Heating, Plumbing & Electrics
255 sources in the library on heating, plumbing & electrics. 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 5 of 7.
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NIE Networks
Splits an electricity alteration in Northern Ireland into jobs NIE Networks does and jobs the customer's own electrician must do. NIE Networks moves poles, stays, mini-pillar cabinets, manhole chambers, and underground or overhead cables, and relocates the meter itself. The customer or their electrician must install the new cubicle, the backboard, the incoming hockey stick duct, and the meter tails into the premises. NIE Networks will not replace a meter backboard or a meter box (cubicle): the electrician does that, and NIE Networks temporarily turns off the power to allow it, which is built into the design so a separate temporary disconnection application is not needed. Process: apply online with a registered account, then a quotation pack sets out costs and responsibilities, and the customer has 90 days to accept, sign the offer documents and pay. Customer-side preparation such as trench excavation or installing the new meter box must be finished first, and if the site is not ready the start date is delayed.
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Northern Gas Networks
The three reconnection options after a meter move, which decide whether you also need to book your own Gas Safe engineer. Full reconnection: NGN disconnects the meter, moves it and reconnects internal pipework and appliances, available only where no more than 2 metres of internal (copper outlet) pipework is required, and a representative may visit first to confirm. Partial reconnection: NGN moves the meter but does not reconnect internal pipework, which applies where more than 2 metres of internal pipework is needed, and the customer must arrange a Gas Safe registered engineer. No reconnection: NGN moves neither meter nor connections, which applies when changing to or from a semi-concealed meter box or when the customer is arranging reconnection separately; in that case an Ofgem Approved Meter Installer (OAMI) is needed to reconnect the meter to the service pipe. Customers can opt to do their own excavations or install the meter boxes, but that must be done before the planned start date. Connections Team 0800 040 7766 option 2. Annual gas load is calculated as hourly gas load x usage hours per day x usage days per week x usage weeks per year.
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Northern Gas Networks
The information the application form actually demands, which is what delays most gas alterations. The applicant must give the distance in metres between the existing and proposed positions, always rounded up to the nearest metre, and an annual gas load estimate calculated as hourly load times hours used per week times number of weeks in the year. The reconnection choice must be made on the form: full reconnection where no more than 2 metres of internal pipework is needed, with NGN disconnecting, moving and reconnecting the meter, pipework and appliances, subject to a possible site visit to confirm; partial reconnection where more than 2 metres of internal pipework is needed, with the customer arranging a Gas Safe registered engineer to reconnect; or no reconnection, which applies when changing to or from a semi-concealed meter box or when arranging reconnection separately, in which case an Ofgem-Approved Meter Installer must be engaged to reconnect the meter to the service pipe and internal pipework, and the gas supplier contacted if the meter itself is changing.
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Northern Gas Networks
Timescales and the easement trap. After acceptance and payment NGN has up to 20 working days to review the works and contact the customer with a proposed start date. Reinstatement of most surfaces takes up to 5 working days after the pipe work finishes. Where a gas main or pipeline must be laid, a legal easement has to be granted first: the easement strip carries restrictions, and specifically buildings cannot be placed over the strip; the process runs between NGN's solicitors and the customer's, the easement is registrable at the Land Registry, and the legal process takes on average 4 to 8 weeks. Moving the position of a meter or the service pipe is not DIY work; the Connections team handles quotation, design, alteration and reconnection, and a separate advice route exists for diverting a gas main.
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Northern Ireland Water
NORTHERN IRELAND. NI Water requires a Building Over or Near a Public Sewer Agreement, and its conditions go beyond the England build-over agreement. Drawings must be at a scale of 1:100 or greater and colour code existing public sewers, foul in red, storm in green and combined in magenta, with private drainage in black, plus longitudinal sections showing pipe size, gradient, material, manholes and invert and cover levels to Ordnance Datum Belfast. Where building over the sewer, ONLY SUSPENDED CONCRETE FLOORS are permissible if a concrete floor is proposed. A method statement is required whether or not the pipe is being replaced, and NI Water may require a Structural Engineer's Report at the developer's expense. Critically, where there is any loan or mortgage on the property the LENDER MUST SIGN the agreement before it is returned, and the applicant must hold and provide current home insurance including buildings cover. No work may start until the agreement is authorised and returned. Applications are triaged before payment is requested, and third and subsequent applications on the same sewer leg attract a discount under the Scheme of Charges.
