Is an FD30S fire door a legal requirement in an HMO?

No single door type is set by law for every HMO. Fire doors, typically FD30 or FD30S with self-closers, are commonly required depending on the layout, size, fire risk assessment and council standards. In some lower-risk houses, sound self-closing solid doors may be accepted.

What fire alarm does an HMO need?

There is no single alarm grade set in law for every HMO. A mains-wired interlinked system is commonly required, with the type and coverage set by the fire risk assessment, the LACORS guidance and the council's HMO standards. Ask your council what it expects for your house.

Do I need a fire risk assessment for a shared house?

The Fire Safety Order requires one for the common parts of HMOs. Some fire services, including Warwickshire Fire and Rescue, say the Order does not apply in the same way to a whole house let to one group. A written assessment is still good practice.

Who enforces fire safety in HMOs?

The local fire and rescue authority enforces the Fire Safety Order in common parts. The council enforces housing law, including licensing, the HMO management regulations and the housing health and safety rating system. Both can be involved with the same house.

Where are carbon monoxide alarms needed in an HMO?

In every room with a fixed combustion appliance, such as a gas boiler or a wood burner, other than a gas cooker. Alarms must be checked as working on the first day of each new tenancy and repaired or replaced once you are told they are faulty.

HMO fire safety: the rules for landlords in England

Which fire safety rules apply to an HMO?

Fire safety in an HMO is not covered by a single law. Several regimes overlap, and different bodies enforce them:

The Regulatory Reform (Fire Safety) Order 2005 applies to the common parts of HMOs, such as shared halls, stairs and landings. The local fire and rescue authority enforces it.
The Housing Act 2004 lets the council take action on fire risk under the housing health and safety rating system, and set fire safety conditions in HMO licences.
The Management of Houses in Multiple Occupation (England) Regulations 2006 require the manager to keep escape routes clear and to maintain fire-fighting equipment and alarms.
The smoke and carbon monoxide alarm rules set minimum alarm duties for private lettings.
The Building Regulations 2010 apply fire safety requirements to conversions and building work.

Because the rules overlap, the practical question is usually what the fire risk assessment and your council's licensing team say the house needs.

Does the Fire Safety Order apply to my HMO?

The Fire Safety Order does not cover the inside of private dwellings, but it does cover the common parts of HMOs and of buildings containing two or more homes. Since 16 May 2022, following the Fire Safety Act 2021, it also expressly covers the structure, external walls and flat entrance doors of buildings with two or more sets of domestic premises.

Where it applies, the responsible person, usually the landlord or the managing agent, must carry out a fire risk assessment and keep it up to date.

What about a shared house let to one group?

Fire services do not treat every HMO in exactly the same way. Warwickshire Fire and Rescue, for example, says the Order applies to the common parts of HMOs but not to shared houses let as a whole to a single group. Whether the Order applies to your house can depend on how it is let and laid out, so check with your local fire and rescue authority.

Even where the Order may not apply, the council can still act on fire risk under the Housing Act 2004 and through licence conditions. A written fire risk assessment is good practice in any HMO, and licensing teams often ask to see one.

What is an HMO fire risk assessment?

A fire risk assessment is a structured, written review of the fire risks in a building and the measures in place to deal with them. For an HMO it typically covers:

sources of ignition and fuel, such as kitchens, heaters, electrical equipment and stored items;
the people at risk, including anyone who may need help to escape;
the escape route from each room to the outside, and how well it is protected;
fire doors, self-closers, the alarm system and emergency lighting;
management arrangements, such as testing, inspection and keeping routes clear;
a prioritised list of actions with dates.

Review the assessment when something changes, for example after building works, a change in the number of occupiers or a fire. The Home Office guide Fire safety risk assessment: sleeping accommodation covers HMO common areas and points readers to the LACORS guidance for housing. Our HMO fire risk assessments give a written report with a clear action list.

What is the LACORS guidance and is it law?

The LACORS guidance, Housing: Fire Safety, was published in 2008 as guidance on fire safety in existing residential buildings, including HMOs. It is not legislation, but councils still widely use it as their benchmark when assessing existing HMOs, and the Home Office sleeping accommodation guide refers readers to it.

