Houses in Multiple Occupation (HMOs) offer some of the highest rental yields available to landlords, but they come with correspondingly higher regulatory and maintenance requirements. Compliance failures can result in substantial fines, mandatory licensing refusals, and even prosecution. This guide provides an overview of key HMO compliance requirements and what they mean for property maintenance.
What Is an HMO?
An HMO is broadly defined as a property occupied by three or more people from more than one household who share facilities such as a kitchen or bathroom. Common HMO configurations include:
- •Student houses
- •Professional house shares
- •Bedsit-style properties
- •Some converted flats
The precise definition has nuances, and local councils have additional powers to define additional HMO types in their areas through "additional licensing schemes."
Mandatory HMO Licensing
Since October 2018, mandatory HMO licensing applies to all HMOs occupied by five or more people from more than one household, regardless of the number of storeys (previously the threshold was three storeys).
To obtain an HMO licence you must:
1. Complete a licence application with your local council 2. Provide details of all managers and proposed licence holders 3. Demonstrate that you — and any managing agents — are "fit and proper persons" 4. Ensure the property meets the council's HMO standards 5. Pay the licence fee (typically £500-1,500 depending on the council and property size)
Licences are typically granted for five years. Operating an HMO without a required licence is a serious offence carrying unlimited fines and potential banning orders.
HMO Room Size Standards
The government introduced minimum room size standards in October 2018:
- •**Single adult bedroom:** Minimum 6.51m²
- •**Double/twin bedroom (two adults):** Minimum 10.22m²
- •**Room used by a child aged 10 or under:** Minimum 4.64m²
Rooms below these sizes cannot be let to adults. If your HMO has rooms below these thresholds currently used as bedrooms, you face the choice of combining rooms, changing their use, or ceasing to let them as sleeping accommodation.
Fire Safety Requirements
Fire safety is arguably the most critical compliance area for HMOs, given that a fire in a shared house can be catastrophic. Requirements include:
Fire Detection
- •Mains-wired, interconnected smoke alarms in every room (not just corridors)
- •Heat detectors in kitchens (smoke alarms are not suitable for kitchen installation)
- •Grade D LD2 detection is the minimum standard — many councils require Grade D LD1 (detection in all rooms including sleeping rooms) for larger HMOs
- •Carbon monoxide alarms in every room containing a gas appliance
Fire Doors
Every door to a habitable room and every cupboard door in an escape route must be a fire door:
- •Minimum 30-minute fire resistance (FD30) on most doors
- •Fitted with an automatic closer (fire door closer)
- •Sealed with intumescent strips and smoke seals
- •Self-closing mechanism maintained in working order
This is a substantial requirement — in a six-bed HMO, you might need 8-10 fire doors.
Means of Escape
The escape route from every bedroom to the external exit must be free of obstructions and have the appropriate fire resistance. This affects decisions about:
- •Internal layouts and door positions
- •Storage in corridors
- •Windows in escape routes (suitable for escape)
Emergency Lighting
Larger or three-storey HMOs typically require emergency lighting in corridors, stairwells, and at external exits. This is battery-backed lighting that illuminates if mains power fails.
Fire Extinguishers and Blankets
Most councils require:
- •A fire blanket in each kitchen
- •A fire extinguisher on each floor (typically 2kg CO2 or 6 litre water type)
- •All firefighting equipment in working order and annually inspected
Gas and Electrical Safety
The same requirements that apply to standard rental properties apply to HMOs, but the consequences of failures are amplified:
- •**Annual gas safety certificate (CP12):** Mandatory for all gas appliances. Tenants must receive a copy.
- •**Electrical Installation Condition Report (EICR):** Every 5 years minimum (some councils require more frequent checks for HMOs).
- •**PAT testing:** While not legally required, many councils recommend annual PAT testing for landlord-provided appliances in HMOs.
Bathroom and Kitchen Ratios
Most councils specify minimum ratios of bathroom and kitchen facilities to occupants:
- •**Bathrooms:** Typically 1 bathroom per 4-5 occupants. Some councils specify 1 WC per 4 occupants separately.
- •**Kitchens:** 1 kitchen is acceptable for up to 5 occupants in many areas; above this, additional cooking facilities may be required.
These ratios are set locally and vary between councils. Always check with your specific local authority.
Management Regulations
The Management of Houses in Multiple Occupation (England) Regulations 2006 set out management duties that apply whether or not your HMO requires a licence. These include:
- •Providing tenants with emergency contact details
- •Ensuring escape routes are always clear
- •Maintaining common areas to a safe and clean standard
- •Ensuring adequate waste disposal facilities
- •Maintaining all fixtures, fittings, and installations in repair
- •Addressing infestations
Maintenance Implications for HMO Landlords
The intensity of use in an HMO means maintenance requirements are substantially higher than for a single-let property:
Kitchen: With 4-6 people using one kitchen, appliances wear out faster, the extractor fan gets heavy use, and worktops and cupboards show wear much more quickly. Build in budget for appliance replacement every 3-5 years.
Bathrooms: Heavy use means shower sealant, grouting, and tiles deteriorate faster. Annual inspection and maintenance of bathroom seals and tiles prevents expensive water damage.
Decoration: Communal areas (hallways, staircases, kitchens) need repainting typically every 2-3 years rather than the 5+ years for a single-let property.
Fire door maintenance: Fire door closers need annual checking. Damaged or propped-open fire doors must be rectified immediately.
Boiler: An HMO boiler works far harder than a domestic boiler. Annual servicing is essential; consider a larger capacity boiler if heating demand is not being met.
Working with a Specialist Maintenance Company
HMO compliance is complex, and the consequences of getting it wrong are severe. Working with a maintenance company experienced in HMO requirements — one that understands fire door specifications, smoke alarm grades, and council inspection requirements — protects you.
Premier Property Solutions has extensive experience maintaining HMO properties across Dartford, Kent, and South East London. We provide compliance-focused maintenance, fire door installation and checking, and regular scheduled inspections that keep you on the right side of your licensing obligations.
Contact us on 01322 251520 to discuss your HMO maintenance needs.
Premier Property Solutions
Property maintenance specialists serving Dartford, Kent and South East London since 1996.