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Get an estimate of your potential savings
Estimate your heat pump savings
Select your property type to get a recommended heat pump size and estimated costs.
Your gas usage
Based on your property type, here's your estimated annual gas usage for heating. You can adjust this if needed.
Annual gas usage
Your current boiler
Select the type of boiler you currently have. Older, less efficient boilers waste more gas, so switching to a heat pump can save you even more.
Your estimated heat pump savings
Based on Ofgem Q1 2026 rates, Energy Saving Trust data, and the BUS grant.
Current gas heating cost
Heat pump running cost
System cost
Based on current energy prices, a heat pump would cost more to run than your existing boiler.
Your boiler is already highly efficient, so the running cost saving isn't there at today's gas-to-electricity price ratio. However, heat pumps still reduce carbon emissions and protect against future gas price rises. A heat pump may become more cost-effective as electricity prices fall relative to gas.
* Estimates based on Ofgem Q1 2026 price cap rates, a seasonal COP of 3.7 (representative of Worcester Bosch units), and the £7,500 Boiler Upgrade Scheme grant. Actual savings will vary depending on your home's insulation, heating habits, and tariff.
Estimate your solar savings
Select your property type to get a recommended solar system size.
Your electricity usage
Based on your property type, here's your estimated annual electricity usage. You can adjust this if needed.
Annual electricity usage
Battery storage
Adding a battery lets you store excess solar energy for use in the evening, increasing the amount of solar power you use directly.
Your estimated solar savings
Based on UK average solar generation data and Ofgem Q1 2026 rates.
Recommended system
Savings breakdown
* Estimates based on UK average solar generation (900 kWh/kWp/year), Ofgem Q1 2026 electricity rates, and standard SEG export tariff. Actual results will vary depending on roof orientation, shading, and your tariff.