House extension

House with extension

How much does an extension cost in 2021?

Average house extension prices are between £15,000 to £125,000 , but this varies depending on the type of extension you want to have.

Find out more about the cost of extensions in this guide from the National Association of Building Contractors .

How Much Does an Extension Cost?

Vetted Builders

Let's get straight to the point.

The average house...