildings in Scotland, graded in three categories A, B and C by relative importance according to period, style or building type; the categories are advisory and affect how the building is managed in the planning system. Scotland's grading letters differ from England's Grade I, II* and II. Unless the statutory address explicitly says otherwise, a listing always covers the interior as well as the exterior, extensions and any attached structures, and unattached structures within the curtilage are also listed. Each building has an online Listed Building Record whose Statutory Address is the legal part of the listing. Listed Building Consent may be required for change, and designation decisions follow the HES Designation Policy and Selection Guidance.

  4. very strong RN-RCRF7V

    Ministry of Housing, Communities and Local Government

    Approved Document B volume 1, the statutory guidance to Part B of the Building Regulations for dwellings in England. Paragraph 2.10 settles what an emergency escape window has to do: an unobstructed openable area of at least 0.33 square metres, at least 450mm high and 450mm wide, with the bottom of the opening no more than 1100mm above the floor, and the window able to stay open without being held. That is the requirement a replacement hinge has to keep intact.

  5. very strong RN-3MHLSF

    Ministry of Housing, Communities and Local Government

    The 8 page document that sets out what a competent person scheme operator must satisfy, and it is what connects UKAS accreditation to the schemes a homeowner meets. Records that schemes are authorised under paragraph 4A of Schedule 1 to the Building Act 1984 and named in Schedule 3 to the Building Regulations 2010 as amended, and that in all cases demonstration must be sufficient to meet BS EN ISO/IEC 17065:2012, the product certification body standard. Condition 1 requires the scheme operator to achieve and maintain UKAS accreditation to BS EN ISO/IEC 17065:2012, within one year of authorisation for an extension to an existing scheme or within two years for a new scheme operator, with a UKAS pre-assessment submitted with the application. Condition 3 requires assessors and inspectors to be competent at least to the equivalent level in the relevant sector Minimum Technical Competence assessment procedure. Condition 4 requires a transparent fee structure, self-financing within not later than five years of authorisation, and use of registrants' registration and notification fees only for the benefit of registrants or the sector. Condition 5 requires documented management of conflicts of interest, noting the risk where a scheme is owned by a larger commercial, trade or professional body. In force for any UKAS assessment begun on or after 1 April 2016.

  6. very strong RN-GWUUOR

    Ministry of Housing, Communities and Local Government

    The landing page for Approved Document L, Conservation of fuel and power. Volume 1: Dwellings, 2021 edition incorporating 2023 amendments, took effect 15 June 2022, with transitional cover where a building notice or initial notice was given or full plans deposited before 15 June 2022 and the work started before 15 June 2023. A 2026 edition, retitled Approved Document L: Energy and greenhouse gas emissions, Volume 1: Dwellings, is published on the same page alongside Volume 2 for buildings other than dwellings. Volume 1 was last updated 2 February 2023 and the 2023 amendment removed the primary energy factor as a performance standard for district heat networks and community heating.

  7. very strong RN-8Y875H

    Ministry of Housing, Communities and Local Government

    The list of test standards common across product families that UK approved bodies use when assessing construction products, published 27 January 2021 and last updated 21 May 2025, in force from 1 January 2021. Names the specific test methods behind fire performance claims a product data sheet will quote, so a note can verify what a rating actually measures: TS 1187 external fire exposure to roofs; EN ISO 1182 non-combustibility test; EN ISO 1716 gross heat of combustion or calorific value; EN 13823 the single burning item test for building products excluding floorings; EN ISO 11925-2 ignitability under direct flame impingement, the single-flame source test; EN ISO 9239-1 burning behaviour of floorings using a radiant heat source; EN 1365-3 and EN 1365-4 fire resistance of loadbearing beams and columns; EN 1634-1 and EN 1634-3 fire resistance and smoke control for door and shutter assemblies and openable windows; and the EN and ENV 13381 series for applied protection to composite, hollow steel, timber and steel structural members. The latest versions of the standards themselves are on the BSI website.

