Become a FENSA Approved Installer

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This form should be completed by any company wishing to join the FENSA scheme for the self-certification of replacement windows, roof lights, roof windows and doors in existing dwellings in England and Wales for conformance with the applicable Building Regulations. If you need help completing the form please call the FENSA team on 020 7645 3700 or email us at application@fensa.org.uk

View our Company Registration Number guide.

If you wish to reopen a previously submitted, unpaid application, please click here.