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Gas Boiler 'Ban' 2023 - Can I still replace my old Gas Boiler?

What is a boiler?
In November 2020 the government announced a ‘Green Industrial Revolution’ which would bring the ban on gas boilers in new build homes forward from 2025 to 2023. However, while the announcement caused uproar in the heating industry and confusion amongst homeowners, it seems that the government has now retracted the plans.

Despite this, it is still worth considering how a gas boiler ban by 2025 would affect the 80% of UK homes currently using gas boilers? What does the future hold for the UK’s most common type of heating system, and what do homeowners need to know?

What has the government announced?

On 18th November 2020, Boris Johnson revealed a new 10-point ‘Green Industrial Revolution’ plan. It is believed that part of this plan will bring the ban on gas boilers in new builds forward to 2025. However, this has not been officially confirmed and no detail has been provided as the industry has not been consulted.

The 10-point plan states: “Homes built to Future Homes Standard will be ‘zero carbon ready’ and have 70-80% lower carbon emissions than those built to current standards.”

Referring to the originally announced deadline of 2023, a Downing Street spokesperson told the BBC there had been a “mix-up”, and that no fixed date is attached to the plan: “The government wants to implement the measures under the Future Homes Standard in the shortest possible timeline. “We’ve consulted on introducing this by 2025 and will set out further details in due course.”

While much of the media has jumped on the phrase ‘gas boiler ban’, it is important that homeowners understand exactly what has – and has not – been announced by the government.

The government’s Future Home Standard was announced in October 2019 and proposed that gas boilers would be banned from new builds from 2025. This is part of a wider strategy to reach net zero emissions by 2050.

Are gas boilers going to be banned?

The proposed legislation, if confirmed, would ban gas boilers from being installed in new homes which are built from 2025. It is expected that a full ban on gas boiler installations would not come into effect until much closer to 2050, which is the net zero emissions deadline for the UK. So, unless you buy a new build from 2025, the ban will not impact you.

There is no need for existing homes with gas boilers to get rid of them, and when your existing gas boiler needs replacing, you can replace it with a new gas boiler.

So what type of heating system will be installed in new builds?

From 2025, new build homes would be built with low-carbon alternatives such as air source heat pumps. Currently, only 30,000 heat pumps are being installed in the UK each year. The government would want to increase the number of heat pumps being installed to 600,000 every year by 2028.

Air source and ground source heat pumps extract and compress heat from the air or ground outside and use it to heat water in a hot water cylinder. This water can then supply taps, showers, and radiators. Find out more about air source heat pumps here.

Ok, so why are people talking about hydrogen heating?

Another element of the government’s Green Industrial Revolution is to introduce hydrogen into the gas network, and eventually produce enough hydrogen to feed the entire network. Unlike natural gas, hydrogen does not produce carbon emissions when burnt.

The first stage would be to blend hydrogen into the gas grid, as modern gas boilers are able to accommodate an 80:20 blend of natural gas and hydrogen with no modifications. So, in stage one, homeowners would not notice any difference in the way their homes are heated and there would be no expense to the homeowner.

The next stage would be to ensure that all new boilers installed after a certain date are ‘hydrogen ready’, which means that they would use natural gas initially, but would only need minor modifications in order to work with 100% hydrogen.

So, at some point in the future when you need to replace your gas boiler, you may need to install one that is hydrogen-ready, but it will operate in exactly the same way as a traditional gas boiler.

Finally, when the hydrogen network is ready, all gas boilers in the UK would need to be modified to work with 100% hydrogen, but this is unlikely to happen in the next decade and would have to be rolled out gradually.

The government, energy, and heating industries have plenty of research, training, and work to do before a domestic hydrogen network becomes a reality. Prototypes of hydrogen-ready and 100% hydrogen boilers are being developed.

Click here for more information on hydrogen boilers.

What if I want to install renewable heating technology now?

If you want to switch to renewable heating technology, you have several options. The government has extended their Green Homes Grants scheme which offers grants of £5,000 (or £10,000 for low-income households) to help homeowners install low-carbon heating and/or insulation. Eligible technologies include:

  • Air source heat pumps
  • Ground source heat pumps
  • Solar thermal panels
  • Biomass boilers.

Homeowners who apply for a primary grant towards heating or insulation can also apply for a secondary grant for other home improvements like double glazing. The scheme will be open to applications until 31st March 2022.

Can I still get a new gas boiler?


In fact, replacing an old gas boiler with a modern energy efficient model is a great way to cut your heating costs and reduce your carbon footprint. Many UK homes are currently not suitable for heat pumps as they are poorly insulated and do not have large enough radiators.

If your boiler is over 8 years old, expensive to run, breaking down regularly, or you simply want to replace an old heating system with a new combi boiler, there is nothing stopping you.

You can get free boiler quotes here at Boiler Guide by completing our simple enquiry form. We’ll match you with reputable heating engineers based in your area. Each will provide you with a free quote so you can compare prices and get the right deal for you.

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