How To Win More Work Through The Boiler Upgrade Scheme
The Boiler Upgrade Scheme (BUS) is one of the biggest financial incentives the UK Government has introduced for low-carbon heating. It offers homeowners up to £7,500 towards installing a heat pump, and following the April 2026 amendments, has been extended to 2030 and expanded for even higher grants.
For heating engineers, this isn’t just a government policy to be aware of — it’s a genuine business opportunity.
Customers who might never have considered a heat pump are now actively researching them because the grant makes the numbers work. Whether you’re training to become a heat pump installer or are looking for more heat pump jobs, you should know exactly how the Boiler Upgrade Scheme can benefit you.
What Is the Boiler Upgrade Scheme?
The BUS provides upfront capital grants to property owners in England and Wales to help cover the cost of replacing fossil fuel heating systems with low-carbon alternatives. The grant is applied at the point of installation, meaning the customer doesn’t pay the full cost upfront — the installer claims the grant on their behalf.
The current grant levels are:
- £7,500 towards an air source heat pump
- £7,500 towards a ground source heat pump
- £5,000 towards a biomass boiler (in qualifying rural properties)
- £2,500 towards an air-to-air heat pump (newly eligible from April 2026)
The property must currently be heated by a fossil fuel system (gas, oil, LPG, or electric storage heaters), and the installation must be carried out by an MCS-certified installer.
Note: From July 2026, properties heated by oil or LPG will receive a £9,000 BUS grant — a £1,500 uplift on the existing £7,500 figure.
Read more: How to get MCS certified as a gas engineer.
Why This Matters for Gas Engineers
The BUS is creating a steady stream of warm leads for heat pump installations.
Homeowners searching for information about the grant are already motivated buyers — they’ve done their research and they’re ready to get quotes. As a heating engineer, you’re perfectly positioned to serve these customers because you already understand heating systems, customer expectations, and the practical realities of working in UK homes.
The transition from gas to heat pump installations isn’t as dramatic as it might sound. Much of your existing knowledge transfers directly: pipework, system design, customer management, and general heating principles all apply. The main additional training required is the MCS certification, which qualifies you to install heat pumps and claim BUS grants on behalf of your customers.
How to Get Started
If you’re considering adding heat pump installations to your services, here’s a practical roadmap:
Get trained
Several accredited training providers across the UK offer heat pump courses specifically designed for experienced gas engineers. These typically take a few days and cover system design, installation, and commissioning.
Obtain MCS certification
This is the industry standard for renewable energy installations in the UK and is required to access BUS grants. The process involves an assessment of your competence and your business practices.
Start with hybrid systems
If jumping straight to full heat pump installations feels like a big step, consider offering hybrid heating systems first. These pair a heat pump with an existing gas boiler and are an excellent way to build experience while serving customers who want to dip their toes in.
Market your new services
Update your website, add heat pump content to your social media, and mention the BUS grant in every customer conversation about boiler replacements. Many homeowners don't know the grant exists, and being the one to tell them builds immediate trust.
Use software to manage the paperwork
BUS applications, MCS documentation, and heat pump commissioning certificates all add to your admin. Using job management software that handles certificates and invoicing digitally will keep this manageable as you scale up.
The Numbers Make Sense
Heat pump installations typically command higher prices than standard gas boiler swaps. While a gas boiler replacement might earn you £1,500–£3,000 in labour and materials, a heat pump installation can bring in £4,000–£8,000 per job.
With the BUS grant covering a significant chunk of the customer’s cost, you’re selling a premium product at a price that feels accessible.
There’s also the repeat business angle. Heat pump customers often need annual servicing, and as you build your installed base, you create a reliable recurring revenue stream that complements your existing gas work.
A £9,000 opportunity for oil and LPG homes
Off-gas-grid homes have historically been the hardest sell on heat pumps because they often need the most expensive retrofits, but a new high £9,000 grant changes the conversation.
Identify the oil and LPG customers in your existing book so you’re ready to talk to them when the opportunity arises.
Don’t Wait Too Long
The heat pump market in the UK is growing, and early movers will have a significant advantage. Engineers who establish themselves now will benefit from less competition, stronger relationships with suppliers, and a growing reputation in their local area before the market becomes crowded.