Cavity wall insulation

No gaps in your wallet

Fill the gaps in between your walls and you could stuff more money into your wallet, too. See how much you could save on your annual heating bill when we install cavity wall insulation for you, below.

What you could save

England, Scotland and Wales 3


Detached house

1Fuel bill savings (£/year)

£225

2Saving on typical installation (as free)

£720

3Payback time

5 years or fewer

4Carbon Dioxide savings (kgCO2/year)

1,120 kg


Semi-detached house

1Fuel bill savings (£/year)

£150

2Saving on typical installation (as free)

£475

3Payback time

5 years or fewer

4Carbon Dioxide savings (kgCO2/year)

670 kg


Mid terrace house

1Fuel bill savings (£/year)

£95

2Saving on typical installation (as free)

£370

3Payback time

5 years or fewer

4Carbon Dioxide savings (kgCO2/year)

410 kg


Bungalow

1Fuel bill savings (£/year)

£105

2Saving on typical installation (as free)

£430

3Payback time

5 years or fewer

4Carbon Dioxide savings (kgCO2/year)

330 kg


Flat

1Fuel bill savings (£/year)

£70

2Saving on typical installation (as free)

£330

3Payback time

5 years or fewer

4Carbon Dioxide savings (kgCO2/year)

310 kg

These are estimated figures based on installing a gas-heated home. The average installed cost is unsubsidised. Figures are based on fuel prices as of April 2017.

Questions about cavity wall insulation?

If we haven’t covered it here, please give us a call on 0330 400 1083*