Renovation
189 sources in the library on renovation, 40 on this page cited in a published note. 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 1 of 5.
- very strong RN-FBEBZ8 cited
BRE for the Department of Energy and Climate Change
BRE's 2014 report for DECC measured wall U-values in about 300 English homes and found solid walls averaged below the 2.1 W/m²K RdSAP default used in modelling.
- very strong RN-NQD61G cited
Department for Energy Security and Net Zero
A May 2026 research report published by DESNZ for the Committee on Fuel Poverty. It compares measured seasonal performance of UK heat pumps across monitoring datasets.
- very strong RN-DNUSE8 cited
Department of Finance (Northern Ireland)
Northern Ireland's equivalent of Approved Document L Volume 1. This edition came into effect on 30 June 2022 and gives guidance on regulations 39 to 47 of the Building Regulations (Northern Ireland) 2012, which set the requirements for conservation of fuel and power in dwellings, including the limiting U-values a replacement window or door must meet in Northern Ireland. It replaced the 2012 version, and the Department publishes an awareness briefing and FAQ setting out the differences. The full text is at https://www.finance-ni.gov.uk/sites/default/files/publications/dfp/TB%20Part%20F1%202022_On-Line%20Publication.pdf. Cite this rather than Approved Document L whenever a note gives a window U-value for a reader in Northern Ireland.
Cited in Industrial Style Windows: Cheaper Alternatives, 2026 Costs, Insulation: The Complete Guide.
- very strong RN-2PCYXZ cited
Drinking Water Inspectorate
The regulator's account of lead pipework, useful for any period-property or plumbing note. States that before 1970 lead pipework was commonly used to connect properties to the mains, that its use has since been banned, and that a home built before 1970 may have lead pipes while one built after 1970 is unlikely to. Gives a homeowner identification test at the internal stop tap: unpainted lead appears dull grey, often with a swollen joint next to the tap, and is soft enough that a gentle scrape with a coin shows shiny silver metal beneath, with disposable gloves worn and dust not inhaled; contrasts copper as bright, hard and dull brown, iron as dark, very hard and possibly rusty, and plastic as typically blue, or grey or black if older. Explains that lead dissolves while water stands in the pipe, with concentration depending on standing time, pipe condition, temperature (more dissolves in summer and autumn) and water hardness, since harder water forms a protective scale. Notes that water companies dose with orthophosphate where a risk exists, and that a less common cause is the illegal use of lead-based solder on copper pipe, lead solder remaining permitted only in closed central heating systems. Warns lead accumulates in the body, with infants including unborn babies and children most at risk of effects on mental development, and adults at risk of kidney, heart and circulatory harm.
Cited in Renovating a 1930s House.
- very strong RN-LRMV4V cited
Environment Agency
Environment Agency general binding rules for small sewage discharges in England; a septic tank discharging to a watercourse must be connected to sewer, replaced by a treatment plant or given a drainage field.
- very strong RN-6IVIWH cited
Environment Agency
GOV.UK guidance on hazardous waste in England. A consignment note must accompany hazardous waste, which includes asbestos, until it reaches its destination.
- very strong RN-CDLNT7 cited
Health and Safety Executive
The specific HSE information sheet behind the dust advice, with the numbers a note can quote. Names three types of construction dust: silica dust, also called respirable crystalline silica, from concrete, mortar and sandstone; wood dust from softwood, hardwood and wood-based products including MDF and plywood; and other general dust from materials with little or no silica, most commonly gypsum as in plasterboard, limestone, marble and dolomite. States that over 500 construction workers are believed to die from exposure to silica dust every year, and that the main dust-related diseases are lung cancer, silicosis, chronic obstructive pulmonary disease and asthma, most developing slowly though advanced silicosis and asthma can come on quickly. The legal framework is the Control of Substances Hazardous to Health Regulations 2002, and the three required steps are Assess, Control and Review. On damping down it corrects a common site habit: water needs enough supply at the right levels for the whole time the work is being done, and just wetting the material beforehand does not work. High dust levels come from high-energy tools such as cut-off saws, grinders and grit blasters.
