Windows

Do you need to apply for approval?

You do need to apply for approval for:

• Non-domestic buildings
• Windows not being installed by an approved installer registered with a competent person scheme on domestic properties

You do not need to apply for approval if:

• Windows are installed by an approved installer on domestic properties
• You are replacing glazing (e.g. smashed window)
• You are repairing rotten framework

Apply for approval

• Replacement window approval application form

Find an approved installer

• Find a FENSA window fitter - FENSA website
• CERTASS
• Assure Certification website

Fees

Fees must be paid at the time of applying.

• Charges: Domestic Alterations (Replacement Windows, Electrics, Re-Roofing etc)

Technical guide

• Replacement windows technical guide