  8. very strong RN-XMTR5S

    Ministry of Housing, Communities and Local Government

    The stable gov.uk landing page for Approved Document O, Overheating, 2021 edition, in force for England. It carries the free-area requirements a note would cite from Section 1: for cross-ventilated buildings the total minimum free area is the greater of 6% of floor area or 70% of glazing area in a high risk location, and the greater of 9% of floor area or 55% of glazing area in a moderate risk location (Table 1.3); without cross-ventilation it is the greater of 10% of floor area or 95% of glazing area (high risk) and 12% or 80% (moderate) (Table 1.4). Bedroom minimum free area is 13% of the room floor area in high risk locations and 4% in moderate. In high risk locations, glazing facing between north-east and north-west via south also needs shading by external shutters with ventilation, glazing with a maximum g-value of 0.4 and minimum light transmittance of 0.7, or overhangs with a 50 degree altitude cut-off on due south facades only; internal blinds, curtains and tree foliage may not be counted (paragraphs 2.8 and 2.9).

  9. very strong RN-NIATX2

    Ministry of Housing, Communities and Local Government

    The 2015 edition of Approved Document Q, published 5 March 2015 and last updated 22 November 2024 when frequently asked questions were added. Requirement Q1 (unauthorised access) requires reasonable provision to resist unauthorised access to any new dwelling and to any part of a building from which access can be gained to a flat within it. It is the only Approved Document about security, it bites only on new dwellings (including dwellings formed by a material change of use), and it sets out that doors and windows must be both sufficiently robust and fitted with appropriate hardware, tested to a recognised security standard. Useful for establishing that Part Q does not apply to a straight window replacement in an existing house.

  10. very strong RN-XS4MR0

    Ministry of Housing, Communities and Local Government and Office for Product Safety and Standards

    The official list that decides which British and European standards a construction product's declaration of performance must be assessed against, first published 18 December 2020 and last updated 26 September 2025, applying to England, Scotland and Wales. Explains that designated standards support Regulation (EU) No. 305/2011 as amended from time to time, and that together with the horizontal standards on assessment methods they create the common technical language UK approved bodies use when carrying out assessments. Published as a notice of publication dated 26 September 2025, a 51 page PDF, superseding the notice of 1 January 2021 of 53 pages, alongside a consolidated list in ODS format at version 2. This is the reference that turns the standard number cited in a declaration of performance into a check that the right standard was used. A companion page covers horizontal test specifications for construction products.

  11. very strong RN-69H4L9

    Scottish Government (gov.scot)

    The in-force Scottish handbook, 13.6 MB PDF, applying from 6 April 2026. Figures a note on Scotland needs: Standard 4.6 requires a dwelling to have at least 4 thirteen-amp socket outlets in each apartment, 6 in the kitchen of which at least 3 above worktop level in addition to any for floor standing or built-in appliances, and a further 4 anywhere in the dwelling including at least 1 in each circulation area per storey, with no equivalent requirement in England. Clause 4.6.1 requires at least one lighting point in every circulation space, kitchen, bathroom, toilet and any space of 2 m2 or more; clause 4.6.2 sets 100 lux on stair flights and landings and 50 lux elsewhere in common circulation areas. Table 3.11 sets background ventilator equivalent areas of 12,000 mm2 per apartment and 10,000 mm2 for a kitchen, utility, toilet, bathroom or shower room, doubled where ducted, with part of the ventilator at least 1.75 m above floor level. Table 3.12 sets intermittent extract rates of 30 l/s over a hob, 60 l/s elsewhere in a kitchen, 30 l/s utility, 15 l/s bathroom or shower, 6 l/s WC, with fan and background ventilator at least 0.5 m apart. Table 6.2 sets maximum U-values of 0.17 wall, 0.15 floor, 0.12 roof, 1.4 windows, roof windows and doors, 2.1 rooflights, with a Window Energy Rating or Doorset Energy Rating of B or better as an alternative for units in an existing building; for 1 or 2 matching replacement windows the frame may be disregarded if the centre pane U-value is 1.2 W/m2K or less, secondary glazing should reach about 3.5 W/m2K, and total glazed area should not exceed 25 per cent of dwelling floor area. Clause 4.8.2 requires glazing to BS 6262-4:2018 within 800 mm of floor level, in a door leaf, or within 300 mm of a door leaf and within 1.5 m of floor level, with manifestation between 850 mm and 1.0 m and between 1.4 m and 1.6 m above floor level. Clause 4.8.3 requires any window or rooflight more than 4 m above adjacent ground or floor to be cleanable safely from inside per Clause 8 of BS 8213-1:2004, from a loadbearing surface, or from a mounted access system, sets safe reach limits of 610 mm downward and an 850 mm radius arc from a point not more than 1.3 m above floor level, and bars ladder access to glazing more than 9 m above the ladder's footing.

