The UK Government has dropped its commitment to a blanket ban on gas boilers in new homes, according to The Negotiator on 10 November 2026 [1]. The gas boiler ban U-turn for new builds in November 2026 does not scrap the Future Homes Standard. It adds a narrow route for building control bodies to relax the carbon rules in individual cases where compliance would not be reasonable [2]. For anyone buying a new or nearly-new home over the next 18 months, the heating system has just become a more important part of the survey.
Officials had said there would be no exceptions to the low-carbon heating requirement for new homes. The Government has now confirmed that the "relevant building authority", in practice the council's building control team, can waive it in exceptional circumstances [1]. The Times first reported the change; The Negotiator and PropertyWire followed on 10 November [1][6].
A Government spokesperson told The Times that the Future Homes and Buildings Standard is "a step change in energy efficiency" and that exemptions "will be allowed by the relevant building authority only in individual cases and in exceptional circumstances" [1].
"The vast majority of new homes and buildings will be expected to meet it in full." — Government spokesperson, quoted by The Times and The Negotiator [1]
The underlying document is the Ministry of Housing, Communities and Local Government's "Building charges reform: government response to the consultation", published on GOV.UK on 16 October 2026 and updated on 20 October [2]. The press reported it in November after The Times picked it up.
The GOV.UK text does not mention gas boilers, heat pumps or off-grid buildings. Section 2.4 says the Government will "remove the prohibition on dispensing with or relaxing requirements for Regulation 26" of the Building Regulations 2010, to allow for "specific circumstances where a building control body may deem it unreasonable to require compliance". A relaxation "should be granted only where the building control body considers that applying the relevant requirement would not be reasonable" [2]. Regulation 26 sets the target CO2 emission rate for new buildings. Under the Future Homes Standard that target is too low for a gas boiler to meet, which is why the press calls this a gas boiler exemption [4].
GOV.UK gives precise dates: 24 March 2027 for ordinary building work and 24 September 2027 for higher-risk buildings [2]. The off-grid example comes from the spokesperson, not the published response [1][2].
The final Future Homes Standard Approved Documents were published on 24 March 2026, with the regulations coming into force on 24 March 2027 [3][4]. Building Circular 01/2026 and The Building Regulations etc. (Amendment) (England) Regulations 2026 set out the framework [3][7]. According to the independent Home Energy Model guide, the standard targets a 75% cut in carbon emissions compared with homes built under the 2013 regulations [4].
| Element | Notional dwelling from 24 March 2027 | What to look for |
|---|---|---|
| Heating | Heat pump with 45°C design flow temperature; gas boilers cannot meet the target | Sizing calculation, commissioning certificate |
| Renewables | On-site generation equal to 40% of ground-floor area (requirement L3), with exceptions above 18 m or below 720 kWh/year | Panel count, inverter location |
| Walls / floors / roof | U-values of 0.18, 0.13 and 0.11 W/m²K | Insulation continuity, cold bridging |
| Windows and doors | 1.2 W/m²K windows, 1.0 doors | Glazing spec, trickle vents |
| Airtightness | 4 m³/(h·m²) at 50 Pa | Air test certificate, draughts at service entries |
| Ventilation | dMEV plus wastewater heat recovery; MVHR in many designs | Commissioning sheet, filter access |
Source: Home Energy Model guide to the published standard [4]. These are notional figures, so individual homes vary.
Homes with building regulation applications submitted before 24 March 2027 can still be built to Part L 2021 if work starts before 24 March 2028 [4]. So a home finished in 2027 or 2028 may have a gas boiler quite legitimately because it was approved under the old rules, not because it received an exemption.
A heat pump home is easy to live in but unforgiving of poor design. These checks apply off-plan and to a two-year-old resale alike.
The notional dwelling runs at a 45°C flow temperature [4]. That only works if radiators or underfloor heating are sized for low-temperature water. Buyers should ask for the heat loss calculation and emitter schedule and check the installed radiators match. Undersized radiators leave a heat pump running constantly while rooms stay cool.
Most heat pump systems need a hot water cylinder, often 200 litres or more. Confirm where it sits, whether it can be serviced, and whether an immersion backup is fitted.
The standard relies on a tight, well-insulated envelope [4]. Buyers should ask for the air pressure test certificate and the as-built EPC. Where MVHR is installed, ask for the commissioning record and check the filters are accessible. Approved Document F now requires ventilation systems to be certified by a registered competent person or building control body [4].
