When it comes to buying a home it’s the little things after you move in which can make a difference. One thing often overlooked when viewing properties is to check with the vendor has cavity wall insolation or not.
It won’t make you rich but over 10 years living in a detached house it would pay for a holiday away in energy bill savings… Not bad.
This website is great for a bit of fact finding https://www.energysavingtrust.org.uk/home-insulation/cavity-wall
Here is their breakdown on the average annual savings in the UK.
Detached average energy bill savings is £255.
Semi Detached average energy bill savings is £150.
Mid Terrace average energy bill savings is £90.
Bungalow average energy bill saving is £105.
Apartment average energy bill saving is £70.
It only become mandatory for new builds in the 90s so if you are viewing properties older there are a few ways of checking via the brickwork.
The trick is look at the walls and find the dots of cement between the bricks where the holes were made while the process took