Cited in How to Insulate a Loft (DIY), How to Insulate A Vaulted Ceiling In 5 Steps, How to Lay a Patio, How to Sand & Restore Floorboards and 4 more.
- very strong RN-T5ZCO5 cited
Health and Safety Executive
HSE's definition of which asbestos work must be done by an HSE-licensed contractor. Under the Control of Asbestos Regulations, work is licensable where exposure is not sporadic and of low intensity, where the risk assessment cannot clearly show the control limit will not be exceeded, where the work is on asbestos coating, or where it is on asbestos insulating board or asbestos insulation and the risk assessment does not show short duration work, defined as taking no more than 2 hours in any 7-day period with no person working more than 1 hour within that 2-hour period. Listed examples of licensable work include removing sprayed limpet coatings, any work that may disturb pipe lagging, any work involving loose fill insulation, work on asbestos millboard, cleaning significant quantities of loose or fine ACM debris, and non-short-duration work on AIB. A licence is needed to work as an asbestos contractor on someone else's premises or within your own premises using your own employees. This is the boundary that decides whether an asbestos quote is a licensed job or a much cheaper non-licensed one.
- very strong RN-Q6KO1F cited
Health and Safety Executive
HSE's page on notifiable non-licensed work (NNLW). It requires notification to the enforcing authority and gives large-scale steam or gel removal of textured coatings as an example.
- very strong RN-W6ISC0 cited
Health and Safety Executive
HSE's definition of the two asbestos survey types, which is the correction for notes that invent a third or call it an R&D survey as though that were the formal name. A survey aims to give accurate information on the location, amount and condition of asbestos-containing materials, assess damage or deterioration and whether remedial action is needed, provide the information to produce an asbestos register and an asbestos management plan, and identify hidden ACMs to be removed before refurbishment work or demolition. There are two types: a management survey, whose main aim is to let the dutyholder produce the register and management plan and manage ACMs during normal occupation and use, and a refurbishment or demolition survey, which is the one needed before invasive works. Both types are likely to require sampling.
Cited in Asbestos in the Home: Survey, Removal & Cost, Building Surveys: Level 1, 2 & 3 Explained & Cost, How Much Does It Cost to Renovate a House in 2026? (UK), Knocking Through & Removing Chimney Breasts and 1 more.
- very strong RN-L1K7IV cited
Health and Safety Executive
HSE's overview of the duty to manage asbestos. It applies to non-domestic premises and the common parts of multi-occupancy domestic premises, not to a private house.
- very strong RN-X9GZPJ cited
Historic England
Historic England technical advice on fibrous plaster ceilings. It settles that fibrous plaster is gypsum plaster reinforced with hessian, so the lime-only rule for run cornices does not apply to it.
Cited in Coving & Cornice: Types, Cost & Fitting, How to Repair Victorian Coving, Restoring Period Features.
- very strong RN-NM90UW cited
Historic England
Historic England's technical advice on traditional masonry: impermeable cement mortar keeps moisture in the masonry and drives salt damage, while weaker porous lime mortar lets walls dry.
Cited in How to Prevent Damp In Your Home, Reclaimed Materials: Buying & Using, Spalling Brick Repair Cost: 2026 UK Price Guide.
- very strong RN-7C30I2 cited
Historic England
Historic England's conservation research page on materials. It says NHL 2, 3.5 and 5 are classes set by 28-day compressive strength under BS EN 459-1, with wide, overlapping ranges.
Cited in Lime Plaster & Lime Mortar Explained.
- very strong RN-LSTIJW cited
Historic England
Historic England's homeowner advice on repairing or changing windows in older homes. It states that historic timber windows were usually made of durable timber and can last indefinitely if maintained.
