https://mcallister-allen.hubst....ack.net/the-reasons-
https://jacobs-stevens-2.mdwri....te.net/24-hours-to-i
How Long Does a Gas Safety Certificate Last? A gas safety certificate is a formal document that confirms the safety operation of the appliances in a home. It is issued 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