HeatPumpHeat Pump Costs in Sherborne (DT9)
Average air source heat pump installation cost, running costs, and savings for the DT9 postcode district.
Installation Cost
Air Source Heat Pump
£10,034
£2,534
After £7,500 BUS grant
Ground Source Heat Pump
£25,361
£17,861
After £7,500 BUS grant
Costs are area averages and vary by property size, insulation level, and installer. See full cost breakdown.
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Annual Running Cost Comparison
Based on standard electricity rate (24.5p/kWh). Off-peak tariffs reduce heat pump costs significantly. See tariff comparison.
Annual Savings vs Current Heating
| Current Fuel | Annual Cost | Heat Pump Cost | Annual Saving |
|---|---|---|---|
| Mains Gas | £929 | £900 | £29/yr |
| Heating Oil | £1,211 | £900 | £311/yr |
| LPG | £1,433 | £900 | £533/yr |
Running costs assume standard electricity tariff (24.5p/kWh). Off-peak tariffs (7-10p/kWh) improve heat pump savings significantly.
Great fit
Heat pump suitability for this area
Off-Gas Grid
35% of homes
Ideal for heat pumps
Avg EPC Rating
65 (Band D)
COP Estimate
3.5
Above UK average
Typical Property
Detached
Noise Concern
Low concern
35% of properties in DT9 are off the mains gas grid. For homes on oil or LPG, a heat pump is an ideal replacement — saving £311-533/year on heating. The BUS grant covers most of the installation cost.
Frequently Asked Questions
How much does an air source heat pump cost in Sherborne?
The average air source heat pump installation in Sherborne (DT9) costs £10,034. After the £7,500 BUS grant, the effective cost is £2,534.
Is my home in DT9 eligible for the BUS grant?
Most existing properties in DT9 are eligible for the £7,500 Boiler Upgrade Scheme grant. You need a valid EPC, an MCS-certified installer, and must not have received a previous BUS grant. New builds are excluded.
Will a heat pump save me money in Sherborne?
If you're on mains gas, a heat pump could save around £29/year in Sherborne. If you're on oil heating, savings are typically £311/year. Savings increase significantly on off-peak electricity tariffs like Octopus Cosy.
What is the COP of a heat pump in Sherborne?
The estimated Coefficient of Performance (COP) for heat pumps in Sherborne is 3.5. This means for every 1 kWh of electricity used, the heat pump produces 3.5 kWh of heat. This is above the UK average, thanks to the milder climate in this area.
Do I need to insulate my home before getting a heat pump in DT9?
Most homes in DT9 have reasonable insulation (average EPC score 65, band D). While improving insulation always helps, many properties here can proceed directly with a heat pump installation.
Nearby Postcodes
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