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Northern Powergrid
When an extension or a new low carbon technology forces a supply change rather than just new circuits. The named triggers for increasing or decreasing capacity or changing the size of the main fuse are adding new rooms, extensions, electric vehicle chargers, heat pumps, or additional appliances. Applications need a site location plan, submitted through the online mapping tool or as an Ordnance Survey or Land Registry plan. Three parties are always involved in moving an electrical service: Northern Powergrid moves the service cable and mains fuse, the electricity supplier moves the meter and must be booked to attend on the day of the works, and a qualified electrician handles anything on the customer's own internal wiring.
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Northern Powergrid
Northern Powergrid's published indicative connection costs and timescales, all excluding VAT. Service alteration (moving an existing supply): quotation guaranteed standard 5 days, actual average 4 days, prices from £661 single phase, average £1,000 single phase underground, average 6 weeks to connect after payment. One standard (single domestic) connection: quotation standard 5 days, average 3 days, from £1,300, average £2,500 where no LV mains cable is required, 6 weeks to connect after payment. Up to four standard connections: quotation standard 15 days, average 6 days, from £6,800, average £7,900, 10 weeks. Over four standard connections (based on six premises): quotation standard 25 days, average 27 days, from £4,100, average £14,100, 23 weeks. Unmetered connections: quotation standard 25 days, average 9 days, from £700, average £8,400, 12 weeks. Typical small business connection: from £1,900 for a single premises, average £18,100, 24 weeks. Typical large business connection: from £2,700, average £78,500, 50 weeks. EHV connections: price on application, roughly 2 years to connect.
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Northern Powergrid
Sets out exactly who owns what at the incoming supply, which is the single most misunderstood point in a rewire or extension. Northern Powergrid owns and is responsible for the service cable, the cut-out (service fuse unit) and the meter board; the energy supplier owns the meter, the timeswitch and the double-insulated cables between cut-out and meter; the homeowner owns the tails from meter to fusebox, the switchfuse and the consumer unit. Northern Powergrid will expose and cut the service cable, live joint it, reposition the cut-out, test and energise, and recover redundant equipment, but explicitly will not alter your wiring or move the meter, which must be arranged separately with the electricity supplier. The customer must install the outside meter cabinet, service duct, hockey stick and tile tape before the crew arrives. Technical requirements: ducts to ENATS 12-24, black and embossed 'Electric Cable Duct'; meter cabinets to ENATS 12-23; service ducts for 230V single conductors 38mm (125mm for three phase), smooth outer wall, uPVC or HDPE; 150mm wide tile tape laid 75mm above service ducting or 100mm above mains ducting to satisfy the Electricity Safety, Quality and Continuity Regulations 2002; duct laid so the top is 450mm (18 inches) below pathways and 600mm (24 inches) under driveways. Wrong ducting or missing tile tape means the crew will refuse to lay the cable and the connection is delayed. Freephone 0800 011 3332.
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Northern Powergrid
The split of duties when a supply has to move for an extension or a new kitchen wall. Northern Powergrid moves the service cable and the mains fuse; the electricity supplier moves the meter, and the customer must arrange for the supplier to attend on the day the network work is done; a qualified electrician must do any work on the customer's own internal wiring. Cost varies with the service required, the complexity of the work, and how and where the connection is made, and the company points customers to its published guide prices and timescales rather than quoting a flat rate.
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Northumbrian Water
The ownership map that decides who pays for a drainage problem. The homeowner owns private drains within the property boundary, including all internal plumbing, gutters, downpipes, gullies, soil stacks, manhole covers and underground pipework serving only that property; private sewage treatment works and septic tanks; shared drains serving flats, such as Tyneside flats or a block within a single boundary, which stay in the owners' shared ownership; and surface water sewers that do not connect to a public sewer, for example draining to a watercourse or soakaway. Northumbrian Water owns all public sewers, usually under roads and footpaths, and most shared sewers where drains from several neighbouring properties join before reaching the public sewer. Since 1 October 2011, under the Private Sewer Transfer Regulations 2011, most existing shared private sewers and lateral drains outside property boundaries transferred to the water company, so a pipe shared with neighbours or running beyond the boundary is often theirs; properties built after 2011 generally stay with the homeowner or developer. The local authority owns highway gullies and drains, the grated openings at the road edge. Reporting line 0345 717 1100.