  12. very strong RN-8T0SVC

    Scottish Government (gov.scot)

    Scotland's equivalent of the Approved Documents, and the reason a note that quotes only English rules is wrong for a fifth of the UK. This edition is in force from 6 April 2026 and applies to building warrants submitted on or after that date and to work not requiring a warrant commenced from that date. It gives guidance on achieving the standards set in the Building (Scotland) Regulations 2004, arranged in sections rather than parts: section 3 environment (ventilation, drainage, condensation), section 4 safety (electrical safety and installations, glazing and danger from accidents, including clause 4.13 which invokes PAS 24 for security), section 6 energy (U-values for windows and doors) and section 7 sustainability. Scotland uses a building warrant and a completion certificate rather than a building notice, and has no Part P competent person scheme equivalent, so electrical work is covered by the warrant system instead.

  13. very strong RN-84BHGV

    Scottish Government (gov.scot)

    SCOTLAND, and the numbering has no England equivalent: Scotland puts escape under Standard 2.9, not Approved Document B. Clause 2.9.4 requires an escape window in every apartment on an upper storey not more than 4.5 metres above the adjacent ground, and in every inner room at that height, unless there is an alternative route of escape. The escape window must have an unobstructed openable area of at least 0.33 square metres and be at least 450 mm high and 450 mm wide, with the bottom of the openable area not more than 1100 mm above the floor; the route through may be at an angle. Above 4.5 metres an escape window is not accepted and clause 2.9.5 requires every apartment to have direct access to a protected enclosure with self-closing short fire resistance duration fire doors leading to an exit door. Above 7.5 metres clause 2.9.6 requires an alternative exit. Text verified identical in the April 2026 PDF handbook.

  14. very strong RN-B7FKWF

    The National Archives (legislation.gov.uk)

    Sets out exactly what a declaration of performance must contain, which is what to look for when checking a product claim. Article 6(2) requires the product-type reference, the system or systems of assessment and verification of constancy of performance from Annex V, the reference number and date of issue of the designated standard or UK Technical Assessment used for each essential characteristic, and any Specific Technical Documentation reference. Article 6(3) requires the intended use or uses, the list of essential characteristics, the performance of at least one essential characteristic, performance stated by level, class or description, and crucially that any listed essential characteristic for which no performance is declared must carry the letters NPD, meaning No Performance Determined. Article 6(4) requires the declaration to follow the model in Annex III.

  15. very strong RN-BWO1CR

    The National Archives (legislation.gov.uk)

    The instrument that made the 2021 changes real, so a note can date them exactly. Regulation 1 sets citation and commencement on 15 June 2022, extending to England and Wales but applying to buildings and building work in England. Regulation 11 amends Schedule 1: it adds "to a reasonable standard" to entry L1(b)(i), inserts new requirement L2 on on-site generation of electricity (systems must be appropriately sized, have effective controls and be commissioned to produce the maximum electricity reasonable in the circumstances), and inserts a whole new PART O OVERHEATING with requirement O1, reproduced in full and carrying NO limits on application. Regulation 4 inserts regulation 4(4) and 4(5), a rule renovation guides almost never mention: where Part L imposes a requirement on the work, then on completion the whole building must comply with Part F or be no more unsatisfactory in relation to Part F than before the work began, so a Part L job such as new glazing or wall insulation drags a whole-house ventilation duty with it. Regulation 8 inserts regulations 40A and 40B, requiring the person carrying out the work to give the owner information about an on-site electricity generation system, and about the Part O overheating provision, no later than five days after completion. Regulation 17 is the transitional provision: the amendments do not apply where a building notice or initial notice was given, or full plans deposited, before 15 June 2022, provided the work started before 15 June 2023.

