HeatPumpHeat Pump Costs in Woking (GU21)
Average air source heat pump installation cost, running costs, and savings for the GU21 postcode district.
Installation Cost
Air Source Heat Pump
£11,453
£3,953
After £7,500 BUS grant
Ground Source Heat Pump
£24,889
£17,389
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 | £974 | £1,001 | -£27/yr |
| Heating Oil | £1,269 | £1,001 | £268/yr |
| LPG | £1,502 | £1,001 | £501/yr |
Running costs assume standard electricity tariff (24.5p/kWh). Off-peak tariffs (7-10p/kWh) improve heat pump savings significantly.
Honest about gas comparison
At standard electricity rates (24.5p/kWh), a heat pump in GU21 may cost around £27 more per year to run than a gas boiler. However:
- Off-peak tariffs (Octopus Cosy at 7.5p/kWh) make heat pumps cheaper than gas
- Gas prices are volatile — heat pumps protect against future price rises
- Heat pump lifespan (20+ years) vs gas boiler (12-15 years) saves on replacements
- If you're on oil or LPG, you'll save £268-501/year
Insulating first reduces heating demand, tipping the balance in favour of heat pumps.
Good with insulation
Heat pump suitability for this area
Off-Gas Grid
13% of homes
Avg EPC Rating
65 (Band D)
COP Estimate
3.3
Above UK average
Typical Property
Flat
Noise Concern
Low concern
Frequently Asked Questions
How much does an air source heat pump cost in Woking?
The average air source heat pump installation in Woking (GU21) costs £11,453. After the £7,500 BUS grant, the effective cost is £3,953.
Is my home in GU21 eligible for the BUS grant?
Most existing properties in GU21 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 Woking?
Honestly, if you're on mains gas with standard electricity tariffs, a heat pump may cost around £27/year MORE to run in Woking. However, if you're on oil (save £268/year) or LPG (save £501/year), a heat pump will definitely save money. Off-peak electricity tariffs also change the equation significantly.
What is the COP of a heat pump in Woking?
The estimated Coefficient of Performance (COP) for heat pumps in Woking is 3.3. This means for every 1 kWh of electricity used, the heat pump produces 3.3 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 GU21?
Most homes in GU21 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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