If you have been reading the heating trade press over the past year, you have probably encountered some version of the headline: gas boilers are being banned. The Future Homes Standard, coming into force on 24 March 2027, has generated more dramatic commentary than almost any other piece of building regulation in recent memory, and a great deal of it is misleading.
The reality is more specific, and more nuanced, than the headlines suggest. Understanding what the standard actually requires, and what it does not, matters enormously if you are working as a gas engineer in England, considering gas engineer training, or trying to make informed decisions about where your skills will be needed in the coming years.
This article sets out the facts.
The Short Answer
The Future Homes Standard is not a blanket ban on gas boilers. It is a performance standard for new homes in England. However, the government has made clear that gas boilers will not meet the required performance threshold for new-build homes under the new standard. Existing gas boilers are not required to be replaced by a fixed date, and engineers can continue to service and repair them.
What the Future Homes Standard Actually Is
The Future Homes Standard is a set of new building performance requirements for new homes in England, introduced through the Building Regulations etc. (Amendment) (England) Regulations 2026. The standard is set out in Building Circular 01/2026, published by the government, which establishes the performance threshold that new residential buildings must meet from 24 March 2027.
Sources: 2026 amendment regulations | Approved Document L 2026
It is a performance standard, not a blanket legislative ban on gas boilers. The distinction is legally and practically significant. The regulation does not name gas boilers and prohibit them by type. It sets a performance requirement for the carbon emissions and energy efficiency of new homes, and the government's position is that gas boilers will not meet that requirement.
Source: Government Heat and Buildings factsheet
The standard applies to England only. It is not a UK-wide measure. Scotland, Wales and Northern Ireland have separate regulatory frameworks and separate timelines.
For most new-home projects, transitional protection requires the relevant notice or full plans application before 24 March 2027 and building work to commence, as defined in the regulations, before 24 March 2028. These conditions apply to each building individually. Higher-risk building work has separate arrangements.
Source: Building Circular 01/2026
What the 24 March 2027 Commencement Date Means
The Future Homes Standard takes effect in England from 24 March 2027 for most new-home building work, subject to transitional arrangements. Specified provisions apply to higher-risk building work from 24 September 2027.
Source: Government implementation letter
What this means in practice: new homes in England built under the new standard are expected to use heating systems, principally heat pumps and heat networks, that can achieve the required low-carbon performance threshold. Gas boilers, which combust natural gas and produce carbon dioxide emissions, will not meet that threshold under the current regulatory framework.
Source: Government Heat and Buildings factsheet
This is not the same as saying gas boilers are prohibited in every new home from 24 March 2027. The regulation works through performance thresholds, not prescriptive technology lists. But the government's guidance and the supporting impact assessments make clear that the performance level set under the new standard is designed to make gas-fired heating unviable for new builds in England.
For new-build heating contractors and developers, the transition is already under way. Heat pumps and heat network connections are the technologies that new-build specifications are moving towards.
Gas Boilers and the Performance Threshold
The government's Heat and Buildings factsheet, published alongside the regulatory package, is explicit: gas boilers will not meet the required performance standard for new-build homes in England from 24 March 2027.
Source: Government Heat and Buildings factsheet
Future Homes Standard compliance assesses the whole home, including its emissions, primary energy use and fabric energy efficiency. It is not determined by boiler efficiency alone.
Source: Approved Document L 2026
New homes built to the Future Homes Standard are therefore expected to use:
- Air source or ground source heat pumps, the primary low-carbon heating technology for new residential builds
- Heat networks, district heating systems fed from low-carbon sources, common in high-density urban developments
This is the technology shift that the Future Homes Standard is designed to drive. New-build heating contractors, developers, and mechanical and electrical engineers specifying heating systems for new builds subject to the Future Homes Standard need to specify compliant low-carbon heating.
The Existing Housing Stock: Where Most Gas Engineers Actually Work
The number that matters most for the gas engineering workforce is that around 86% of households in England use a natural-gas-fired main heating system.
Source: Warm Homes Plan
That represents tens of millions of properties: Victorian terraces, post-war semis, Edwardian villas, 1970s estates and purpose-built flats. The Warm Homes Plan reports that around 86% of households in England use natural gas as their main heating system. This explains why existing gas heating remains relevant to gas engineers.
