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Common projects: Extensions

Planning Permission

Whether or not you need to apply for planning permission to build an extension depends on a number of factors including the size of the extension.

Read more on extensions and planning permission.


Building Regulations

Most extensions of properties require approval under the Building Regulations.

There are a number of classes of new buildings or extensions of existing buildings that do not need Building Regulations approval, i.e. are exempt from the Regulations.

• Read more about exemptions (In our Professional Users section).
• Read more about extensions and building regulations.