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Will I need building regulations approval for my bay or bow window?

Will I need building regulations approval for my bay or bow window?

Project type

  • Windows & doors
  • Extension
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Building a new bay window is classed as an extension, so you will need building regulations approval.

A bow window is simply a curved window and doesn't increase the floor area and is not classed as an extension.

If you are simply replacing a bay window the same rules apply as for any replacement window, and you will need building regulations approval unless you are using a competent person (use the search above to find one).

Further information

Building regulations applications FAQs

 

(Image above courtesy of https://shutters.co.uk/)