The Future Homes Standard changes what happens in new-build homes. It does not apply retroactively to the existing housing stock. It does not require existing gas boilers to be replaced by a fixed date. It does not prevent servicing, maintenance or repair of gas heating systems in existing homes.
Existing gas-heated properties will continue to require:
- Boiler servicing and maintenance in line with manufacturer instructions, carried out by an appropriately qualified Gas Safe registered engineer
- Fault diagnosis and repair when boilers break down, components fail or systems require adjustment
- Heating system upgrades, including a new boiler replacing an old one in an existing property
- Landlord safety checks and gas safety certificates for rented properties
- Commercial and industrial gas maintenance for large-scale gas systems in commercial buildings
Sources: HSE appliance servicing guidance | HSE Gas Safe registration guidance
The installed base of gas-heated properties in England is not going to disappear in 2027. It is a long-cycle asset base, replacing itself gradually over decades. The decision about when and how the existing stock transitions away from gas heating will be shaped by the Warm Homes Plan, future policy, the development of the installer base for alternatives and the economics of retrofit.
Does This Mean Gas Engineers Won't Be Needed?
This is the question that the headlines prompt and that gas engineers are right to ask. The honest answer is that the Future Homes Standard changes the trajectory of the heating industry, particularly for new-build work, and it is reasonable for gas engineers who work heavily in new-build heating to factor that into their professional development.
The Future Homes Standard does not prohibit servicing and repairing existing gas boilers. Gas engineers should consider their current work and customers when planning additional training.
What the regulation does do is signal the direction of travel clearly. New-build heating is moving towards heat pumps and heat networks. The commercial and public sector is also under increasing pressure to decarbonise heating. Gas engineers who build their skill set to include heat pump commissioning, servicing and fault diagnosis are better positioned as that market develops, regardless of the timeline.
Government workforce estimates indicate growing demand for heat pump skills, but they do not guarantee work for an individual engineer. Choose training around your experience, customers and business plans.
Source: Warm Homes Plan
The Case for Multi-Technology Competence
The heating and plumbing sector is already moving in the direction of multi-technology engineers: professionals who are qualified and competent in both gas and low-carbon heating technologies. The arguments for this are practical.
New homes built to the Future Homes Standard will need low-carbon heating, such as heat pumps or heat networks. Those heat pumps will need commissioning, servicing and maintenance. The engineers who can handle both a gas boiler service call on an existing property and a heat pump commissioning visit on a new one are more versatile, more employable and better positioned as the market evolves.
Source: Government Heat and Buildings factsheet
Heat pump technology, particularly air source heat pumps, has its own qualification requirements and its own learning curve. Heat pump training covers system design, commissioning and fault diagnosis. F-gas qualifications are required for relevant work on systems containing fluorinated refrigerants; they are not automatically required for every heat pump installation.
Sources: Government F-gas qualifications guidance | Baxi monobloc and split heat pump guidance
The engineers who trained early in heat pump servicing, solar thermal systems and EV charging installation are already building a different kind of portfolio. They are not replacing gas competence; they are adding to it.
For gas engineers considering where to invest in professional development, renewables training—specifically courses covering heat pumps, solar PV and the supporting electrical competencies—is the area that most consistently comes up as the logical extension of existing gas skills. Solar PV training requires appropriate electrical competence and has its own entry requirements.
How Kelly Energy Training Supports Gas Engineers
Kelly Energy Training is based in Enfield, North London, and has been delivering gas and electrical training to engineers across London and the UK for years. Whether you are qualifying for the first time, adding to an existing gas portfolio or beginning the move into renewables, Kelly Energy Training offers the courses and certification routes to get there.
Gas Certification and Training Courses
If you are working towards initial gas engineer training, adding additional categories to an existing Gas Safe registration or renewing your ACS competency assessment, Kelly Energy Training delivers gas certification courses at its Enfield training centre.
ACS assessments provide recognised evidence of gas safety competence. To undertake gas work covered by the regulations, businesses must be Gas Safe registered, with engineers competent and registered for the relevant work categories. Kelly Energy Training's training courses in Enfield provide the practical assessment environment you need to achieve and maintain that certification.
