Third Party Certification (TPC)


What is TPC?

The Electrical Third Party Certification Scheme was introduced by the UK Government in 2013 for electrical work under Regulations. 


TPC membership requires annual inspections (& subscriptions) during which all company competencies, policies, documentation and methodologies are reviewed and accredited.






NAPIT is one of the leading Government authorised and United Kingdom Accreditation Service (UKAS) accredited membership scheme operators in the building services and fabric sector. There are currently more than 10,000 NAPIT registered installers in the electrical, heating, plumbing, ventilation & air-conditioning, microgeneration and building fabric trades across the UK domestic, commercial and industrial markets. (Source NAPIT)





What is Part-P? 

An electrical safety law, Part P of the Building Regulations, was introduced by the Government on 1st January 2005 with the aim of further enhancing the protection of homeowners and reducing the risk of electric shock when using electricity. The law, which applies to England and Wales aims to improve electrical safety in the home and prevent the number of accidents, which are caused by faulty electrical work. This brings electrical work in the home under statutory control along with other types of building work, such as gas installations.

You can only carry out electrical work yourself if you can inspect and test that it is safe for use. To comply with the law you must notify your local building control office before you begin any work and pay the appropriate fee for them to inspect the work.

What will happen if you don’t follow the regulations?

  • You will have no certificate to prove that the work has been carried out by a registered electrician, or that the work performed has been passed as safe by your local building control.
  • It may be problematic when it comes to selling your home if you cannot produce evidence that electrical work has been carried out in accordance with the Building Regulations
  • It is a criminal offence to carry out work that does not comply with building regulations, with a maximum fine of £5,000
  • Your local building control may insist that you re-do the electrical work