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Openreach
The commercial rules for getting a new or altered property connected. Openreach installs Full Fibre free of charge for sites with 20 or more premises, and asks for a contribution on sites of 1 to 19 premises, which is the band a self-build or a small conversion falls into. Full Fibre is the default for all new build sites: any plot connected to copper infrastructure instead is charged a flat rate of £2,500 per plot, and since 15 November 2021 Openreach New Sites no longer offers additional copper purely for service lines. Commercial-only sites of 20 or more units also get Full Fibre free. Building regulations now mandate gigabit-ready telecoms infrastructure during construction of new homes, in force in England from 26 December 2022, Scotland from 1 January 2025 and Wales from 1 July 2025. Options beyond FTTP include Ethernet Access Direct via the Network in Advance offering.
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Openreach
The lead time and the money. Register the site at least eight weeks ahead of the site start date, and at least six months before broadband is wanted at the first property. Residential developments with more than 19 plots pay nothing: Openreach installs Fibre to the Premises free. Residential developments of 1 to 19 plots carry a maximum developer contribution for mandatory FTTP of £2,000 per plot; where the true cost exceeds £2,000 per plot Openreach sets out the excess and offers the option to pay it. A Service on Demand payment applies to sites with more than 11 plots. Registration needs the number and type of plots (houses or flats), whether the site is phased or part of a larger development, unique plot numbers, floor plans for every floor including plot numbers and building entrances, a schedule of accommodation, and for 20 or more plots the order of build. Building Regulations 2010 changes require gigabit capable infrastructure in all new homes in England.
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Openreach
The installation visit, useful when planning where sockets and services go in a refurbishment. A Full Fibre install usually takes around four hours. The engineer phones ahead, agrees a route for the fibre cable and where a hole will be drilled to bring it in, and may drill a couple of extra holes outside for ladder safety, which are then repaired. A permission to work form must be signed by the customer before any drilling or digging. The fibre is run from a nearby pole or from underground to a small junction box on an external wall, then a cable runs from that junction box to the Optical Network Terminal, a white wall-mounted box inside the property. The ONT and the router must be close together and near a double socket, which is the single planning decision a homeowner should make before first fix. More complex jobs may need a return visit. Anyone relying on the phone line for an intruder alarm, health pendant or wrist alarm should tell their service provider before the copper switchover.
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Scottish and Southern Electricity Networks (SSEN)
The quotation is free, carries no obligation and is valid for 90 days; if it lapses a new quotation can be requested, which restarts another 90 days. After payment a Project Manager makes contact within 5 working days. Work starts once payment is received and all required legal land rights and council permits are approved: SSEN aims to begin within 4 weeks where nothing else is needed, but where legal land rights or council permits are required works typically start within an average of 6 to 8 weeks. Excavations outside the property boundary are included in the quotation, but if more digging proves necessary on site the extra cost is notified then. SSEN will only move the electricity service cable to the desired location; the meter itself remains the energy supplier's responsibility.
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Scottish and Southern Electricity Networks (SSEN)
SSEN's published service alteration prices, all excluding VAT and excluding extras such as digging on the customer's land and traffic management. Scotland: basic overhead £435.18, basic underground £293.45, extended overhead £505.49, extended underground £505.49. England excluding London: basic overhead £380.13, basic underground £256.33, extended overhead £458.29, extended underground £458.37. London (priced higher because working costs in London differ): basic overhead £398.40, basic underground £268.51, extended overhead £477.65, extended underground £412.71. A basic alteration reuses the cable already in place; an extended alteration is needed when the new meter position requires additional cable to be bought and added. SSEN moves the service cable and main fuse only; the energy supplier moves the meter and must be booked for the same day so power is back on, and an electrician is needed for the consumer unit. A personalised quote is issued within 5 to 15 days. Appointing a private groundworker for the excavation is often more cost effective and SSEN will reduce the quotation scope accordingly.
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Scottish Water
SCOTLAND. Plumbing and water fittings in Scotland are governed by the Water Byelaws enforced by Scottish Water, not by the Water Supply (Water Fittings) Regulations 1999 that apply in England and Wales, so an England-based note on notifiable plumbing work, backflow protection or fittings approval names the wrong instrument for a Scottish job. The page is Scottish Water's entry point for the Water Byelaws that protect water quality and for the separate trade effluent consent system covering waste water discharged to the public sewer by a business.