Cited in Restoring Period Features, Window Styles: Casement, Sash, Tilt & Turn.
- very strong RN-Y1SE0K cited
Historic England
Historic England's homeowner advice on repairing walls of older homes. It warns that modern impervious materials such as cement-based fillings lock moisture into old walls and speed their decay.
Cited in Lime Plaster & Lime Mortar Explained, Repointing Brickwork: Cost & How, Spalling Brick Repair Cost: 2026 UK Price Guide.
- very strong RN-CRNETJ cited
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.
- very strong RN-KBNHMB cited
HM Revenue & Customs
HMRC's main VAT notice for building work, last updated 26 August 2026. Sets out that construction of a new building and work to an existing building is normally standard rated at 20%, with exceptions: 0% for new qualifying dwellings and for housing association conversions of non-residential buildings, and 5% for a 'changed number of dwellings' conversion (section 7) and for renovation or alteration of a dwelling not lived in during the 2 years immediately before work starts (section 8, conditions at 8.1.2 and 8.3). Cites the law: VAT Act 1994 section 30 and Schedule 8 Group 5 for zero rating, section 29A and Schedule 7A Groups 6 and 7 for the reduced rate. Also explains the developer input tax block on goods that are not building materials (VAT (Input Tax) Order 1992 articles 2 and 6) and points self builders to the DIY housebuilders refund scheme.
Cited in Average Loft Conversion Cost: Real 2026 Breakdown by Type, Barn & Outbuilding Conversions: Feasibility & Cost, Bedroom Extension Cost: 2026 UK Price Guide, Bringing an Old Building Price to Today's Money and 18 more.
- very strong RN-1HRJJ7 cited
HM Revenue & Customs
Section 2.1 sets a zero rate of VAT on the installation of energy-saving materials in residential accommodation from 1 May 2023 to 31 March 2027, after which the rate reverts to the 5% reduced rate; section 2.22 extended it to buildings used solely for relevant charitable purposes from 1 February 2024. Section 2.7 lists the qualifying materials: central heating and hot water controls, draught stripping, insulation to walls, floors, ceilings, roofs, lofts and pipes, solar panels, wind turbines, water turbines, ground source heat pumps, air source heat pumps, micro combined heat and power units and wood-fuelled boilers, with water source heat pumps, batteries for energy storage and smart diverters added on 1 February 2024. Section 2.3 is the critical rule for a renovation note: relief applies to an installation service, or materials supplied and installed together, but materials bought without installation stay standard-rated at 20%.
Cited in Air Source Heat Pumps: Cost, Grants & Is It Worth It, Builders' Merchants: The Complete UK Guide (2026), Builders' Merchants Explained: How They Work & How to Buy, Cost of a New Bathroom (Full Breakdown) and 8 more.
- very strong RN-9KXRWL cited
HM Revenue and Customs
The section that kills the persistent claim that work to a listed building is VAT free. With effect from 1 October 2012 the zero rate for the first grant of a major interest in a substantially reconstructed protected building was withdrawn in cases where zero rating relied on three-fifths of the work, measured by cost, being approved alterations. The transitional relief that softened the change expired on 30 September 2015, and was only ever available where a relevant consent was applied for or a written contract entered into before 21 March 2012, or where 10 per cent of the substantial reconstruction was complete before that date. Zero rating survives only where the first grant of a major interest relates to a protected building substantially reconstructed from a shell. Defines a major interest as the freehold, in Scotland the absolute interest, or a lease of over 21 years, though not less than 20 years in Scotland. Ordinary alteration work to an occupied listed home is therefore standard rated at 20 per cent.
Cited in Reclamation Yards & Salvage: Buying Reclaimed Materials.
