Scope of Part P
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- Part P applies to electrical installations in buildings or parts of buildings comprising:
- Dwelling houses and flats
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- Dwellings and business premises that have a common supply
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- Common Access areas in blocks of flats such as corridors and staircases
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- Shared amenities of flats such as laundries and gymnasiums
- Part P also applies to parts of the electrical installations that are;
- In or on land associated with the buildings i.e. fixed lighting and pond pumps in gardens
- In outbuildings such as sheds, detached garages and greenhouses
- Part P will also apply where a business premises and a dwelling share the same electricity supply meter.
- Consider the example of a shop with a flat above
- If they had separate supply meters, then Part P will apply to the flat, but NOT to the shop
- If they share a meter then Part P will apply to both