  16. very strong RN-S59WD1

    Welsh Government

    The Welsh Government circular announcing the 2026 editions. Approved Document L (Conservation of fuel and power and the minimisation of greenhouse gas emissions) Volumes 1 and 2 and Approved Document F (Ventilation) Volume 1 were published on 7 April 2026 and come into force on 4 March 2027. The transitional arrangements are precise and matter to anyone starting work near that date: the new documents do not apply to building work commenced before 4 March 2027 in accordance with any relevant notification provision, nor where notification was given before that date and the work commences before the period ending on 3 March 2028. The circular is informational and states expressly that it does not give advice on the technical requirements, which are in the Approved Documents themselves.

  17. very strong RN-MY15X0

    Welsh Government (gov.wales)

    The Welsh Approved Document L Volume 1, in force until 3 March 2027, and the source for Welsh window figures, which are not identical to England's. Table 10.1 sets, for new and replacement windows and roof windows, a maximum U-value of 1.4 W/(m2K) or WER Band B, with an alternative for replacements of 1.2 W/(m2K) centre pane or low-E secondary glazing, and a threshold U-value for retained windows of 3.3. Rooflights: 2.2 for new and replacement, threshold 3.8. Doors more than 60 per cent glazed: 1.4 or DSER Band C, alternative 1.2 centre pane, threshold 3.3. All other doors: 1.4 or DSER Band B, threshold 3.3. External fire doorsets as defined in Approved Document B Volume 1 may be 1.8. Transitional easements allowed timber windows at 1.6 or WER Band C and timber doors at 1.8 or DSER Band E only where a building notice, initial notice or full plans were given before 23 November 2023. Paragraph 11.35 requires an existing window or door worse than the column (c) threshold to be replaced to column (a); paragraph 11.37 states that windows and doors mean the whole unit including the frame, so replacing just the glazing or the door leaf while retaining the existing frame is not building work and does not have to meet the energy efficiency requirements, though upgrading as close as practicable is sensible; paragraph 11.38 caps the total area of windows and doors at 25 per cent of total floor area where one is enlarged or created.

  18. very strong RN-JOH3I6

    Welsh Government (gov.wales)

    The Welsh Government landing page that shows which edition of Approved Document L applies in Wales and when. Two editions of Volume 1 (dwellings) sit side by side: the current edition in force until 3 March 2027 at /sites/default/files/publications/2024-05/building-regulations-approved-document-l-vol-1.pdf, and the 2026 edition in force from 4 March 2027 at /sites/default/files/publications/2026-04/building-regulations-approved-document-l-vol-1-2026.pdf. Note the date differs from England, where the 2026 edition of Approved Document L takes effect on 24 March 2027, so a note giving a single UK-wide changeover date is wrong for Wales by three weeks.

  19. strong locally RN-LE8QNC

    Royal Borough of Greenwich, Housing and Safer Communities

    United Living pricing schedules, contract SPS-2686, Doors schedule ref D0052 and Replace Bespoke SoR ref D114, a council publishing its own schedule. It binds in that district only, so it is cited as evidence of local charges and never as the authority for a national rule

  20. strong RN-W4GQBN

    British Fenestration Rating Council (BFRC)

    BFRC's own explanation of how a window energy rating is produced and policed. The rating scale runs from A++ at the best to E at the worst, and the rating is an energy balance: positive contributions from solar gain minus the negative contributions of thermal heat loss and air leakage, so a rating is not the same thing as a U-value. A certified product carries an official sticker inside the frame showing the rating letter, the certified company name and the BFRC membership number, and the licence can be checked as active on the BFRC website. BFRC describes the scheme as a verified method of achieving compliance with building regulations, and separately certifies U-values for use by SAP assessors and for UKCA marking. This is the page to cite when a note has to explain that an A-rated window and a 1.4 W/m2K window are two different claims.

