A single failed fire door can cost an HMO landlord far more than a new hinge. Fire and rescue authorities routinely serve enforcement and prohibition notices when HMO fire door checks have been skipped and doors are found propped open, painted over or missing a working self-closer. A prohibition notice can bar tenants from part of your property overnight, and under the Regulatory Reform (Fire Safety) Order 2005 the fines that follow are unlimited, with imprisonment on the table in the worst cases. Your insurer reads the same evidence: if a claim traces back to a fire door you never checked, cover can be refused.
So getting your fire door inspection frequency right, and knowing exactly what each check should cover, is not paperwork for its own sake. It is the difference between a door that holds smoke and flame back for the full 30 minutes it was rated for and one that fails in the first two. This guide sets out what the law actually demands, how often you need to look, and the specific defects that decide whether a door passes or fails.
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What the Fire Safety (England) Regulations 2022 require
The Fire Safety (England) Regulations 2022 came into force on 23 January 2023 and introduced hard checking duties for fire doors in multi-occupied residential buildings. Two of those duties are tied to building height. In any building with a storey more than 11 metres above ground level, the responsible person must check all fire doors in the communal parts at least every three months, and make best endeavours to check every flat entrance door at least once a year. In practice, 11 metres means roughly a fifth storey or higher, so these specific duties bite on blocks of flats rather than the average converted house.
One duty applies to every multi-occupied residential building regardless of height: you must give residents clear information on the importance of fire doors, telling them not to prop doors open, to keep self-closers working and to report any faults. There is more detail on the wider building duties in our guide to the Fire Safety (England) Regulations 2022 for HMOs. These regulations are England only. Scotland and Wales run separate regimes, so if your property sits over the border, check the rules that apply there.
Fire door inspection frequency for a typical HMO
Most HMOs are two or three storey houses, well under 11 metres, so the strict quarterly and annual duties above do not technically apply. That trips a lot of landlords into thinking fire doors need no scheduled checking at all. They are wrong, and the reason is Article 17 of the RRO 2005.
Article 17 requires you to keep all fire safety measures, fire doors included, in an efficient state, in efficient working order and in good repair. That is a continuous duty with no height cut-off. It does not name a frequency, which is where good practice fills the gap. The LACORS Housing Fire Safety Guidance, which nearly every council licensing team treats as the benchmark, expects landlords to inspect and maintain fire doors as part of a routine regime.
A sensible schedule for an ordinary HMO looks like this:
- Every six months as a baseline for communal fire doors and room or flat entrance doors, moving to quarterly for larger, higher-turnover or higher-risk properties.
- At every routine visit, a quick visual look at every fire door while you are on site for other reasons.
- Before each new tenancy, a full check so you let the room with the door in known good order.
- After any works near a door, since a decorator painting a frame or a plumber running a pipe can undo a door's rating in minutes.
Communal fire doors carry the highest load because they protect the escape route everyone shares, so treat them as the priority. Our guide to fire safety in HMO communal areas sets out how those doors fit the wider protected route.
What to look for during HMO fire door checks
A proper check is systematic. Work through the same points on every door so nothing slips past you. You do not need to be an accredited inspector to run these checks, but you do need a gap gauge or a set of feeler gauges and a few minutes per door.
Gaps around the door
The gap between the door leaf and the frame should be even and sit between roughly 2mm and 4mm along the top and both sides. Too tight and the door binds and will not latch; too wide and smoke pours through. At the bottom, the threshold gap should generally be no more than 8mm, or around 3mm where a cold smoke seal is fitted. Run your gauge around the whole perimeter, not just one spot, because a door can drop on its hinges and open a gap at one corner only.
Intumescent and smoke seals
Intumescent strips sit in the top and sides of the door or frame and swell in heat to close the gap. They must run continuously with no missing sections, tears or paint clogging them. A cold smoke seal, usually a brush or fin, stops smoke passing at normal temperatures. If either is missing, damaged or painted over, the door cannot do its job.
The self-closer
Every fire door in an HMO needs a working self-closing device. Open the door fully, let go, and watch it close completely and latch into the frame from any angle, including the last few centimetres where cheap or worn closers often stall. A door that stops short of the latch is effectively a hole in your fire separation. Overhead closers rated to BS EN 1154 are the reliable choice; concealed chain closers are the usual culprits when a door fails to shut.
Hinges, latch and ironmongery
Fire doors normally need three hinges, all CE or UKCA marked and fire rated. Check every screw is present and tight, that hinges are not bent or leaking oil, and that the latch engages firmly. Loose or missing screws are one of the most common defects and one of the easiest to fix.
Glazing and vision panels
Any glazing in a fire door must be fire rated, held in place with the correct intumescent glazing system and beading, and free of cracks. You cannot swap in ordinary glass. If a vision panel has been altered or the glazing looks like a later addition, treat it as suspect until proven otherwise.
The leaf and frame
Inspect the door leaf and frame for damage, warping, splits and holes. Old lock changes, drilled cable runs and cat flaps all breach the door and void its rating. A leaf that has been planed down to fit is a frequent failure, because taking off timber can expose the internal core and destroy the certified specification. Look too for a certification label or plug, usually on the top or hinge edge, which tells you the door was manufactured to a tested standard.
Keeping records that stand up
A check you cannot evidence is a check you did not do, as far as a fire officer or licensing inspector is concerned. Keep a simple log for each inspection recording the date, the location of every door, the defects found, the action taken and who carried it out. Dated photographs of any defect and its repair are worth keeping alongside the log.
These records feed straight into your fire risk assessment and your HMO licence file, and they are the first thing an inspector asks for if there is ever an incident. A tidy, consistent history of checks is also your strongest defence if an insurer questions whether you maintained the doors.
Repair or replace?
Many defects are genuine repairs. Missing or damaged intumescent strips, worn self-closers, loose hinges and failed latches can all be put right with certified, like-for-like parts, and doing so promptly is exactly what Article 17 expects. The golden rule is that replacement components must match the door's tested specification: never fit a random closer or paint over a seal to tidy it up.
Replacement of the whole doorset is the right call when the leaf is warped, split or has been planed down, when previous botched repairs have compromised the core, when holes have been drilled through the door, or when there is no way to prove the door was ever fire rated in the first place. An unlabelled, unknown door is not a fire door until proven otherwise. When you do replace, buy a third-party certified doorset and have it installed to BS 8214, the code of practice for timber fire door assemblies, so the whole assembly of leaf, frame, seals and ironmongery works as one tested unit. For the wider rules on ratings and where doors are required, see our guide to HMO fire door regulations and compliance.
Next steps
Put a fire door check schedule in your diary now: six-monthly as a baseline, quarterly for larger or busier properties, a visual look at every routine visit and a full check before every new let. Log what you find, fix small defects with certified parts straight away, and replace any door you cannot prove is fire rated. That single routine keeps you the right side of both the RRO 2005 and your insurer.
If you want the fire doors folded into a full assessment rather than checked in isolation, FRASafe guides you through a BS 9792:2025-aligned fire risk assessment, free to complete, with a council-ready PDF for £45. It prompts you through the fire door, escape route and alarm questions in order, so nothing gets missed and you finish with a document an inspector will accept.
