The main factor is the area that needs filling.
Cavity wall insulation foam cost.
The second factor is the cost of wall insulation.
Houses built from about 1920 onwards will have cavity walls.
Cavity walls are one of the easiest ways for heat to escape from your home.
The average cost of cavity wall insulation depends on only two factors.
Therefore by installing cavity insulation you can save between 200 and 300 per year on your heating bills.
Internal wall insulation is more expensive than cavity wall insulation and could cost between 4 000 and more than 15 000 depending on the size of your property.
According to statistics the investment in cavity insulation can pay off over 3 years or less.
Solid wall insulation is more expensive again.
House cavity insulation cost factors.
Cavity wall insulation is injected through the outer wall of your home into the space between the inner and outer leaves of brickwork that make up cavity walls.
According to the energy saving trust est it should cost between 330 and 725 depending on the size of your home.
Cavity wall insulation prices depend primarily on the area to be filled.
So the more external walls you have the higher the cost will be.
What is cavity wall insulation.
There are a few factors that determine the wall insulation costs and type of insulation to install in your walls.
Sometimes up to 1 3 of the heat can be lost this way.