Your annual usage

From your energy bill
elec kWh / yr
gas kWh / yr

Or estimate by house type

£0

Current energy bill
(gas boiler)

£0

Wondrwall ASHP
+ Battery PowrPlan

£0

Estimated annual
saving

Energy cost breakdown Estimate

Gas boilercurrent total
£0
Standard ASHPheat pump only, no battery
£0
Wondrwall ASHP
+ Battery PowrPlan
£0

Energy costs based on Octopus Go tariff (8.5p/kWh off-peak, 31.9p/kWh day) and standard gas rate (5.93p/kWh). Battery PowrPlan subscription of £50/month included. Savings are estimates and not a guarantee.

Your payback period Estimate

£2,350

Cost of a new
gas boiler

£4,995

Wondrwall ASHP
after £7,500 BUS grant

£2,645

Additional cost
to upgrade

0 years

Paid back from your
estimated annual saving

Payback divides the additional upgrade cost (£2,645) by your estimated annual saving. Costs shown are typical installation prices; your actual quote may vary.