- very strong RN-ZYLCD2 cited
HM Revenue and Customs
The 5 per cent conversion rate and, importantly, what it does not cover. A qualifying conversion into single household dwellings arises where the premises after conversion contain a greater or lower number, but not fewer than one, of single household dwellings, and includes a property never lived in such as an office block or a barn, a bedsit block, non-self-contained living accommodation such as staff rooms above a pub, and a dwelling previously adapted in its entirety to another use such as offices or a dental practice. It expressly does not include the creation of living accommodation that is not a single household dwelling, naming most granny annexes and additional bedrooms at a care home, nor the renovation of living accommodation used for other purposes without adaptation, such as a flat above a shop used for storage, which is directed instead to the section 8 empty homes rate. Paragraph 7.3.1 makes clear that work unrelated to changing the number of dwellings cannot be reduced rated, and works three examples through a block of sixteen flats showing that parts of a building are examined independently. Goods that are not building materials, such as carpets or fitted bedroom furniture, remain standard rated along with their installation.
Cited in Church Conversion Cost: 2026 UK Price Guide, Who Buys the Materials: You or the Builder?.
- very strong RN-FX7S48 cited
HM Revenue and Customs
The section that carries the 5 per cent empty home rate, which most renovation budgets miss. A contractor may charge VAT at 5 per cent instead of 20 per cent on renovating or altering an eligible dwelling that has not been lived in during the 2 years immediately before the work starts. Paragraph 8.3.2 sets out what proves the two years: Electoral Roll and Council Tax records, utilities companies, or an Empty Property Officer at the local authority, and states that a letter from an Empty Property Officer certifying two years empty is sufficient on its own with no other evidence needed. Paragraph 8.3.3 lists occupation that can be ignored: illegal occupation by squatters, occupation by guardians installed to deter squatters and vandals, and non-residential use such as business storage, but expressly not occasional use as a second home, which defeats the relief. Paragraph 8.3.4 allows the reduced rate to continue on all the work even where people move in while the work is carried out, provided the two-year test was met when work started. Goods that are not building materials, such as carpets or fitted bedroom furniture, must still be standard rated including the installation charge.
Cited in Roof Repair Costs & Common Problems (UK), Who Buys the Materials: You or the Builder?.
- very strong RN-26FMBT cited
HM Revenue and Customs
HMRC's internal manual chapter on the approved alteration zero rate, whose very title fixes the date the relief ended: the rules it explains are those prior to 1 October 2012, so a note that still tells readers to claim zero-rated VAT on approved alterations to a listed home is out of date by more than a decade. Manual published 19 March 2016 and updated 4 August 2026. The chapter contents show what the old test required and remains useful for pre-2012 work and for understanding the terms still used: VCONST08100 the basic conditions for zero-rating, VCONST08200 whether the work is to a protected building, VCONST08300 whether the work is an approved alteration, VCONST08350 whether the work is approved, VCONST08450 the distinction between alterations and repair or maintenance, VCONST08550 incidental alterations, VCONST08600 structures in the curtilage of a building, VCONST08700 certificates, VCONST08750 services excluded from zero-rating and VCONST08800 apportionment.
Cited in Reclamation Yards & Salvage: Buying Reclaimed Materials.
- very strong RN-611OEW cited
LABC Warranty
New-home warranty technical manual section on tolerances, giving the flatness limit for plastered and dry-lined walls and ceilings under a 2 m straight edge.