  21. strong RN-XGD0N6

    BSI

    Part 1 of the insulating glass unit series, covering generalities, system description, rules for substitution, tolerances and visual quality. It defines insulating glass as two or more glass panes spaced apart and sealed with a sealant to behave as a single unit, and names the intended uses: windows, doors, curtain walling, bonded glazing for doors, windows and curtain walling, roofs and partitions. Meeting the standard indicates that a unit fulfils the needs of its intended use, and the conformity evaluation is what assures that visual, energetic, acoustic and safety parameters do not change significantly over time. BS EN 1279-1:2018 supersedes and withdraws BS EN 1279-1:2004 with technical changes. This is the reference for what counts as an acceptable visual defect in a new sealed unit, which is the question behind most double glazing disputes.

  22. strong RN-01XI9T

    BSI

    part 2 of the European standard series on insulating glass units, current and published 31 July 2018, which describes the test method for determining the moisture penetration index of a sealed unit and specifies the limit values it must meet. It is the standard behind the failure that shows as condensation inside a double glazed unit, which is a failure of the unit edge seal rather than of the external glazing gasket

  23. strong RN-MFOJD7

    BSI

    The product standard for the sealed double glazed unit itself, published 31 July 2018 and current but under review. It sets requirements for insulating glass units used in buildings, covering thermal performance, energy efficiency and sound control, and excludes artistic-use-only units that do not require CE marking. The 2018 revision aligns it with EU Construction Product Regulation 305/2011, adding requirements for bonded glazing systems, solar factor declarations, durability assessment and mechanical resistance in the Declaration of Performance. Its sibling parts define the rest of the family: BS EN 1279-1:2018 on generalities, system description, rules for substitution, tolerances and visual quality, BS EN 1279-2 on the long-term moisture penetration test, BS EN 1279-3 on gas leakage rate and gas concentration tolerances, and BS EN 1279-4 on the physical attributes of edge seal components. This is the standard behind a misted or blown unit failing, because the edge seal is what has given way.

  24. strong RN-E6EZEI

    BSI (British Standards Institution)

    The standard the conservation trade works to, and the one a listed-building or period-property note should name. BS 7913 is paywalled, so only the BSI catalogue page is public; it confirms the current edition is BS 7913:2013, published 31 December 2013, status Current, ISBN 978 0 580 75778 5, prepared by BSI committee B/560 and classified under ICS 91.040.99. The catalogue page states this is the SECOND edition, updated to align with current best practice, and that the standard describes best practice in the management and treatment of historic buildings, applying to historic buildings both WITH and WITHOUT statutory protection, which is the point most renovation articles miss when they treat conservation guidance as relevant only to listed buildings. Its named audience includes owners, users, occupiers and managers of historic buildings, architects, engineers, surveyors, building managers, conservators, planners and local authority building control officers. The listed descriptors show its coverage: conservation, legislation, maintenance, fire safety in buildings, costs, hazard prevention, inspection, repair, building maintenance, design, renovation, building specifications, contracts and records.

  25. strong RN-445W51

    BSI (British Standards Institution)

    The accessibility code of practice that Approved Document M sits alongside. Paywalled, so only the catalogue page is public; it confirms BS 8300-2:2018, published 31 January 2018, status Current, and that it is part 2 of a two-part standard, with BS 8300-1:2018 (also published 31 January 2018, also Current) covering the external environment including parking, setting-down points, access routes and approaches to entrances. Part 2 covers external features affecting external access routes, and building interiors including entrances, reception facilities, horizontal and vertical movement and building facilities. Crucially for a home renovation note, the catalogue page states plainly that BS 8300-2 does NOT apply to individual dwellings; its residential scope is nursing, residential and care homes, student accommodation and the COMMON PARTS of blocks of flats. It also confirms the recommendations apply largely to new buildings but can be used to assess and improve existing ones, and that the extent to which they apply to listed and historic buildings is decided case by case.

