Gas safety is one of the oldest duties in the rental rulebook and one of the least forgiving. The Gas Safety (Installation and Use) Regulations 1998 set out what you have to do, and the Health and Safety Executive enforces them. A landlord who ignores them can face an unlimited fine, and in the worst cases prosecution. So this is worth getting exactly right.
The annual check
Every gas appliance and flue that you provide for the tenant's use must be checked for safety at least every 12 months. That covers the boiler, the gas hob, a gas fire, and the associated pipework and flues. It does not cover an appliance the tenant owns and brought with them, though the connecting installation and flue can still be your responsibility.
The check must be done by an engineer registered with Gas Safe. This is not the same as being a plumber or a heating engineer in general terms. The engineer's registration card lists the specific types of work they are qualified to carry out, and you are entitled to ask to see it.
The 12-month rule has a useful piece of flexibility. You can have the check done up to two months before the deadline without losing the original date. So if the check is due on 1 June, you can carry it out any time from 1 April and the next deadline stays 1 June the following year, rather than sliding later each year.
The Gas Safety Record
After the check, the engineer issues a Gas Safety Record, sometimes still called a CP12. It lists each appliance checked, any defects found, and confirms the results of the safety checks. You have to give a copy to the tenant, and the timing matters. An existing tenant should receive it within 28 days of the check. A new tenant should receive it before they move in. Keep a copy yourself for at least two years, because you may need to prove the check was done.
If the tenant is not contactable or refuses access, keep a record of your attempts. The duty is to take reasonable steps to gain access, and a paper trail of letters and visits is what shows you did.
Repairs and defects
If the engineer finds a problem, deal with it. An appliance classified as immediately dangerous should be disconnected, with the tenant's agreement, and not used until it is fixed. One classified as at risk also needs attention. Ignoring a defect noted on the record is exactly the kind of thing that turns an accident into a prosecution.
Getting access
Access is the most common practical problem. Tenants do not always answer, and you cannot force entry for a routine safety check. The regulations expect you to make genuine, repeated efforts, in writing, giving reasonable notice. Booking well before the deadline gives you room to try more than once. If access is genuinely being refused, take advice before the certificate lapses, because a gap in cover is a gap you will have to explain.
Carbon monoxide
Gas safety and carbon monoxide alarms are separate duties that work together. Since October 2022, you must have a carbon monoxide alarm in any room that contains a fixed combustion appliance, which includes gas boilers and gas fires but, under the current rules, not gas cookers. The annual gas check reduces the risk of a leak. The alarm is the backstop if something goes wrong between checks. You need both.
If you use a managing agent
Handing the property to a managing agent does not remove your legal duty, but a written agreement can make the agent responsible for arranging the checks and keeping the records. Make sure the contract says clearly who books the engineer and who holds the paperwork. The commonest failure is each party assuming the other did it. Ask your agent to send you a copy of each new record so you can see the duty has been met, and diarise the renewal date yourself as a backstop.
Put the next check date in your calendar the day the current one is done. Gas safety is not complicated, but it is unforgiving of a missed date, and the date is the thing landlords most often lose track of.
This article is general information, not legal advice. Rules differ across England, Wales, Scotland and Northern Ireland, and they change. Check the current position or take professional advice before acting.
