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Do I need Building Regulations approval to install replacement windows, doors or roof lights in my house?

Yes, an application for Building Regulations Approval for the installation of replacement windows, doors and/or roof-lights will be required, unless the installer is registered on one of the following Competent Person Schemes:-

  • BM Trada Certification Limited,
  • British Standards Institution (BSI),
  • CERTASS Limited,
  • Fensa Limited or
  • NETWORK VEKA Limited.

However, where an opening is to be enlarged an application for Building Regulations approval will be required irrespective of the fitters registration on one of the a fore mentioned schemes.


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