https://trade-britanica.trade/....wiki/The_Reason_Milt
Why Landlords Need a Gas Safety Certificate All landlords must make sure that their properties have a valid Gas Safety Certificate (CP12) in place. This certification proves that a qualified engineer has checked all gas appliances and flues within a property, and that they are safe to use. Gas Safe engineers all carry an ID card with a photo. It is recommended that you see it before any work occurs on your property. The card confirms the engineer's registration on the Gas Safe Re