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Scottish Water
Scottish Water is a statutory consultee on planning applications: when outline or full planning is submitted the local authority passes the application to Scottish Water, which along with other public bodies may be asked to comment within 21 days. It advises designing both the water supply and public sewer connections as early in the process as possible. Where a proposal affects existing infrastructure, Scottish Water may recommend a slight change to the plans to avoid building over its pipework, or require the pipework to be diverted so it can continue to access and maintain the network. 24 hour reporting line 0800 0778 778.
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Scottish Water
SCOTLAND. Scottish Water is a single public corporation covering all of Scotland, so there is no regional water and sewerage company to approach as in England, and no Thames Water or Severn Trent style build-over agreement process. The page sets out the Single House Connections route for anyone constructing a new domestic property, renovating an existing property, needing a temporary connection or a building water supply, or converting from a private water supply to the public water or sewer network, and stresses planning utility connections at the earliest stage. The process runs in four published stages, Preparing, Applying, Constructing and Completing, supported by a downloadable Single House Connections Guidance document that also covers converting from a private to a public water supply. Contact is 0800 0778 778, 24 hours a day.
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SGN (Scotland and Southern Gas Networks)
SGN publishes standard alteration prices by region, all plus VAT, and lets the customer cut the cost by digging the trench themselves. Scotland: £795 if SGN digs the trenches, £504 if you dig them; refit the meter £103; refit the meter and reconnect the meter outlet pipework £207; lead time normally 6 to 12 weeks after quote acceptance. Southern England inside the M25: £1,007 if SGN digs, £710 if you dig; refit meter £110; refit meter and reconnect outlet pipework £222; lead time 6 to 12 weeks. Southern England outside the M25: £859 if SGN digs, £598 if you dig; refit meter £110; refit and reconnect £222; lead time 10 to 12 weeks. Alterations needing more than 5 metres of pipework are charged extra per metre up to a maximum of 20 metres; beyond 20 metres, or for a flat on the second floor or above, no instant quote is issued and the case is reviewed manually. Excavations in road or pavement are reinstated by SGN's reinstatement team within 5 working days of the job. The land must be owned by the applicant or written landowner permission held, and any planning permission or local authority permit must already be in place.
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SGN (Scotland and Southern Gas Networks)
Two points a homeowner rarely anticipates. First, moving a gas meter can break a smart meter's wireless connectivity: SGN will alter the supply pipe and move the meter, but if connectivity is lost the energy supplier may need to visit to re-establish it and that visit may be chargeable, so the supplier should be told about the plans before the alteration is booked. Second, SGN runs a Help to Heat scheme offering free or discounted new connections to households struggling to pay energy bills and keep their home warm, with an online eligibility check. The same route covers new connections, alterations and disconnections for household and business customers, all quotable online, and the page explains the meter point reference number (MPRN) used to identify a gas supply.
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Society for the Protection of Ancient Buildings
Traditional lead plumbing jointing and pipe fabrication. Gives the solder table by tin to lead ratio and melting point: blowpipe solder 1:2 melting at 171.1 degrees C for delicate work, and tinman's solder 1:1 at 187.7 degrees C for copper bit jointing and tinning. Pipe working figures include bending pipe up to 50mm diameter with a metal bending spring, forming collars on soil and vent pipes up to 75mm, and techniques applied to lead pipe of 75mm to 150mm, with sand used as a former inside the pipe on larger sizes up to 150mm. Also covers cleaning a soiled area before soldering, using a wire drawn back and forth, and blowlamp work.
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SP Energy Networks
Confirms a domestic EV charge point can be connected, but that an ENA application form must be completed through the industry Connecting to the Networks portal before or at installation; once SP Energy Networks receives that notification it contacts the customer to discuss requirements. The company publishes a low carbon technology customer leaflet in English and Welsh covering the same journey. Practical point for a homeowner: the notification is made through the national ENA route rather than direct to the network operator, and the installer normally submits it.
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SP Energy Networks
The notification route for a domestic heat pump, which is a connect-then-notify process rather than an application. Start by asking an accredited heat pump installer to confirm the electricity supply is adequate; provided the internal wiring, the supply and the cut-out are all satisfactory, the heat pump can simply be installed. After installation the customer, or the installer on their behalf, notifies SP Energy Networks by completing a form and emailing it to lctapplicationnorth@spenergynetworks.co.uk for Central and Southern Scotland or lctapplicationsouth@spenergynetworks.co.uk for Merseyside, Cheshire, North Wales and North Shropshire. SP Energy Networks needs the notification to manage network demand and keep supplies secure. Context given: the UK Government target of up to 600,000 heat pumps installed per year by 2028 as part of Net Zero by 2050, with the Scottish Government targeting 2045. Three types are covered, air source, ground source and hybrid.
