Part P
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:
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Dwelling houses and flats
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Dwellings and business premises that have a common supply eg shops that have a flat above
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Common access areas in blocks of flats such as corridors or staircases
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Shared amenities in blocks of flats such as laundries or gyms
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In or on land associated with dwellings – such as fixed lighting or pond pumps in gardens
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Outbuildings such as sheds, detached garages and greenhouses
Approved Document P is called ‘Electrical Safety’ and will be complied with if the standard of electrical work meets the ‘Fundamental Requirements of Chapter 13 of BS7671:2001’.
Section P1 of Part P states:
‘Reasonable provision shall be made in the design, installation, inspection and testing of electrical installations in order to protect persons from fire and injury’
Section P2 of Part P states:
‘Sufficient information shall be provided so that persons wishing to operate, maintain or alter an electrical installation can do so with reasonable safety’
Part P applies only to fixed electrical installations that are intended to operate at low voltage or extra-low voltage which are not controlled by the Electricity Supply Regulations 1988 as amended, or the Electricity at Work Regulations 1989 as amended.
Note 1: The Workplace (Health, Safety & Welfare) Regulations (1992) apply in common parts of flats and similar buildings if people such as cleaners and caretakers are employed to work in them.
Note 2: The Electricity at Work Regulations (1989) cover all electrical work carried out professionally and the competence of the individuals carrying out that work
Note 3: Part P is concerned with safety and does not directly cover system functionality
Note 4: Part P does not specifically cover dwellings in places of work normally covered by the Electricity at Work Regulations (1989), such as caretakers flats in schools, MOD barracks etc.


