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Electrical safety

What Part P means for your electrical job

Last updated 6 October 2026

The short answer

Part P of the Building Regulations covers electrical safety in homes in England. All electrical work has to meet it, but only some jobs are notifiable: installing a new circuit, replacing a consumer unit, and adding to or altering circuits in a special location such as a room with a bath or shower. Notifiable work is either done by an electrician registered with a competent person scheme, who certifies it and notifies building control, or notified to the council's building control before it starts.

Source: Electrical Safety First (opens in a new tab) / GOV.UK (opens in a new tab)

Notifiable and non-notifiable work

Approved Document P sets out which jobs need to be notified. If the work is not on the list it still has to be done safely and to the wiring regulations; it just does not need building control to know about it.

  • Notifiable: a new circuit, for example for an electric shower, cooker or EV charger.
  • Notifiable: replacing a consumer unit.
  • Notifiable: any addition or alteration to circuits in a special location, such as a room containing a bath or shower.
  • Not notifiable: like-for-like replacement of sockets, switches and light fittings, and adding a socket to an existing circuit outside a special location.

The certificates you should be given

For notifiable work by a registered electrician you should receive an Electrical Installation Certificate (or a Minor Works Certificate for smaller jobs) and, within a few weeks, a Building Regulations compliance certificate from their scheme. Keep them with the property documents.

If the paperwork is missing when you come to sell or let, a conveyancer or letting agent may ask for it. Retrospective sign-off is possible through building control but is slower and dearer than getting it right first time.

Wales and the rest of the UK

Wales has its own version of Part P, and Scotland and Northern Ireland have separate building regulations. This page describes the position in England.

Common questions

Can I do my own electrical work?
You can do non-notifiable work yourself if you are competent, but it must still meet the regulations. Notifiable work done by someone who is not registered has to be notified to building control before it starts, and they will charge to inspect it.
Is fitting an EV charger notifiable?
Usually, yes, because it normally needs a new circuit from the consumer unit.

Source: Electrical Safety First (opens in a new tab) / GOV.UK (opens in a new tab)

General information for England, not legal advice. Check the source before relying on it for a particular property.