Fire Safety in HMOs — A Landlord's Practical Guide
HMO fire safety law is layered, locally varied and aggressively enforced. This guide walks through what an HMO landlord must do, what good looks like, and where most fall down.
The layered regime
HMO fire safety sits across:
- Regulatory Reform (Fire Safety) Order 2005 — common parts
- Housing Act 2004 — building-wide standards
- Smoke and Carbon Monoxide Alarm Regulations 2015 (amended 2022) — alarms in habitable rooms
- Electrical Safety Standards (Private Rented Sector) Regulations 2020 — 5-yearly EICR
- HMO Licence conditions — locally varied, often specific to fire safety
What "HMO" means
An HMO is a property where three or more unrelated occupants share basic facilities (kitchen, bathroom). The Housing Act 2004 distinguishes:
- Standard HMO — 3-4 unrelated occupants
- Larger HMO — 5+ unrelated occupants forming 2+ households (mandatory licensing)
- Section 257 HMO — converted flats where the conversion does not meet 1991 Building Regs
Mandatory fire safety provision in HMOs
For typical 5-bed shared houses:
- BS 5839-6 Grade A LD2 fire detection system (interlinked, mains-wired with battery back-up, heat detector in kitchen, smoke detectors in escape routes and habitable rooms)
- 30-minute fire compartmentation between every habitable room and the escape route
- FD30S fire doors on every habitable room (kitchen FD30S with self-closer)
- Emergency lighting on internal escape routes where artificial lighting is the primary lighting
- Fire blanket in every kitchen
- Class F extinguisher in larger or higher-risk kitchens
- Two-stage means of escape where the property is over two storeys
Larger HMOs (10+ tenants, or 3+ storeys) typically require LD1 (full coverage including bedrooms).
The flat entrance door question
Every tenant's room door in an HMO must be a 30-minute fire door (FD30) with intumescent and smoke seals and a self-closing device. Original 4-panel Victorian doors do not meet this standard.
Tenants frequently:
- Remove self-closers ("the door slams")
- Wedge doors open
- Hang things from the latch
- Damage seals
All of these defeat the fire compartmentation. Tenant education is part of compliance.
Where most HMO landlords fall down
The recurring failures we see:
1. No FRA, or one done years ago 2. Battery smoke alarms instead of BS 5839-6 system 3. Heat detector missing from kitchen 4. Tenant-installed locks defeating escape 5. Combustible storage on landings 6. Modified front door 7. No emergency lighting on internal staircase 8. No fire blanket
The selective / additional licensing trap
Many London boroughs operate Selective or Additional HMO Licensing schemes — these can extend mandatory licensing requirements to smaller HMOs. Fines for unlicensed operation are up to £30,000 civil penalty per offence.
Check your borough's licensing scheme. It changes frequently.
A defensible HMO file
Every HMO landlord should have a single binder (digital or physical) with:
- Current FRA
- Alarm system commissioning certificate
- Alarm service reports (6-monthly)
- Emergency lighting test records
- EICR (5-yearly)
- Gas Safe certificate (annual)
- HMO licence
- Tenant fire safety information sheets
This file is the first thing a Fire Authority, EHO or Trading Standards officer asks for.
Insurance implications
Buildings insurers are increasingly requesting evidence of HMO fire safety compliance at renewal. Non-compliance can void cover.
MetroFire delivers HMO Fire Risk Assessments, BS 5839-6 alarm installs and compliant fire door surveys across London and the South East. Book.