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Not sure what kind of walls you have or the best way to insulate them? Here's how to work it ou

Cavity wall insulation is so cost effective that it will pay for itself over and over again. A third of all the heat lost in an uninsulated home goes through the walls - insulating your cavity walls can save you up to £135 a year on your fuel bills.

Insulating your solid walls could cut your heating costs considerably, because they let through up to twice as much heat as cavity walls. They can be insulated from the inside or the outside.

nsulating under the floorboards on your ground floor will save you around £60 a year, and you can seal the gaps between floors and skirting boards to reduce draughts too.

Draught-proofing is often overlooked - but it’s one of the cheapest and most efficient ways to save energy (and money!) in any type of building. 

Energy-efficient glazing – double glazing, triple glazing or secondary glazing – keeps your home warmer and quieter as well as reducing your energy bills.