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Electrical safety

Rules for Electrical Safety in the Home

Part P of the Building Regulations applies to fixed mains and extra low voltage electrical installations including:

  • Mains wiring and equipment
  • Extra low voltage lighting
  • Central heating electrics
  • Electronic systems such as intruder and fire alarm systems.

Part P applies to electrical installations in dwelling houses and flats (but not rooms for residential purposes) and to extensions to electrical installations in the following which are exempt from Schedule Two of the Building Regulations but not the requirements of Part P:-

  • Conservatories
  • Porches
  • Gardens
  • Garages

Competent Person Scheme

If you intend to use a Competent Person Scheme for electrical works you do not need to make a Building Regulation application to us.



  • Email: buildingcontrol@powys.gov.uk
  • Phone: 01874 612290
  • Address: 
    • Brecon Office - Neuadd Brycheiniog, Cambrian Way, Brecon, Powys, LD3 7HR
    • Llandrindod Wells Office - County Hall Llandrindod Wells LD1 5LG
    • Welshpool Office - Neuadd Maldwyn, Severn Rd, Welshpool SY21 7AS
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