https://scientific-programs.sc....ience/wiki/Landlord_
How Long Does a Gas Safety Certificate Last? A gas safety certificate is a document which shows that all gas appliances within the house have been tested for safety. This check is required by landlords each year. The gas engineer who checks your home will issue an CP12 form (previously called Corgi Proforma 12). It is essential to select an engineer who is registered to ensure you get the most efficient service. Valid for a period of one year A gas safety certification is a d