Electrical work building regulations

England-first homeowner guide to electrical work building regulations, covering likely building-control routes, drawings, inspections, certificates, evidence and planning handoffs.

Short answer

Some domestic electrical work is notifiable under Part P. Registered electricians can often self-certify covered work, but homeowners should still check registration and keep certificates.

Use this guide to brief the right people before work starts. It is not approval, and it cannot replace the judgement of building control, a designer, engineer or registered installer.

For the planning permission side, use UKPlanningGuide. Keep that separate from building regulations approval and completion evidence.

What usually triggers extra checks

  • New circuits
  • Consumer unit changes
  • Work in bathrooms or special locations
  • Electrical work as part of a larger project

Route options to discuss

Use a registered electrician where possible. If the installer cannot self-certify notifiable work, ask building control what notification route applies before work starts.

Evidence to keep

  • Electrical installation certificate
  • Building regulations compliance certificate if applicable
  • Installer scheme details
  • Circuit schedule and test results

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 electrical work 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.

Next useful checks

Building Control Route Checker

Chooses likely next route: planning-first, full plans, building notice, competent person, regularisation, or specialist advice.