Source: HSE Gas Safe registration guidance
For engineers based across London and the South East, the Enfield location provides a central, accessible point for gas training courses in London. For engineers further afield, Kelly Energy Training also works with engineers from across the UK seeking gas training courses. Contact the team to discuss your requirements and the options available.
Is your ACS due for renewal, or are you adding new appliance categories?
View Kelly Energy Training Courses →Renewables Training for Gas Engineers
Kelly Energy Training also offers renewables training courses for engineers looking to expand their competency into low-carbon heating technologies. Heat pump training can complement an experienced gas engineer's heating skills. Solar PV and EV charger installation courses require appropriate electrical competence and their own entry requirements.
Source: Kelly course entry guidance
If you are a gas engineer considering your next professional development step, read our guide to which renewables course suits your situation.
For engineers thinking about the full picture—from initial gas qualification through to a renewables-extended skill set—our guide on how to become a gas engineer in the UK covers the qualification pathway in detail.
Speak to the Kelly Energy Training Team
For any questions about the gas or renewables training courses available at Kelly Energy Training, or to discuss which qualification route is right for your situation, contact us here.
Kelly Energy Training delivers training courses in Enfield and works with engineers across London and the wider UK. Whether you need gas certification, renewables competency training or electrical qualifications, the team can advise on the right route for your next step.
Frequently Asked Questions
Are gas boilers being banned in the UK?
Not across the UK. The Future Homes Standard applies to new homes in England only and takes effect for most new-home building work from 24 March 2027, subject to transitional arrangements. It is a performance standard, not a blanket ban, but the government has been clear that gas boilers will not meet the required performance threshold for new-build homes in England under the new standard.
New homes built to the standard will need low-carbon heating, such as heat pumps or heat networks. The existing housing stock—around 86% of England's households use gas heating—is not affected by the Future Homes Standard. Scotland, Wales and Northern Ireland have separate regulatory frameworks.
What does the Future Homes Standard mean for gas engineers?
The most direct impact is on gas engineers working in new-build heating, where specifications will move towards heat pumps and heat networks. For engineers servicing and maintaining the existing gas-heated housing stock, the regulation does not remove the ongoing requirement for gas-qualified engineers. It does, however, signal a move towards multi-technology competence across gas and low-carbon heating.
When does the Future Homes Standard come into force?
The Future Homes Standard takes effect from 24 March 2027 for most new-home building work in England, subject to transitional arrangements. Specified provisions apply to higher-risk building work from 24 September 2027. For most projects, transitional protection requires the relevant notice or full plans application before 24 March 2027 and building work to commence, as defined in the regulations, before 24 March 2028. Conditions apply to each building individually; higher-risk building work has separate arrangements.
Can gas engineers still service and repair existing boilers after 2027?
Yes. The Future Homes Standard does not prohibit servicing or repairing existing gas boilers, or require homeowners to replace them by a fixed date. Engineers must remain appropriately competent and Gas Safe registered for the work they undertake.
Should gas engineers now train in renewables?
Many gas engineers are choosing to add renewables competency, particularly heat pump qualifications, to their existing gas skill set. Whether to train in renewables, and which technology to focus on, depends on your current work mix, geographic market and professional development goals. Kelly Energy Training offers renewables training courses at its Enfield centre; speak to the team about your situation.
Where can gas engineers get certified in London and Enfield?
Kelly Energy Training delivers gas certification training at its centre in Enfield, North London. Gas ACS assessments, gas training courses in London and renewables training courses are all available. Engineers across London and the UK can contact Kelly Energy Training to discuss the courses available and book their place.
Sources
- Building Circular 01/2026
- Government implementation letter
- 2026 amendment regulations
- Approved Document L 2026
- Government Heat and Buildings factsheet
- Warm Homes Plan
- HSE Gas Safe registration guidance
- HSE appliance servicing guidance
- Government F-gas qualifications guidance
- Baxi monobloc and split heat pump guidance
- Kelly course entry guidance
Build the Skills You Need for the Changing Heating Industry
Explore Kelly Energy Training's gas, renewables and electrical courses, or speak to the team about the right qualification route for your experience and goals.
View Training Courses → Contact Kelly Energy Training →Kelly Energy Training is a gas and electrical training provider based in Enfield, delivering gas certification, gas training courses in London and renewables training courses for engineers across London and the UK.
