Energy efficiency assessment
Advice on replacement boilers and insulating your property can be found in the following documents.
If your boiler is over 15 years old it will be around 65 per cent efficient. This means for every £1 you spend on fuel, only 65p is used to heat your home. The other 35p is wasted.
This guide offers advice to those specifying refurbishment work in homes and provides information on best practice standards for typical dwellings