- very strong RN-AW0FCY cited
Ministry of Housing, Communities and Local Government
The second volume of Approved Document B, needed when a homeowner project crosses out of purely domestic use. Paragraph 0.1 draws the line: Volume 1 deals solely with dwellings INCLUDING blocks of flats, so a flat conversion stays in Volume 1, while Volume 2 covers every other building type. Table 0.1 sets the purpose groups: 1(a) flat, 1(b) dwellinghouse with a habitable storey at least 4.5m above ground up to 18m, 1(c) dwellinghouse with no habitable storey 4.5m above ground, then 2(a) residential institutional, 2(b) residential other (hotel, boarding house, hall of residence, hostel), 3 office, 4 shop and commercial, 5 assembly and recreation, 6 industrial, 7(a) storage and 7(b) car parks for vehicles up to 2,500kg gross. Its notes keep work within purpose group 1: surgeries, consulting rooms or offices forming part of a dwellinghouse and used by an occupant in a professional capacity stay in group 1 provided they total no more than 50m2, and a detached garage or open carport of no more than 40m2 stays in group 1(c). Paragraph 0.21 requires a separate purpose group for an ancillary use if that use is a flat, or if the building or compartment exceeds 280m2 and the ancillary use is more than one fifth of the total floor area; paragraph 0.22 requires separate purpose groups for genuinely independent uses such as shops with offices above, and the more onerous guidance applies where there is doubt. Paragraphs 0.23 and 0.24 require Volume 1 to be consulted as well for mixed use buildings that include dwellings, and paragraph 3.2 requires separate escape routes, or other effective protection of common escape routes, where a building has storeys or parts of storeys in different purpose groups.
Cited in Carpet Tile Installation Cost: 2026 UK Price Guide.
- very strong RN-SAMO3M cited
Ministry of Housing, Communities and Local Government
The official list of competent person schemes whose members can self-certify certain building work instead of getting building regulations approval, published 4 April 2013 and last updated 12 March 2018. Named schemes with contact numbers include ATTMA, APHC, Assure Certification, Blue Flame Certification, the British Board of Agrement, BESCA, Capita Gas Registration and Ancillary Services trading as Gas Safe Register, CIGA, Certass, Certsure LLP trading as NICEIC, the Elmhurst Airtightness Scheme, Fensa Limited, HETAS Limited, NAPIT Registration Limited, the National Federation of Roofing Contractors trading as CompetentRoofer, and OFTEC. Two footnotes matter: the Gas Safe Register is not technically a competent person scheme although in practice its installers carry the same building regulations responsibilities, and Benchmark Certification Limited ceased to operate as a competent person scheme on 10 February 2017, becoming part of NAPIT Registration Limited that day. Installers joining an electrical scheme are added to the single electrical competent person register.
Cited in Adding Plug Socket Room Cost: 2026 UK Price Guide, Blown Window Repair Cost: 2026 UK Price Guide, Building Control Inspections Explained, Building Control: What It Is & When You Need It and 39 more.
- very strong RN-U6IVLX cited
Ministry of Housing, Communities and Local Government
MHCLG guidance on placing construction products on the Great Britain market, covering England, Wales and Scotland, published 1 September 2020 and last updated 21 May 2025. States that on 2 September 2024 the Minister for Building Safety and Homelessness issued a written ministerial statement confirming that CE marking will continue to be available for construction products placed on the GB market, and that the UK mark, also known as the UKCA mark, may also be used. To use the UKCA mark a business must use a UK approved body for testing and certification for all products supplied to the GB market that are covered by a designated standard, or the product must conform to a UK technical assessment issued for it. Points to the Construction Products (Amendment etc.) (EU Exit) Regulations 2019, 2020 and 2022 for the post-transition regime, and notes separate guidance applies for Northern Ireland. Warns that the guidance is a summary and the legislation prevails. This is the source for what a marking on a merchant's product actually means.
