Your tenant won't let the gas engineer in. What now?

Updated July 2026 · Based on official gov.uk guidance · General information, not legal advice

This is one of the nastiest binds in residential letting. You have an absolute duty under the Gas Safety (Installation and Use) Regulations to have every gas appliance and flue checked annually by a Gas Safe registered engineer. Your tenant has a right to quiet enjoyment of their home. When the tenant simply will not open the door, the two collide — and the law does not give you a clean way through.

You cannot force entry, and the court will not make them let you in. The courts have confirmed there is no power to order a tenant to give access for a gas safety inspection — an injunction requiring entry is not available. In reality you have two routes: start possession proceedings, or — if a court has already ordered the tenant to give access — go back to court because they have broken that order. Not a locksmith. And do not force entry yourself: harassment and illegal eviction are criminal offences.

What actually protects you: the paper trail

Because you cannot compel access, the regulations effectively accept that a landlord who has taken all reasonable steps to comply is not in breach. That defence lives or dies on your records, so keep every one of them, including the ones that feel excessive.

Work through this sequence, and keep a copy of every single item:

Written appointment, properly notified. At least 24 hours' written notice of the date and time, at a reasonable hour. Email plus text is fine; keep both.
Offer alternatives. Two or three dates, including an evening or Saturday slot if your engineer will do it. "They only offered one Tuesday morning" reads badly later.
Second and third attempts, in writing. Each with fresh notice. Ask the engineer to log the no-access visit and give you a written record — an engineer's no-access note carries far more weight than your own diary entry.
A formal warning letter. Explain plainly that the check is a legal safety requirement, that refusing access is a breach of their tenancy agreement, and that you may have to consider further steps. Keep the tone factual, not threatening.
Consider capping the supply. If you genuinely cannot get access and you are concerned, you can ask your engineer about isolating the gas supply. Take advice first — leaving a household without heating or hot water has its own legal consequences.

Before you escalate, ask why. A surprising proportion of access refusals are not defiance. Shift work, a new baby, anxiety about strangers in the home, embarrassment about the state of the property, an undisclosed occupant, or a language barrier. One phone call offering a Saturday slot resolves more of these than three solicitor's letters. It is also cheaper and keeps a good tenant.

If it becomes a possession issue

Persistent refusal of access is a breach of an obligation of the tenancy, which points at Ground 12 — a discretionary ground with a two-week notice period. Discretionary means the court decides whether it is reasonable to evict. A judge will want to see exactly the evidence trail above: repeated proper notice, reasonable alternatives offered, a clear explanation of why it matters, and the tenant's response. Turn up with one unanswered email and you will lose.

Be realistic about proportionality too. A judge is unlikely to evict a family over a missed appointment they later apologised for. The ground is for the tenant who has refused for a year and ignored every letter.

Do not let the certificate lapse quietly. Whatever happens with access, an expired gas safety record is a compliance failure in its own right and it will show up the moment anything else goes wrong. If you are chasing access, start chasing it a good six to eight weeks before the current certificate expires, not the week after.

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