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Government grant · England & Wales · Applied by Thermotec

Boiler Upgrade Scheme£7,500 Heat Pump Grant

Government grant for Wokingham homeowners replacing a gas boiler with an air source heat pump — applied for by Thermotec on your behalf

The Boiler Upgrade Scheme (BUS) provides £7,500 directly off the cost of an air source heat pump installation for eligible homeowners in England and Wales. You don’t apply yourself — Thermotec handles the entire Ofgem application as your MCS-certified installer. The grant is deducted from your quote before you pay.

Book an eligibility survey Call 07850 116944
£7,500
Boiler Upgrade Scheme grant — air source heat pump
Who appliesYour MCS installer (Thermotec) — not you
How paidDeducted from your installation quote
Who qualifiesEngland & Wales homeowners replacing fossil fuel system
VAT0% VAT on heat pumps until March 2027
New buildsNot eligible (existing homes only)
Book a free eligibility survey 07850 116944
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What is the Boiler Upgrade Scheme?

The Boiler Upgrade Scheme (BUS) is a UK government grant programme that pays £7,500 directly towards the cost of installing an air source heat pump in your home. It is part of the government’s commitment to reaching net zero by reducing residential reliance on gas boilers.

The scheme is run by Ofgem and funded by the Department for Energy Security and Net Zero. It replaced the Renewable Heat Incentive (RHI) and launched in 2022. The current grant level is £7,500 for air source heat pumps — a significant uplift from the original £5,000 when the scheme launched.

0% VAT: Heat pump installations also benefit from 0% VAT (reduced from 20%) until March 2027, further reducing the cost of the transition.

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You don’t apply — Thermotec does it for you
The BUS grant is not applied for by the homeowner. Your MCS-certified installer applies through the Ofgem portal before the installation takes place and the grant is applied directly to your quote — you simply pay the net cost after the £7,500 is deducted. Thermotec handles the entire application process. Book a survey to check your eligibility →

How it works — step by step

1
Eligibility survey
Stuart visits your Wokingham property for a free no-obligation survey. He assesses your insulation, existing system, radiator sizing and outdoor space, confirms BUS eligibility, and gives you an honest recommendation on whether a heat pump is the right choice for your property.
2
Fixed-price quote with grant applied
You receive a written fixed-price quote with the £7,500 BUS grant already deducted. The price you see is the price you pay — no hidden costs, no post-installation surprises.
3
Thermotec applies to Ofgem
Before installation begins, Thermotec submits the BUS application to Ofgem on your behalf through the MCS installer portal. This process is handled entirely by us — you don’t need to do anything.
4
Installation and commissioning
The air source heat pump is installed and commissioned to manufacturer specification. You receive full documentation, MCS certificate, and handover training on the system controls.
5
Grant claimed — nothing more to do
Thermotec claims the £7,500 grant from Ofgem after installation. The entire process is invisible to you — the grant was already reflected in your quoted price.

Eligibility — does your Wokingham home qualify?

✓ Your home likely qualifies if:
  • Property is in England or Wales
  • It is an existing home — not a new build
  • You own the property
  • You are replacing an existing fossil fuel system (gas, oil or electric)
  • The heat pump has a heating capacity of 45 kW or less
  • Valid EPC with no outstanding loft or cavity wall insulation recommendations
✕ Your home is not eligible if:
  • The property is a new build
  • It is social housing or a rental property
  • The property is in Scotland or Northern Ireland (different schemes apply)
  • The system was installed in the last 120 days
  • The EPC has outstanding insulation recommendations not yet addressed

The EPC insulation recommendation rule — what it means

Your property must have a valid EPC (Energy Performance Certificate). If the EPC lists an outstanding recommendation for loft insulation or cavity wall insulation, that insulation work must be completed before the BUS grant can be claimed. This does not affect most well-maintained Wokingham properties, but it is worth checking your EPC before booking a survey. Stuart will confirm this at the free eligibility visit.

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Wokingham property suitability note: Many of the semi-detached and detached properties in Wokingham and RG40 are good heat pump candidates, particularly post-2000 builds and those with good insulation. However, the 1970s–1990s housing stock that is prevalent in RG40 often has existing radiators sized for high-temperature gas systems — radiators may need upgrading to work efficiently with a heat pump’s lower flow temperatures. Stuart assesses radiator adequacy at the survey visit and gives an honest view of whether the property is a strong candidate or whether additional work would be needed first.

Is a heat pump right for your Wokingham home?

The £7,500 grant makes heat pumps significantly more accessible, but they are not the right solution for every property. Heat pumps work best in well-insulated homes and with low-temperature heat distribution (underfloor heating or large radiators). They operate more efficiently at lower flow temperatures than traditional gas boilers.

Stuart’s honest view: for a well-insulated Wokingham detached home replacing an old G-rated boiler, a heat pump with the BUS grant typically delivers a good return over time. For a property with a modern A-rated condensing boiler and average insulation, the economics are less clear and the honest answer may be that a new gas boiler is still the right choice for now. The survey gives you that honest answer specific to your property — not a sales pitch.

For more detail on heat pump suitability, see the full heat pump guide for Wokingham homeowners.

FAQ

How much is the Boiler Upgrade Scheme grant?
£7,500 for an air source heat pump. The grant is deducted directly from your installation quote — you pay the net cost. 0% VAT also applies to heat pump installations until March 2027, further reducing the cost.
Is my Wokingham home eligible for the BUS grant?
Your property must be in England or Wales, be an existing home (not a new build), and you must be replacing an existing fossil fuel heating system. A valid EPC with no outstanding loft or cavity wall insulation recommendations is required. Most Wokingham homeowners with an existing gas boiler qualify. A survey from Thermotec confirms eligibility for your specific property. Check eligibility →
Do I need to apply for the grant myself?
No. Your MCS-certified installer — Thermotec — applies to Ofgem on your behalf before the installation. The grant is deducted from your quote before you pay. You don’t need to do anything.
What if my EPC has insulation recommendations?
If your EPC lists an outstanding recommendation for loft insulation or cavity wall insulation, that work must be completed before the BUS grant can be claimed. Thermotec checks your EPC at the survey visit and advises on next steps if this applies.
Does the grant work in Scotland or Northern Ireland?
No — the Boiler Upgrade Scheme applies to England and Wales only. Scotland has its own scheme through Home Energy Scotland. Northern Ireland has separate programmes. Thermotec covers Wokingham and Berkshire (England), so BUS applies to all properties we serve.
Can I still get a new gas boiler instead?
Yes — new gas boiler installations are still permitted. The BUS grant is specifically for switching from fossil fuels to heat pumps and is not available for gas boiler replacements. If you want a new Vaillant or Viessmann gas boiler, new boiler installation starts from £1,800.
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Related pages
Official resources
Wokingham & RG40 · MCS Certified · Gas Safe 599015 · MCS Certified

Claim your £7,500 grant
book your eligibility survey

Thermotec applies for the BUS grant on your behalf · £7,500 deducted from your quote · 0% VAT until March 2027 · Honest eligibility assessment

Book a survey Call 07850 116944