- very strong RN-B869UP cited
Ministry of Housing, Communities and Local Government
The government plain-language map of the Building Regulations system in England, written after the Hackitt review called for the old manual to be revised, and split into Volume 1 (overview, chapters 1 to 8) and Volume 2 (further guidance, chapters A to F, plus key terms in Appendix I and references in Appendix II). It confirms that the Building Act 1984 sets the enforcement powers, that the Building Regulations 2010 contain 15 technical requirements in Schedule 1 each lettered as a Part, and that regulation 3 defines building work. Chapter 3 gives the list a renovation note can cite verbatim for when approval is likely to be needed: replacing consumer units or installing new circuits, new plumbing and waste connections, changing circuits near a bath or shower, installing ventilation or air conditioning, replacing windows and doors, replacing pitched or flat roof coverings, installing or replacing a heating system, adding extra radiators, removing a chimney breast, removing a wall (load bearing and sometimes non-load bearing) and creating a through lounge; it also confirms that new loft insulation unconnected to other building work is not checked by a building control body although it must still comply. Chapter 4 states that where work is done under a competent person scheme the installer or scheme operator notifies the local authority and issues a completion certificate within 30 days of completion, and that if work has already started or finished without notification an approved inspector cannot be used, leaving only local authority building control, which is not obliged to approve work already carried out. Chapter 3 also confirms courts can impose unlimited fines for non-compliance. Note the manual predates the Building Safety Act 2022 changes, so it still uses the term approved inspector rather than registered building control approver.
- very strong RN-3SXGDU cited
Ministry of Housing, Communities and Local Government
The GOV.UK page for Approved Document C, published 3 September 2013, ISBN 978 1 85946 509 7, covering site preparation and resistance to contaminants and moisture, with a separate FAQ document (ISBN 978-1-4098-4805-9). Since April 2023 the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep building safety and standards in England under review, including advising on Approved Document updates. The linked PDF gives the figures a damp note needs: paragraph 5.5 says a wall meets the requirement if it has a damp-proof course of bituminous material, polyethylene, engineering bricks or slates in cement mortar, or any other material that prevents the passage of moisture, continuous with any damp-proof membrane in the floors; for an external wall the damp-proof course should be at least 150mm above the level of the adjoining ground; and for an external cavity wall the cavity should be taken down at least 225mm below the lowest damp-proof course, or a damp-proof tray provided, with weep holes every 900mm and stop ends plus at least two weep holes where the tray does not run the full length. Paragraph 5.6 accepts the alternative of BS 8215 clauses 4 and 5 for damp-proof course design and installation, and BS 8102 for protection against water from the ground.
Cited in EPS vs XPS Insulation: Which & Where.
- very strong RN-O7TO5H cited
Scottish Government (gov.scot)
SCOTLAND, with no England equivalent: a seller in Scotland must commission a Home Report before marketing, where an England seller commissions nothing and the buyer pays for their own survey. Introduced in 2008 to give buyers and sellers better information on property condition before offers are placed, to stop duplicate surveys and valuations, and to stop artificially low asking prices. The Home Report comprises three documents: an Energy Report, a Property Questionnaire and a Single Survey, and only surveyors registered with or authorised to practise by RICS may produce the Single Survey. It was developed with the Home Report Implementation Group, whose members included RICS, the Law Society of Scotland, the Council of Mortgage Lenders, the National Association of Estate Agents and Citizens Advice Scotland. A five-year review followed a December 2013 consultation and a January 2015 research report.
- very strong RN-OSL7G4 cited
Scottish Government (gov.scot)
SCOTLAND. Clause 4.3.2 Table 4.3 sets private stair geometry at minimum rise 100 mm, maximum rise 220 mm, minimum going 225 mm, tread not less than the going and maximum pitch 42 degrees, so Scotland's minimum going is 225 mm against England's 220 mm in Approved Document K. Any other stair, including within the common area of a building containing flats, is limited to 170 mm rise, 250 mm going and 34 degrees. The aggregate of the going plus twice the rise must be between 550 mm and 700 mm, and note 6 warns the maximum rise and minimum going must not be used together. The going at the narrow end of a tapered tread must be at least 50 mm. Clause 4.3.16 requires clear headroom of at least 2.0 metres over the whole effective width, with reduction permitted only outside the area needed to maintain effective width, so Scotland does not carry England's 1.9 metre centre and 1.8 metre edge loft conversion concession. Text verified identical in the April 2026 PDF handbook.
Cited in Spiral Staircases: Sizes, Building Regs & Cost, Staircase Types & Costs: Straight, Winder & Spiral.