  26. strong RN-VKPEGH

    BSI (British Standards Institution)

    STATUS: CURRENT (marked Under Review). BS EN 12150-1:2015+A1:2019 was published 31 May 2019 and supersedes BS EN 12150-1:2015, which had itself replaced BS EN 12150-1:2000. It establishes tolerances, flatness, edgework, fragmentation and the physical and mechanical characteristics of monolithic flat thermally toughened soda lime silicate safety glass for use in buildings. Curved toughened glass is described in Annex A but is not part of the standard, and glass built into laminated or insulating glass units, or coated after toughening, falls under the relevant assembly product standard instead. Part 2 (BS EN 12150-2) covers evaluation of conformity. The catalogue page confirms number, title, date, status and scope; the test detail is paywalled.

  27. strong RN-0R0Q22

    BSI (British Standards Institution)

    STATUS: WITHDRAWN on 15 December 2021. BS EN 12320:2012 was published 31 October 2012 and specified performance and other requirements for the strength, security, durability and corrosion resistance of mechanical padlocks and padlock fittings for buildings and general use. Its classification is the part a note actually needs: one category of use, two durability categories, six corrosion resistance categories and six security grades, the grades set by performance tests simulating attack, with a limited amount of manual attack testing included because machine testing alone cannot replicate every known attack method. Because it is withdrawn, a note recommending a CEN grade 4 or grade 6 padlock to BS EN 12320:2012 for a shed or bike store is quoting a withdrawn edition and should cite the current one. Catalogue page confirms number, title, publication date, withdrawal date and scope but does not name the replacement.

  28. strong RN-TPW4A7

    BSI (British Standards Institution)

    STATUS: WITHDRAWN on 18 December 2024. BS EN 12978:2003+A1:2009 was published 5 June 2003 and specified requirements and test methods for the safety devices that detect a person near an electrically powered door, gate or barrier in commercial, industrial, residential and public settings, applying both to standalone protective devices and to those integrated into a power operated installation, and to rolling shutters and grilles used as personnel access. It defines the sensitive protective device as one that gives a change in the output signal switching device to protect a person at risk during normal operation. Because it is withdrawn, a note stating that an automated driveway gate must have safety edges and photocells to BS EN 12978 should be checked: the gate and door safety family now sits with BS EN 12453 (safety in use of power operated doors) and BS EN 13241, and the withdrawal is recent enough that installers still quote the old number. Catalogue page confirms number, title, publication date, withdrawal date and scope but does not name the replacement.

  29. strong RN-UU3LKW

    BSI (British Standards Institution)

    STATUS: CURRENT. BS EN 13126-1:2022 was published 31 March 2022 and supersedes BS EN 13126-1:2011, which is withdrawn, so a note citing the 2011 part is citing a withdrawn edition. It gives the requirements and test methods common to all types of hardware for windows and door height windows, covering strength, durability, corrosion resistance and safety, and it applies whatever the window frame material. It excludes fusible links, pneumatic and hydraulic operating mechanisms, single axis hinges (BS EN 1935), sliding door hardware (BS EN 1527) and door and window bolts (BS EN 12051). It is part one of a large series whose other parts cover specific hardware: -5 opening restrictors, -6 stay hinges, -8 tilt and turn handles, -13 sash balances, -16 lift and slide, -17 tilt and slide. Catalogue page confirms number, title, date, status, supersession and scope.

  30. strong RN-QWQAQG

    BSI (British Standards Institution)

    STATUS: CURRENT. BS EN 13126-5:2011+A1:2014 (base edition published 31 December 2011) specifies the requirements and test methods for the durability, strength, security and function of devices that restrict the opening of windows and door height windows, applying to restrictors on tilt and turn, pivot, casement and top hung windows. The classification is the useful part for a note: it separates SAFETY limiting restrictors from CHILD SAFETY limiting restrictors, with distinct requirements aimed at reducing the risk of accidental falls, which is what a note should cite when it says a window above ground floor level needs a child resistant restrictor rather than any restrictor. It applies only where the restriction falls within the specification in Annex A, E or G of EN 1191:2012 for the manufacturer's intended use. Catalogue page confirms number, title, date, status, the two restrictor categories and scope.

