How do you know if you have Cavity Wall Insulation?

How do you know if you have Cavity Wall Insulation?

Looking at the exterior of your property won’t necessarily give you any insight as to whether your home has cavity wall insulation, or not. There are a few things that you can look for that make it easier to identify if your home has cavity walls, consider the following:


How old is your property?

It’s more than likely, that if your home was built before 1930, it won’t have cavity wall insulation. Cavity wall insulation is a relatively modern building innovation, so if you live in a property that was built in the 1980’s, it’s almost certain you’ll have cavity walls.

Brick pattern.

For properties made of bricks: how are the bricks aligned? Are they all in-line and the same length or do they vary in shape and size?

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Bricks that are the same length suggest that you have a cavity wall, alternatively, if the bricks are arranged in a pattern, you may not have cavity wall insulation.

Stretcher bond: these are laid on their long side and are likely to have cavity wall insulation.

Flemish bond: these alternate, there are full bricks accompanied by half bricks. It’s more than likely that these are without cavity wall insulation.

English bond: these are alternate rows of various sized bricks, again, chances are these won’t have cavity wall insulation!


A wall that has cavity insulation is much thicker than a wall without it, this is because there is an air gap between the interior and exterior. To identify whether you have cavity wall insulation you could measure the depth of the wall.

If you require any expert advice, A&M Energy are reliable cavity wall insulation installers, and are always on hand to help you reduce heat loss within your home.

Why A&M Energy?

A&M Energy has a wealth of experience and knowledge, consider them to be the expert when it comes to cavity wall insulation installers! The systems they provide are compliant with building regulations and the British Board of Agreement Certificate.

If you are unsure as to whether you have cavity wall insulation, why not contact cavity wall insulation installers to perform a survey of your property to determine whether you have got cavity wall insulation installed.

If you don’t have a cavity wall installed, you should consider installing cavity wall insulation to reduce your energy bills. Not only will a cavity wall save you money, it’ll make your home warmer during the winter and cooler throughout the summer.

The value of your property could be increased and it’s quick and easy to install, don’t hesitate to contact A&M Energy today!