Insulating your solid walls could cut your heating costs considerably, because solid walls let through twice as much heat as cavity walls do.This can also change the appearance of your property making it more pleasing to the eye.
External wall insulation:
Building |
Detached |
Semi detached |
Mid terrace |
Bungalow |
Flat |
---|---|---|---|---|---|
Annual saving | £460 | £270 | £180 | £180 | £150 |
Annual carbon dioxide saving | 1040kg | 600kg | 395kg | 410kg | 325kg |
Installation cost* | External wall insulation: £5,000 to £26,000 Internal wall insulation: £4,000 to £16,000 |
Estimates
based on insulating a gas-heated home
*Costs may vary significantly depending on level of work required. Source Energy Saving Trust
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