If you own or manage a House in Multiple Occupation (HMO) in London, a fire risk assessment isn't optional paperwork — it's a legal duty, and one that London's enforcement authorities take seriously. With HMOs carrying a significantly higher fire risk than single-family lets, landlords who get this wrong face far more than a slap on the wrist.
Here's what you actually need to know.
What Counts as an HMO?
A property is generally classed as an HMO if it's occupied by three or more people from two or more separate households who share facilities such as a kitchen or bathroom. Many London boroughs go further, operating additional or selective licensing schemes that bring even more privately rented properties into scope — so it's always worth checking your specific borough's rules, not just the national baseline.
The Legal Requirement
The core legal duty comes from the Regulatory Reform (Fire Safety) Order 2005 (RRFSO). It applies to the common parts of any multi-occupied residential building — hallways, landings, shared kitchens, stairwells, and communal lounges — and it places responsibility squarely on the "Responsible Person," which in most cases means the landlord or managing agent.
Under the Order, the Responsible Person must:
- Carry out a suitable and sufficient fire risk assessment of the common parts
- Identify fire hazards and the people at risk
- Put in place, and maintain, adequate fire precautions
- Keep the assessment under regular review, and update it whenever the building, its use, or its occupants change
- Ensure the assessment is carried out by a competent person
This duty applies regardless of the size of the HMO or whether it's formally licensed. If you manage shared housing in London, the RRFSO applies to you.
On top of this, the Housing Act 2004 and your local authority's licensing conditions add further requirements for licensable HMOs — including specific fire alarm grades, fire door standards, and escape route provisions that go beyond the general RRFSO duty. These borough-level conditions are not just best-practice guidance; they form part of your legal obligations as a licence holder.
Why London Enforcement Is Particularly Strict
The London Fire Brigade and London borough councils have a well-established track record of enforcing fire safety standards in shared housing, and HMOs are a recognised priority area. This is because HMOs statistically carry a higher risk of fire, and because a single event can put multiple unrelated households in danger at once — escape routes, compartmentation, and early warning systems all matter more than they would in a single-family home.
A missing or inadequate fire risk assessment is treated as a serious compliance failure, and enforcement teams do not need much persuading to act on it.
What Happens If You Don't Comply
The consequences of non-compliance for HMO landlords in London can be severe:
- Unlimited fines, with no upper cap set by the courts
- Prohibition or improvement notices, which can restrict or close down use of the property until issues are resolved
- Rent Repayment Orders, allowing tenants to reclaim rent paid during a period of licensing or safety non-compliance
- Criminal prosecution, in the most serious cases — including for landlords who fail to act on known hazards
- Loss of your HMO licence, effectively ending your ability to legally operate the property as shared housing
- Invalidated insurance, if a claim arises and the property is found not to have been compliant
Councils increasingly expect to see documented evidence, not just a completed assessment sitting in a drawer — think alarm test logs, emergency lighting checks, and fire door inspection records, alongside the assessment itself.
What a Fire Risk Assessment Actually Covers
A proper HMO fire risk assessment isn't a five-minute walkthrough. A competent assessor will examine:
- Escape routes and means of final exit
- Fire detection and alarm systems (grade and category appropriate to the property)
- Fire doors, self-closers, and compartmentation between units
- Structural fire separation between flats/rooms
- Emergency lighting in common areas (for larger HMOs)
- Furnishings and fire loading in shared spaces
- Electrical installations and obvious ignition risks
The output should be a clear, written report: a risk rating, a list of identified hazards, and a prioritised action plan for addressing them — not just a tick-box form.
How Often Should It Be Reviewed?
As a general rule, treat your fire risk assessment as valid for around 12 months, or sooner if:
- There's a change to the building's layout or use
- Occupancy changes significantly
- Works are carried out that affect fire safety (renovations, conversions, new tenants)
- A fire incident occurs, however minor
An assessment that's a few years old — even if nothing has visibly changed — is unlikely to satisfy an inspecting officer or hold up if something goes wrong.
Can You Do It Yourself?
Technically, the law requires only a "competent person," not necessarily an external professional. In practice, this is one area where cutting corners carries real risk. HMO fire safety involves technical judgements — alarm grading, fire door specification, compartmentation standards — that go well beyond common sense, and a DIY assessment offers you none of the legal protection that a properly documented, professional assessment provides if things are later challenged.
The Bottom Line
If you're managing an HMO anywhere in London, the question isn't whether you need a fire risk assessment — it's whether yours is current, thorough, and properly documented. Given the scale of the fines, the risk of licence revocation, and above all the safety of your tenants, this is not an area where "good enough" should apply.
Whale Fire Ltd carries out professional fire risk assessments for HMO landlords and managing agents across London, giving you a clear, compliant, and properly evidenced assessment — and the peace of mind that comes with knowing your legal duties are covered. Get in touch to discuss your property. Contact Us - Whale Fire