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SP Energy Networks
The two routes to a 100 Amp main fuse, which is the practical block on adding an EV charger or heat pump to an older 60A or 80A supply. If the 100A cut-out is needed to enable an electric vehicle or heat pump connection, the customer must submit an ENA application form through the industry Connecting to the Networks service. If it is needed for anything other than an EV or heat pump, SP Energy Networks will carry out a survey at the property free of charge to identify what is required, arranged by online form, phone or email. One number covers both licence areas, Central and Southern Scotland and Merseyside, Cheshire, North Wales and North Shropshire: 0330 10 10 444, Monday to Friday 08:30 to 16:30.
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Thames Water
Thames Water's homeowner build-over process, with its published 2026 fee scale and timescales. Three classes by sewer internal diameter: Class 1 £130 (175mm or less), Class 2 £490 (176mm to 350mm), Class 3 £585 (over 350mm) plus additional legal costs starting at £1,000. Class 1 and Class 2 agreements are usually issued within 21 days of receipt of all required information; Class 3 involves legal contracts and the full process can take more than 3 to 6 months. Class 2 fees include pre- and post-construction CCTV surveys; Class 3 adds two surveys by an approved contractor plus impact assessments. Applicants on disability benefit get a £130 discount on proof of entitlement (DWP letter or Blue Badge). Retrospective applications are accepted but need a CCTV or on-site survey to prove no damage, and may be refused if the pipework was not protected to specification. Self-service sewer diversion is offered where the internal diameter is 150mm or less, with a refundable £2,000 cash deposit returned after satisfactory post-construction inspection. Every application needs a location plan, an existing and proposed drainage layout showing manholes and flow direction, and a sectional drawing of the foundations against the sewer with invert levels; piling foundations need a piling method statement and raft foundations need structural calculations.
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Thames Water
What drives the price of a new water connection: the size of the pipe being laid, which is 25mm or 32mm for a house though commercial properties need larger, and the distance from the property boundary to the nearest water main, which is estimated from a site plan bought from the local authority or Thames Water's property searches team. Charges cover laying new pipework from the main to the boundary only, are updated on 1 April each year, and are split into a connection charge and a pipe-laying charge. Ofwat publishes the median UK connection charge as a benchmark, though costs in and around London run higher. Barrier pipe may be specified where contamination is possible, and the charging tables carry separate barrier and non-barrier sections; typical locations named are near garage blocks, petrol stations, cemeteries, railways and industrial sites. For a 25mm external (20mm internal) connection a manifold connection may be cheaper. Lead pipework belonging to Thames Water is replaced free of charge with the same diameter up to 25mm. Signs of an unsuspected shared supply with a neighbour: the stopcock is in a communal area, or flow drops at peak times such as 7 to 8am or children's bedtime.
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Thames Water
Lead in water pipes has been banned since the 1970s, so a home built after 1970, or one fully re-piped since 1970, is unlikely to have lead. The mains themselves are not lead and there is virtually no lead in water leaving the treatment works; the risk is the supply pipe to the property or internal plumbing. Identification test for a homeowner: unpainted lead pipe is dull grey, joints are rounded and swollen where two pipes meet, a scratch reveals shiny silver metal, and tapping gives a dull thud rather than the clear ring of copper or iron. Look at the pipe feeding the internal stop valve, typically under the kitchen sink, behind kitchen units or in the understairs cupboard. Thames Water doses most of its water with a small amount of phosphate, which coats the pipe like limescale and lowers dissolved lead; it says that dose is around 500 times lower than the phosphate level in milk. Homeowners are warned not to disturb lead pipework because that raises lead content. Where samples show elevated lead the company will only replace its own communications pipe; the customer-side pipe is the owner's, though a lead replacement scheme is offered. Sampling line 0800 316 9800.
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Thames Water
The step-by-step clock and the inspection rules for a new water supply. Thames Water aims to issue a quote within 28 days of receiving the completed application form and fees; the quote covers only its work between the property boundary and the water main, with everything on private land the applicant's responsibility, and the charge is cost-recovery. Allow 5 working days for payment to be processed and another 5 working days for the company to process the pipework notification. Any plumber may lay the supply pipe, but Thames Water recommends a WaterSafe approved one, because if the plumber is not WaterSafe approved a water regulations inspection must be booked (0800 009 3921) and the company aims to visit within 7 working days. A chlorination procedure is required for pipes 63mm or over, which does not apply to a typical house, since a home usually needs 25mm or 32mm. For a genuinely new supply, billing account setup follows within 60 days. A 2026/27 online calculator gives a preliminary estimate, with the caveat it can take up to 28 days to receive a real quote.
