Windows and doors building regulations
Glazing, safety, thermal performance, ventilation and certificate evidence.
Short answer
Glazing, safety, thermal performance, ventilation and certificate evidence.
For the planning permission side, use UKPlanningGuide. Keep that separate from building regulations approval and completion evidence.
What usually triggers extra checks
- Structure, fire safety, drainage, insulation, ventilation or controlled services
- Work already started or completed without clear records
- Missing certificates or unclear handover evidence
- Anything involving flats, higher-risk buildings or work outside England
Route options to discuss
Compare full plans, building notice, competent person self-certification, regularisation and specialist advice. The right route depends on risk, timing, drawings, installer registration and what building control wants to inspect.
Evidence to keep
- Application references and notices
- Drawings, specifications and calculations
- Inspection dates and site photos before cover-up
- Completion certificate, competent person certificate and commissioning records
Mistakes to avoid
Do not assume planning permission, permitted development or a builder's quote answers the building regulations question. Do not cover up work before required inspections. Do not rely on a certificate claim without checking who issues it and how you will receive a copy.
Common questions
Does windows and doors building regulations need building regulations approval?
Often yes, especially where the work changes structure, fire safety, insulation, ventilation, drainage, electrics or heating. The exact route depends on the specification and building control body.
Can planning permission and building regulations be separate?
Yes. Planning permission controls whether development is allowed in planning terms; building regulations deal with safety, energy, ventilation, drainage, structure and completion evidence.
What should I keep for sale or remortgage?
Keep the application reference, drawings, inspection notes, photos before work is covered, installer certificates and the completion certificate or equivalent evidence.