Type Of Installation

Max Period Between Inspections

  Domestic Premises  5 – 10 Years
  Commercial Premises  5 Years
  Educational Establishments  5 Years
  Hospitals  5 Years
  Industrial Premises  3 Years
  Cinemas  1 Year
  Places of Public Entertainment  1 Year
  Agricultural & Horticultural  3 Years
  Caravans  3 Years
  Caravan Sites  1 Year
  Launderettes  1 Year
  Petrol Stations  1 Year
  Highway Power Supplies  6 Years
  Temporary Installations  3 Months

It is recommended that buildings over five years old are subjected to a periodic inspection, and as a minimum should continue to be inspected and tested every five years; a report of inspection should be issued, together with test results and any recommendations.