An independent RICS-regulated surveyor will not test the heating system, but looks for evidence that it was designed and installed properly.
| Heating type | Typical surveyor observations | Defects often flagged for further investigation |
|---|---|---|
| Air source heat pump | Outdoor unit clearance and base, pipe insulation, condensate drain, cylinder and controls, commissioning evidence | Unit too close to a boundary or window, uninsulated pipework, no commissioning record, radiators sized for a boiler |
| Late-build gas boiler (Part L 2021 home) | Flue position, Gas Safe commissioning, Benchmark log, condensate route | Flue too close to openings, no Benchmark record, exposed condensate pipe |
| Heat network connection | Heat interface unit, metering, riser insulation | Poor insulation causing overheating, unclear tariff |
On a RICS Home Survey Level 2, the surveyor gives a condition rating to the services and recommends specialist tests where needed. A Level 3 survey adds detail on construction, likely causes of defects and future costs. For a nearly-new home with a heat pump, Level 3 is often the better choice because the paperwork matters more. Surveyors also check the new-build basics that affect heating performance: gaps in loft insulation, missing insulation behind bath panels and uncapped service penetrations.
Homes completed around the 24 March 2027 transition fall into three groups: Part L 2021 with a gas boiler, Part L 2021 with a heat pump fitted voluntarily, or the full Future Homes Standard. A buyer who does not know the group cannot judge whether the home meets the right standard.
A snagging survey should therefore record the heating type, commissioning documents and fabric details alongside cosmetic defects. The building control completion certificate states which regulations the home was certified under, and the surveyor can check it against what is on site.
Market pressure adds to the risk. Gleeson Homes warned on 10 November 2026 that the Your First Home scheme, offering 20% equity loans on new builds from April 2027, will "postpone demand" and "increase cancellations" before it launches [8]. Jason Honeyman, chief executive of Bellway, said the scheme would give only a "modest" boost and would not "supercharge housebuilding", as reported by The Negotiator [8].
Where developers chase completions to meet scheme deadlines, the chance of rushed commissioning rises, and an independent inspection earns its keep.
The Future Homes Standard uses SAP 10.3 as the only approved assessment method at launch, after the Home Energy Model was delayed in June 2026. Reformed EPCs for existing homes are expected in the second half of 2027 [4].
For landlords, the Energy Independence Bill introduced on 4 November 2026 is the bigger issue. According to Propertymark, it would give councils stronger powers to enforce Minimum Energy Efficiency Standards, set a maximum civil penalty of £30,000 for domestic breaches, and require privately rented homes to reach EPC C by 1 October 2030 unless an exemption applies. The landlord spending cap is £10,000, down from the £15,000 first proposed, and a new Warm Homes Agency would take over support schemes [5].
A home built to the Future Homes Standard should sit comfortably above EPC C. A Part L 2021 home with a gas boiler will normally reach a B or high C, but the margin narrows once the new EPC methodology arrives. Buyers planning to let should ask the surveyor to comment on the EPC evidence.
No. The Future Homes Standard still comes into force on 24 March 2027 and still sets a carbon target a gas boiler cannot meet. What has changed is that a building control body can relax Regulation 26 where applying it "would not be reasonable" [2], which the Government says will happen "only in individual cases and in exceptional circumstances" [1].
The GOV.UK response says relaxations should be granted only where compliance would not be reasonable, and notes such applications are rare [2]. The Government's example is a remote building not connected to the grid [1]. How councils apply the test will only become clear after March 2027.
Usually, but not always. EPC ratings depend on insulation, glazing and airtightness as well as the heating system, and the assessment method is changing in 2027 [4].
A warranty covers structural defects, not design shortfalls in heating or ventilation. A snagging survey or RICS Level 2 or Level 3 survey records the home's condition and gives the buyer evidence to raise defects with the developer before the early-defects period ends.
The gas boiler ban U-turn for new builds in November 2026 is narrower than the headlines suggest. The GOV.UK document behind it removes a legal bar on relaxing the carbon target, with a "not reasonable" test, from 24 March 2027 [2]. The Future Homes Standard is unchanged, and most new homes from 2027 will have heat pumps and rooftop solar [4]. What has changed for buyers is the mix of heating systems in homes completed between now and 2028, and the paperwork they need to see.
Practical next steps:
Survey Merchant works with a UK-wide panel of independent RICS-regulated surveyors who carry out snagging inspections, Level 2 and Level 3 surveys and valuations on new and nearly-new homes. Get a quote from Survey Merchant before committing to a purchase completed around the March 2027 transition.
Survey Merchant provides access to a panel of accredited and chartered surveyors across 100+ UK locations at fixed fees:
→ Level 2 Home Survey (HomeBuyer Report)
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→ Expert witness surveyors — CPR Part 35 reports for property disputes