- very strong RN-AKNVL3 cited
The National Archives
Section 9 of the Listed Buildings Act 1990 makes it a criminal offence to carry out works to a listed building in breach of section 7, punishable by a fine or imprisonment.
Cited in Do You Need Planning Permission? A UK Homeowner's Guide, Farmhouse Renovation: Cost & Key Considerations, How to Repair Damaged Bricks, Lime Plaster & Lime Mortar Explained and 5 more.
- very strong RN-5FLQGL cited
The National Archives
Regulation 20 of the Control of Asbestos Regulations 2012. Whoever assesses premises for a site clearance certificate for reoccupation must be accredited to ISO 17020 and ISO 17025.
- very strong RN-2J581C cited
The National Archives
Regulation 21 of the Control of Asbestos Regulations 2012. An employer who has a sample analysed for asbestos must use a person accredited to ISO 17025.
- very strong RN-W0DK4I cited
The National Archives (legislation.gov.uk)
The provision that changed what a homeowner actually owes an insurer, and the correction to every article still saying you must disclose all material facts. Section 2(2) imposes a single duty on the consumer: to take reasonable care not to make a misrepresentation to the insurer. Section 2(4) states expressly that this duty replaces any duty relating to disclosure or representations by a consumer to an insurer that existed in the same circumstances before the Act applied, so the old volunteered-disclosure regime is gone for consumer insurance and the burden shifts to the insurer to ask clear questions. Section 2(3) provides that failing to comply with the insurer's request to confirm or amend particulars previously given is itself capable of being a misrepresentation, which is what catches a homeowner who ignores a renewal notice after an extension or loft conversion. In force from 6 April 2013 by S.I. 2013/450, with section 2(5) omitted from 12 August 2016 by the Insurance Act 2015.
Cited in Timber Frame vs Masonry (Brick & Block) Construction.
- very strong RN-43Q4DG cited
The National Archives (legislation.gov.uk)
The definitive list of what counts as a statutory nuisance in England and Wales, which is the legal hook for most neighbour and building-work complaints. Section 79(1) names, among others: (a) any premises in such a state as to be prejudicial to health or a nuisance, which is the route used against damp and disrepair; (b) smoke emitted from premises; (c) fumes or gases emitted from premises; (d) dust, steam, smell or other effluvia arising on industrial, trade or business premises; (e) any accumulation or deposit; (fb) artificial light emitted from premises, which covers security lighting; (g) noise emitted from premises; and (ga) noise from a vehicle, machinery or equipment in a street. Each limb requires the matter to be prejudicial to health or a nuisance. Section 79(1) also places a duty on every local authority to inspect its area for statutory nuisances and, where a person living in its area complains, to take such steps as are reasonably practicable to investigate. Section 79(1A) excludes matters caused by land being in a contaminated state, and section 79(2) excludes Crown defence premises from the smoke, artificial light and noise limbs.
Cited in Security Lighting & PIR Sensors.
- very strong RN-UFY1XP cited
The National Archives (legislation.gov.uk)
Regulation 3(1) makes it unlawful for any person to carry out work in relation to a gas fitting or gas storage vessel unless he is competent to do so, and 3(2) places the duty to ensure that on the employer, on every other employer or self-employed person with any control over the work, and on anyone who required the work to be done at a place of work under their control. Regulation 3(3) goes further: no employer may let an employee, and no self-employed person may themselves, carry out work on a gas fitting or service pipework unless that employer or self-employed person is a member of a class of persons approved by the Health and Safety Executive, which in practice is registration with the Gas Safe Register. Regulation 3(4) exempts only replacing a hose or regulator on a portable or mobile space heater and replacing the hose connecting a re-fillable cylinder to installation pipework. Regulation 3(7) makes it an offence to falsely pretend to be a member of an approved class. This is the legal basis for saying a boiler must be fitted by a Gas Safe registered engineer.