The guidance is risk-based. It states that it does not set prescriptive requirements. Instead it describes typical solutions for common house types and expects the measures to match the risk:

For a three-storey shared house, it treats a 30-minute protected escape route with FD30 fire doors as the ideal.
In a lower-risk house of sound construction, it may accept good-quality, close-fitting, self-closing solid doors instead.

So two HMOs with the same number of rooms can need different work, depending on storeys, layout, construction and who lives there. Be wary of anyone who quotes a single standard package for every house without looking at it first.

What fire safety measures does an HMO usually need?

Fire doors (typically FD30 or FD30S with self-closers) and a mains-wired interlinked alarm system are commonly required, depending on the property's layout, size and fire risk assessment, and the local council's HMO standards.

Other measures that may be needed, again depending on the risk, include:

a protected escape route, with fire-resisting walls and ceilings to the hall, stairs and landings;
fire-stopping where pipes and cables pass through walls and floors;
emergency lighting on escape routes, particularly in larger or more complex houses;
a fire blanket in each shared kitchen;
locks on bedroom and final exit doors that open from the inside without a key;
fire separation between the HMO and any commercial premises or cellar below.

We do not quote a single alarm grade or door rating as a legal requirement, because the guidance does not set one for every HMO. The specification follows the fire risk assessment and the council's standards, and our HMO fire safety works are specified that way.

What are the smoke and carbon monoxide alarm rules?

The Smoke and Carbon Monoxide Alarm (England) Regulations 2015, as amended from 1 October 2022, set the minimum for private rented homes:

a smoke alarm on every storey that has living accommodation;
a carbon monoxide alarm in every room with a fixed combustion appliance, such as a gas boiler or a wood burner, but not a gas cooker;
alarms checked as working on the first day of each new tenancy;
faulty alarms repaired or replaced once the landlord is told about them.

The penalty for a breach can be up to £5,000. For licensed HMOs, the same duties apply through the mandatory licence conditions rather than through the regulations themselves.

These rules are a minimum. In an HMO, the fire risk assessment and the council's standards commonly call for a fuller, interlinked system, so stand-alone alarms are often not enough on their own.

What fire safety duties does an HMO manager have?

Regulation 4 of the HMO management regulations puts specific fire safety duties on the manager of every HMO, licensed or not:

keep the means of escape from fire free from obstruction and in good repair;
maintain fire-fighting equipment and fire alarms in good working order;
display fire escape notices where the house has more than 4 occupiers.

Breaching the regulations is an offence under section 234 of the Housing Act 2004, and the maximum civil penalty is £40,000.

In practice this means checking that fire doors close fully onto their frames, that nobody has wedged them open or removed a self-closer, that bikes, bins and furniture are kept out of the hall and stairs, and that alarms are tested and serviced with a written log. Occupiers have their own duties under regulation 10. Our guide to HMO management duties covers the full list.

Do HMO conversions need building regulations approval for fire safety?

Often, yes. Under the Building Regulations 2010, a material change of use includes a building gaining more or fewer dwellings, a building newly containing a room for residential purposes (such as a bedsit-style letting room), and a change in the number of such rooms. Where there is a material change of use, the converted building must meet set requirements, including fire safety parts B1 to B5, which cover means of warning and escape, internal linings, internal structure, external and roof fire spread, and access for the fire service. Sound insulation, ventilation, drainage, electrical safety and energy requirements can also apply.

Whether a particular change counts as a material change of use depends on the facts. A shared house let as one dwelling may not be one, while bedsit-style rooms are. Separately, the building work itself, such as structural alterations, new kitchens and bathrooms, drainage, fire separation and electrics, normally needs building control approval or a competent person scheme.

Approved Document B Volume 1 says it may be applied to HMOs with no more than 6 residents. Licensing teams may still ask for more than the building regulations minimum, so design the fire strategy to satisfy both.

Work is signed off by local authority building control or a registered building control approver. A private approver gives the council an initial notice before work starts. Retrospective regularisation is available only from the council.

Sources

This guide explains the rules in England as we understood them in October 2026. It is general information, not legal or financial advice. Check with your council and take professional advice for your own situation.

HMO fire safety for landlords