Part P of the Building Regulations (England and Wales) was introduced by the Government on January 1st 2005. It is designed to reduce accidents caused by faulty electrical installations and to prevent incompetent installers from leaving electrical installations in an unsafe condition.

Part P applies to the following situations:
- Dwelling houses and flats
- Dwellings and business premises that have a common supply eg shops that have a flat above
- Common access areas in blocks of flats such as corridors or staircases
- Shared amenities in blocks of flats such as laundries or gyms
- In or on land associated with dwellings – such as fixed lighting or pond pumps in gardens
- Outbuildings such as sheds, detached garages and greenhouses
Which jobs are notifiable?
The following is a quick checklist of for you to print off and keep reproduced from the NAPIT website. Click on the link below to go to the NAPIT website.
Working Area | Extensions and modifications to circuits |
New Circuits |
Bathrooms | Yes | Yes |
Motorised Drive gates / Garage Doors | Yes | Yes |
Shower Rooms | Yes | Yes |
Bedrooms | No | Yes |
Bedrooms (containing a shower or basin) | Yes | Yes |
Kitchens | Yes | Yes |
Kitchen Diners (within 3m of the sink) | Yes | Yes |
Lounge / Dining Room | No | Yes |
Halls / Stairways/ Landing | No | Yes |
Studies | No | Yes |
Conservatories | No | Yes |
Saunas | Yes | Yes |
Swimming Pools | Yes | Yes |
TV Rooms | No | Yes |
Communal Areas of Flats (e.g Entrance Hall) | Yes | Yes |
Extra Low Voltage (ELV) Non Pre-Assembled CE Marked Lights | Yes | Yes |
Integral Garages | No | Yes |
Remote Garages | Yes | Yes |
Remote Building incl Workshops | Yes | Yes |
Garden - Lighting or Power | Yes | Yes |
Sheds or Greenhouses | Yes | Yes |
Ceiling Heating (Overhead) | Yes | Yes |
Underfloor Heating | Yes | Yes |
Small Scale Generators | Yes | Yes |
Solar Power Systems | Yes | Yes |
Computer Cabling | No | No |
Telephone Cabling | No | No |