How Long Does a Gas Safety Certificate Last? <img width="419" src="https://www.mkgassafety.co.uk/wp-content/uploads/2024/10/mk-gas-safety-logo-black-text.png"> A gas safety certificate is a valid document that confirms that the appliances in a property are safe to use. It is issued by a Gas Safe registered engineer and lasts for a period of 12 months. Landlords must
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