  31. strong RN-OEMEFD

    BSI (British Standards Institution)

    STATUS: CURRENT (marked Under Review). BS EN 14179-1:2016 was published 31 August 2016 and supersedes BS EN 14179-1:2005, which is withdrawn. It specifies the heat soak process system plus the tolerances, flatness, edgework, fragmentation and physical and mechanical characteristics of monolithic flat heat soaked thermally toughened soda lime silicate safety glass for buildings. Its purpose is the point a note should make: ordinary toughened glass to BS EN 12150-1 carries a residual risk of spontaneous breakage from nickel sulphide inclusions, and the heat soak process to BS EN 14179-1 is what reduces that risk, which is why heat soaked glass is specified for overhead glazing, balustrades and large frameless panes. Curved heat soaked glass is excluded. Catalogue page confirms number, title, date, status, supersession and scope; the process detail is paywalled.

  32. strong RN-GIC2HB

    BSI (British Standards Institution)

    STATUS: CURRENT (marked Under Review). BS EN 14449:2005 was published 10 February 2006, is identical to EN 14449:2005, ISBN 0 580 46084 3, ICS 81.040.20, committee B/520. It specifies the evaluation of conformity and the factory production control for laminated glass and laminated safety glass used in buildings, including requirements that may be subject to regulation, and it notes that glass products incorporating electrical components may also fall under other directives such as the Low Voltage Directive. It is the conformity companion to the BS EN ISO 12543 series, which sets the product requirements: a note should cite BS EN ISO 12543-2 for what laminated safety glass must achieve and BS EN 14449 for how a manufacturer demonstrates and marks conformity. Catalogue page confirms number, title, date, status, ISBN, committee and scope.

  33. strong RN-PB0KJ4

    BSI (British Standards Institution)

    STATUS: CURRENT (marked Under Review). BS EN 204:2016 was published 31 August 2016 and supersedes BS EN 204:2001. It classifies thermoplastic resin based wood adhesives for non structural use into four durability classes, D1 to D4, by the strength of the bond line under specified test conditions, and it applies to adhesives for bonding furniture and interior structures, panelling, doors, windows and stairs made of wood or wood based products. The class is the practical point for a note: D1 is dry interior use only, D2 occasional short term dampness, D3 frequent dampness or exterior sheltered use, D4 frequent severe exposure. It does not cover temperature resistance of the bond line, and it is not a structural adhesive standard (that is BS EN 301 and BS EN 15425). The 2016 revision removed the thick bond line test references and moved assessment to 20 test pieces. Catalogue page confirms number, title, date, status, the D1 to D4 classes and scope.

  34. strong RN-05KG4M

    BSI Group

    What the Kitemark actually certifies, which matters because it is often confused with CE or UKCA marking and with BSI standards themselves. States that Kitemark certification confirms a product or service's claim has been independently and repeatedly tested by experts, so it is third-party certification of continued conformity rather than a manufacturer's own declaration. Records that the mark was originally known as the British Standard Mark and was first registered as a trademark in June 1903, giving it more than 120 years of use. Cites BSI's own consumer research that the Kitemark is recognised by 67 per cent of UK consumers, and that 70 per cent are more confident in products carrying it than in products that do not. Certification spans products, services and processes, including building information modelling and inclusive service certification, and BSI publishes a searchable Kitemark directory and a Verify a Certificate service for checking a specific certificate.

