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Start by asking the Gas Safe registered engineer or company that carried out the check: they keep a record and can usually issue a copy. Landlords must keep records for at least two years, so a copy should exist. If you cannot get one and aren't sure the check is current, book a fresh check.
Reviewed by Jordan Valentine-Dunn, Gas Safe registered engineer · Portsmouth Gas Heating · Last reviewed July 2026
Losing a gas safety certificate is common and usually easy to fix. The record is not only held by you: the engineer or company that carried out the check keeps their own copy, so the first move is simply to ask them for another.
The Gas Safe registered engineer or company that carried out the check keeps a record of it and can usually issue you a copy. This is the quickest route.
Landlords must keep gas safety records for at least two years, so if you are a landlord a copy should already exist somewhere in your files or emails.
If you genuinely cannot get a copy and you are not sure the check is still current, the safest route is to book a new gas safety check.
Only a Gas Safe registered engineer can carry out the check and issue a valid record, so a replacement must come from a registered engineer, not a reprint from an unqualified source. This is general information, not legal advice.
Last reviewed July 2026. This guide is general information, not legal or safety advice, gas safety work must be carried out by an appropriately Gas Safe registered engineer. Rules can change, so check the linked official sources for the current position.