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Thames Water
Applying for a water meter is free. Thames Water aims to fit the meter outside the property within 50 days of the request; if that is not possible it looks at fitting inside, so the internal stop valve must be accessible for the visit. Installation may be refused where there is limited space, unsuitable pipework, or the property is on a shared supply, all three of which are common in older terraces and converted flats and are worth checking before planning a bathroom or kitchen around a meter position. Eligibility extends to the bill payer and to tenants with a tenancy of six months or more. A metered bill combines measured water and wastewater volumes with fixed charges for providing the services.
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UK Power Networks
Explains why a short move is not a cheap move: the price is effectively distance-independent at the small end, and even moving the supply 10cm inside the property still attracts a minimum charge, because the service cable running under or over the house has to be dug up and physically moved rather than pulled through. A qualified electrician is qualified to move the fuse box and to work on internal wiring, but is not trained or permitted to work on the electricity supply or the meter; the incoming cable from the road can only be moved by the DNO's own engineers. UK Power Networks offers an online cost indicator that takes about 5 minutes rather than publishing a flat price list.
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UK Power Networks
Separates the four things homeowners confuse. The electricity supply (the incoming service cable and cut-out) is moved by the DNO, and the stated common triggers are extending or renovating, building a conservatory, or moving it somewhere more accessible. An overhead power line into the property is moved by the DNO, typically because the cable is in the way of an extension, because fascia, cladding or windows are being replaced, because the pole is in the way and the customer wants the run put underground, or purely for appearance. The electricity meter is legally owned by the electricity supplier and only the supplier can move it; UK Power Networks can move the electricity board, but the supplier must still return to reconnect the meter. The consumer unit or fuse box is neither the DNO's nor the supplier's work: only a qualified electrician can advise and carry it out, although the supplier may need to attend to turn the electricity off.
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UK Power Networks
The six-step sequence for a domestic supply move, and the two things that hold jobs up. UK Power Networks calls back to discuss the project and may arrange a site survey; a surveyor visits and can meet the homeowner, builder or electrician; a detailed price follows the visit and full payment is required before the work is booked. Before the crew arrives the customer must have the trench ready if they chose to dig it themselves, and must have the meter box already installed in the position the meter is moving to. If UK Power Networks is doing the digging it may take a few days before the cable is moved. Critically, the electricity supplier must attend on the same day to refit the meter, otherwise the power cannot be restored, so that appointment has to be booked by the customer in parallel.
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United Utilities
The government banned lead in water pipes in 1970, so a property built after 1970 will not have lead pipework; anything built before 1970 may still have a lead supply pipe underground and lead pipe inside. The greatest health risk is stated as being to children under six and pregnant women. Mains are not lead and water leaving the treatment works contains virtually no lead; the lead is picked up in the customer's own pipework or in the connecting pipe. Identification checks at the internal stop tap, usually behind kitchen cupboards or in a downstairs toilet: unpainted lead pipe is a dull grey; there is often a swollen joint next to the tap; tapping with a metal object gives a dull thud where other metals ring clearly. Explicit correction of a common myth: boiling the water does not help and will not remove lead. Do not knock or disturb lead pipes, which raises lead levels. The permanent fix is an application to United Utilities' Lead Replacement Scheme, after which replacement is done by a WaterSafe approved plumber.
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University of Salford, Energy House Labs
Carries several measured results from Energy House 2.0. Reversible heat pump cooling: research led by Professor Lubo Jankovic tested a heat pump with fan coils in one of the test houses, and when the temperature inside the chamber reached 32C the rooms stayed between 19C and a comfortable range, showing reversible heat pumps can address overheating in modern homes as well as heating them. Installation quality: Research Fellow Grant Henshaw's BBC Morning Live segment followed a homeowner whose air source heat pump, installed by an MCS-certified installer, was found to be undersized for the property, which is the failure mode the labs repeatedly identify. Heat3D building performance testing has been taken out of the laboratory and applied across 22 occupied homes, published in Buildings (MDPI). Other work covers monitoring to help social housing providers identify damp, mould and poor indoor environmental conditions.