  35. strong RN-LU9GOL

    BSI Knowledge

    Published 29 February 2016 and current. The specification for aluminium alloy windows and external pedestrian doorsets, thermally or non-thermally improved, factory fabricated and installed vertically into the external face of a building. It covers hinged windows (side, top and bottom hung and tilt variants), projecting, pivoted, horizontal and vertical sliding, fixed light and louvred windows, and single and double leaf hinged and pivoted, sliding and sliding-folding doorsets with side lights and top lights. Requirements cover constituent materials, glazing, finishes, weather resistance, thermal breaks, durability, conformity evaluation and recycling. Frame members are limited to 3 m for windows and 3.5 m for door leaves, which is the reason very wide aluminium bifold or slider leaves are outside the standard specification and priced as specials.

  36. strong RN-7PAEXM

    BSI Knowledge

    Published 1 January 2009 and current. This is the national application document for BS EN 14351, the standard that tells a UK specifier which of the European performance classes actually matter here. It sets performance requirements for manually operated windows and interior and exterior pedestrian doorsets in the finished state, covering operation and strength characteristics, and it absorbed the tests previously required by PAS 23-1 for entrance doorsets with some changes to the acceptable thresholds. Cite it when a note needs to explain why a UK window quote lists classes for operating forces, mechanical strength and repeated opening and closing cycles rather than raw European test numbers.

  37. strong RN-DZS1P4

    BSI Knowledge

    Published 31 December 2012 and current. The British Standard a timber window or door should be made to. It specifies the design, construction and performance of fully finished and factory glazed timber windows and external pedestrian doorsets, covering eight window types (hinged, projecting, pivoted, sliding, fixed light, casement, parallel opening and French casement) and five doorset types, for vertical installation within 15 degrees of the external face. Products may carry opaque or non-opaque finishes, or be designed to support an externally fixed covering of another material. Frame members must not exceed 3 m. It does not apply to windows or doorsets supplied as kits for site assembly, to composite doorsets as defined in BS 8529:2010, or to curtain walling spanning structural floor members, although it does cover predominantly timber stile and rail doorsets with replaceable composite panels. Pair with BS 4873 for aluminium and BS 7412 for uPVC when comparing the three frame materials.

  38. strong RN-OYN1PR

    BSI Knowledge

    Published 30 April 2024 and current, superseding BS 7412:2007. The UK specification for windows and glazed doorsets made from PVC-U extruded hollow profiles, factory fabricated and installed vertically in the external face of a building, with no frame member exceeding 3 m. It covers design, fabrication and performance including fire, impact resistance, structural integrity, ventilation, energy efficiency, security and accessibility. The 2024 revision widened the standard beyond fusion welded corner joints alone to cover partially welded and mechanically jointed corners, added requirements for thermal inserts, and removed the references to infill panels. This is the standard to cite for what makes a uPVC window a properly made one, alongside BS 644 for timber and BS 4873 for aluminium.

  39. strong RN-RHHJQ8

    BSI Knowledge

    Published 1 October 2004 and still current. This is the standard the Scottish handbook and English guidance both point to for cleaning windows safely and for restrictors. It gives recommendations on designing, constructing, operating and maintaining windows, including door height windows and roof windows, for the safety of occupants and passers-by, covering safe opening characteristics, the arrangement of window controls, safety restrictors, reach capabilities of the UK adult population (Annex A) and design for safe cleaning and maintenance of external and internal glazing at height, with Clause 8 on cleaning from inside and Annex C3 on mounted window access systems. Guidance on rooflights is excluded. Cite this in a note on window cleaning or on restrictors above ground floor.

  40. strong RN-LIZ0DZ

    BSI Knowledge

    Published 31 December 2015 and current, superseding BS 8213-4:2007. This is the installation code of practice a competent window fitter should be working to. It gives recommendations for surveying and installing non-loadbearing windows and external doorsets of any material, set vertically within 15 degrees into the external face of a building, in both new build and replacement work, covering site survey, fixing positions and methods, sealing and sealants, glazing and general good building practice for satisfactory installation, with material-specific guidance for wood, aluminium and plastics. It excludes loadbearing windows, roof windows and fire door assemblies. Cite this for what a survey before a replacement window order should establish and for why fixings and perimeter sealing, not just the frame, decide whether a window performs.