https://hviid-honore-3.technet....bloggers.de/what-is-
How Long Does a Gas Safety Certificate Last? A gas safety certificate is an official document that confirms the safety operation of appliances in a house. It is issued to you by a Gas Safe registered Engineer and is valid for 12 months. Landlords must renew their certificates annually and provide a copy of the certificate to any new tenants within 28 days from their commencement date. The inspection should be performed by an Gas Safe engine