Cited in Alcove Cupboards & Built-in Storage: Cost & Ideas, Boiler Problems & Common Faults, Combi vs System vs Regular Boilers, Fire Pit Cost & Garden Ideas and 12 more.
- very strong RN-LOJL3V cited
The National Archives (legislation.gov.uk)
The statutory adjudication timetable, which is fast by design and is why builders and subcontractors use it against each other, though section 106 excludes contracts with a residential occupier so a homeowner cannot rely on it unless their contract adopts it voluntarily. A party may give notice at any time of an intention to refer a dispute, dispute including any difference. The contract must provide a timetable aimed at appointing the adjudicator and referring the dispute within 7 days of that notice, require the adjudicator to reach a decision within 28 days of referral or a longer agreed period, and allow the adjudicator to extend the 28 days by up to 14 days with the consent of the referring party. The adjudicator must act impartially and may take the initiative in ascertaining the facts and the law, and may correct a clerical or typographical error in the decision. The decision is binding until the dispute is finally determined by legal proceedings, arbitration or agreement, and the parties may agree to treat it as final. The adjudicator and their employees and agents are not liable except for acts or omissions in bad faith. Where a contract fails to comply with subsections (1) to (4), the adjudication provisions of the Scheme for Construction Contracts apply instead.
Cited in Adjudication for Home Building Disputes Explained, Builder Contracts & JCT: Protecting Yourself, Builder Disputes: The Complete Guide.
- very strong RN-37ODVX cited
The National Archives (legislation.gov.uk)
Regulation 12(1) applies to anyone intending to carry out building work, replace or renovate a thermal element, change a building's energy status or make a material change of use. Regulation 12(2) requires that person to give the relevant authority either a building notice under regulation 13 or an application for building control approval with full plans under regulation 14. Full plans are compulsory where the Regulatory Reform (Fire Safety) Order 2005 applies (12(3)), where the building fronts onto a private street (12(4)) and where paragraph H4 of Schedule 1 applies (12(5)). Regulation 12(6) exempts work done by a competent person listed in Schedule 3, work listed in Schedule 4, and work inspected by a Schedule 3A third party certifier appointed before work starts. Regulation 12(6A) still requires notification for Part P electrical work consisting of a new circuit, a consumer unit replacement, or any addition or alteration to existing circuits in a special location such as the zone around a bath or shower. Regulation 12(8) allows a building notice after the event for emergency repairs. Text is up to date to 7 September 2026.
Cited in Building Notice vs Full Plans Application, Building Regulations Explained for Homeowners, Extension Building Regulations: Homeowner Guide, House Rendering Cost: Whole-House Render Prices (2026) and 5 more.
- very strong RN-1MN06H cited
The National Archives (legislation.gov.uk), Northern Ireland Statutory Rules
NORTHERN IRELAND, and the part letters mean different things from England, so quoting an England part letter into an NI note is a straight error. The parts are A interpretation and general, B materials and workmanship, C site preparation and resistance to contaminants and moisture, D structure, E fire safety, F conservation of fuel and power, G resistance to the passage of sound, H stairs, ramps, guarding and protection from impact, J solid waste, K ventilation, L combustion appliances and fuel storage systems, N drainage, P sanitary appliances, unvented hot water storage systems and reducing the risk of scalding, R access to and use of buildings, and V glazing. So NI Part D is England's Part A, NI Part E is England's Part B, NI Part F is England's Part L, NI Part K is England's Part F, NI Part L is England's Part J, NI Part N is England's Part H, NI Part P is England's Part G and emphatically NOT electrical safety, NI Part R is England's Part M, and NI Part V is glazing. There is NO part covering electrical safety anywhere in these regulations, so domestic electrical work in Northern Ireland is not notifiable building work as it is under England's and Wales's Part P. Regulation 41 imposes consequential improvements, regulation 42 change of energy status and regulation 43 renovation of thermal elements.