https://trade-britanica.trade/....wiki/Why_You_Should_
https://theflatearth.win/wiki/....Post:Ten_Gas_Safety_
Gas Safety Checks For Landlords If you are a landlord then it is your legal duty to make sure that any gas devices or flues that you own and supply to your tenants have routine gas safety checks. This includes HMOs and properties that are not certified as an HMO. This is a requirement under the law and you will need to get your CP12 certificate from a Gas Safe signed up engineer