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University of Salford, Energy House Labs
Cross-cutting findings from the Innovate UK funded Future Homes project, worth £3.54m in its initial phase plus a £1.4m extension, covering 52 product evaluations and business assists. Off-site timber frame systems demonstrated predictable fabric performance and reduced the performance gap. Heating system trials showed all the technologies tested can work, but stressed the critical importance of correct sizing, design, commissioning and continuous-heating regimes for low-temperature systems, which is the single most common failure mode in domestic heat pump installations. Indoor air quality studies revealed significant risks in airtight homes without active ventilation and concluded regulation needs to evolve. Smart home and customer-facing technology needs simplifying to be usable. Ongoing work covers assessing ventilation methods in homes with higher airtightness, emissions from building materials under future higher ambient temperatures, and ventilation system performance in hot outdoor conditions. Published studies from the programme include a comparison of SAP assumptions against measured U-value and airtightness in pre-1919 dwellings, and a study of the insulative effect of snow on flat roofs under extreme conditions.
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Wales and West Utilities
Altering a domestic gas connection starts at £1,000 plus VAT and typically takes 6 to 8 weeks from payment to completion, the same clock as a new connection; relocating a meter for a house or small business starts from the same £1,000 plus VAT baseline. The £1,000 plus VAT starting price also applies as a baseline for commercial premises and multi-unit sites, which are then quoted individually. Moving the meter outside is described as one of the most common reasons homeowners get in touch, usually to free internal space or make way for renovation, and feasibility depends on the property and its pipework. If a planned extension or renovation affects the existing service pipe, a pipe alteration is likely to be needed before work can safely proceed, and the company warns that damaging a gas pipe while digging is a criminal offence. Enquiries 0800 072 6814.
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Wales and West Utilities
A new gas connection for a house or small business starts from £3,912 plus VAT, with the exact price depending on the distance from the existing gas main and any groundworks needed, quoted per address through the online portal. Once payment is made a standard connection typically takes 6 to 8 weeks to complete; the company offers the earliest available date and flags where local traffic management or highway restrictions could extend it. The first step is a postcode check to confirm gas is available at the address at all, then a quote through the portal. Business connections or multiple homes are priced individually on 0800 072 6814. Useful as a benchmark against the alternative of an all-electric heating scheme, since the connection charge alone is often larger than homeowners assume.
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Wales and West Utilities
Wales and West Utilities aims to finish the work and have the customer on gas within 6 weeks of payment, but if a road closure is needed the job can take up to 90 days, and depending on workload the process can stretch to 12 weeks. After payment the company contacts the customer within twelve working days to arrange the work, and plans jobs first come first served. If the crew arrives on the agreed date and cannot work for reasons within the customer's control, the example given being scaffolding or skips blocking access, a charge of £40 plus VAT per visit applies.
- fair RN-ZKR28V
Yorkshire Water
Who is allowed to do which part of a water or drainage connection, which decides whether the job can go to a general builder. Work that must be done by a competent contractor includes laying a water supply pipe inside the property boundary, and laying new or replacement sewers or making new sewer connections in either private or public land. Work that can go either way includes new water mains and connections serving a development, which can be done by Yorkshire Water directly or by an accredited self-lay provider subject to acceptance, with adoption agreements governed by Ofwat's Codes for Adoption and Yorkshire Water taking ownership of new assets in the public highway on completion. For a single property or a small development, given as fewer than six properties, Yorkshire Water connects to the existing main. No connection may be made to the public water or sewer network without approval, and where the work crosses third-party land the affected landowner's consent is needed first. The statutory routes are named: Section 45 for water connections to the public main, Section 62 for permanent disconnection, Section 106 for sewer connections and Section 115 for highway drainage connections. Water connections enquiries wbu.service.centre@yorkshirewater.co.uk, 8am to 5pm Monday to Friday.
- supplier figure RN-G8HAWY
Aico
Manufacturer data for a gateway that collects data from radio interlinked alarms and reports it remotely, the device that turns a domestic alarm system into a monitored one for a landlord or managing agent. Product life is 10 years and warranty is 5 years. Normal operating and storage temperature range is -10C to 40C and weight is 550g. Data is encrypted in both directions in transmission using AES128. Installation is guided step by step through the SmartLINK app on Android and iOS. All alarms in the manufacturer's 3000 Series are compatible with the gateway.