Grant Funded Cavity Wall Insulation

Call free on 0800 988 3301 to arrange for a free survey.  Prices start from just £145.

Further information

Around a third of all heat lost in an un-insulated home is through the walls.  Insulating cavity walls reduced heat loss and can save you around £160 a year on your fuel bills.

Cavity wall insulation - what's it all about?
If your home was built from 1920 onwards, the chances are that its external walls are made of two layers with a small gap or 'cavity' between them.  This means they are 'cavity walls'.

Why insulate your cavity walls?
Cavity wall insulation is an effective way to save energy and money at home. A well insulated house keeps warmth exactly where you need it - indoors.

So, insulating your cavity walls will help you to heat your home more efficiently.  Using less energy reduces carbon dioxide emissions (CO2): one of the biggest causes of climate change.  You will also save money on your bills too.

Cavity wall insulation can also help to reduce condensation inside the house if it is a problem on external walls.

What could you save?
Cavity wall insulation is so cost effective that it will pay for itself over and over again.  The better insulated your home, the less energy you need to keep it warm - and the more money you'll save.

In fact, by insulating your cavity walls you could cut your heating costs by up to 15%.  By saving energy, your household will produce less CO2.  So, insulating your cavity walls is a great way to help fight climate change.

The maths*
Measure Annual saving per year (£) Installed cost (£) Installed payback CO2 saving per year
Cavity wall insulation Around £160 Around £250 Around 2 years Around 800kg






The installed cost includes the subsidy available from the major energy suppliers under the Carbon Emissions Reduction Target (CERT); the typical unsubsidised installed cost is around £500.

*Estimated figures based on insulating a gas-heated, semi-detached home with three bedrooms.

Could cavity wall insulation work for your home?
Generally speaking, your home will be suitable for cavity wall insulation if:

  • its external walls are unfilled cavity walls.
  • the masonry/brick work of your property is in good condition.
  • your cavity is at least 50mm wide.

Did you know?
An un-insulated home loses around a third of its heat through its external walls.  If every UK household that is suitable for cavity wall insulation installed it, we could save more than £750 million and 6.5 million tonnes of CO2 every year.

How do you get cavity wall insulation?
Filling cavity walls is not a job you can do yourself.  Installation must always be carried out by a registered installer.

What is a registered installer?
The Energy Saving Trust consider a registered installer for cavity wall insulation being one that is a member of any one of the following organisations:

 

Two key things the Energy Saving Trust advise to look out for when considering an installer:


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