HMO Amenity Standards and Council Tax 2026

HMO amenity standards govern the minimum facilities — bedroom sizes, kitchens, bathrooms, toilets, heating, lighting, ventilation — that landlords must provide. Standards operate at two levels: nationally-prescribed minimums (most importantly bedroom sizes for licensed HMOs) and local authority licence conditions that typically go beyond. This page sets out both layers, the consequences of getting them wrong, and the substantial 2023 council tax reforms that improved the economics of HMO operation.

Two layers of standards

Amenity standards for HMOs operate at two levels. National regulations set out a small number of minimum requirements that apply universally — most importantly minimum bedroom sizes for licensed HMOs and the requirement that every habitable room has fixed heating capable of being controlled by the occupier. Beyond these, individual local authorities set their own standards through licence conditions, and these vary substantially.

A landlord operating an HMO needs to know both layers. The national minimums are non-negotiable across England. The local standards — published by each council in its HMO standards document or licensing policy — typically go beyond the national floor and dictate the specific configuration of kitchens, bathrooms, and bedroom amenities. Failure to meet either layer can defeat a licence application, expose the landlord to civil penalty, or invalidate an existing licence.

Minimum bedroom sizes (national requirement)

Since 1 October 2018, the Licensing of Houses in Multiple Occupation (Mandatory Conditions of Licences) (England) Regulations 2018 have prescribed minimum sleeping room sizes for licensed HMOs. The regulations set out the floor area required depending on the age and number of occupiers using the room as sleeping accommodation:

One person aged 10 or over: 6.51 square metres minimum.
Two persons aged 10 or over: 10.22 square metres minimum.
One person aged under 10: 4.64 square metres minimum.

The figures are floor areas — useable space measured wall to wall. Floor area below 1.5 metres in headroom (under sloping ceilings, in eaves, or under bulkheads) does not count toward the calculation. A room that has 7 square metres of floor space but where 1.5 square metres is under a sloping ceiling has only 5.5 square metres of qualifying area and is below the 6.51 minimum for adult use.

The 2018 regulations also empower local authorities to impose more demanding minimums through licence conditions. Many councils set 9-10 square metres as the working minimum for adult bedrooms, on the basis that 6.51 square metres is sufficient legally but inadequate practically. Always check the council’s HMO standards document.

A landlord granting a licence for a property with rooms below the prescribed minimums commits a criminal offence under section 234 of the Housing Act 2004. The civil penalty for letting an undersized room can reach £30,000 per offence. Penalties have been imposed in cases where rooms were as little as 5 square metres — a level that, in older HMOs let before 2018, was historically common.

Heating, lighting, and ventilation

Every habitable room in an HMO must have fixed heating capable of being controlled by the occupier. “Fixed” means installed as part of the building — radiators, fixed electric heaters, gas fires. Portable electric heaters provided by the landlord do not satisfy the requirement. The heating must be capable of bringing the room to a reasonable temperature in winter — typically 18-21°C depending on the room’s use.

Lighting must be adequate to all habitable areas including stairs, hallways, kitchens, and bathrooms. Natural lighting through windows is required for all bedrooms; artificial lighting must be controllable from sensible locations; emergency lighting may be required in larger HMOs (see our HMO fire safety guide).

Ventilation must be sufficient to prevent damp and mould. Bathrooms and kitchens require either an openable window or mechanical extraction; many councils require both for kitchens. Modern energy-efficient construction (sealed windows, insulation, low air change rates) often produces ventilation problems in HMOs that have been retrofitted; addressing them at the start is much cheaper than addressing damp claims later.

Kitchens

Kitchens are the most variable amenity area in HMO standards. National regulations are silent on kitchen size, fittings, or ratios. Local authority standards dictate. A typical specification:

Sink with hot and cold water — a single sink shared by up to five occupiers, two sinks where there are six to ten occupiers. The sink must drain to soil pipework with a working trap; sinks discharging through bowl-and-jug arrangements are not acceptable.

Cooker — typically one cooker per five occupiers. Cookers must be in good working order, with extraction (cooker hood vented externally) where the kitchen is not naturally ventilated. Where the property has 6+ occupiers, two cookers are usual.

Refrigeration — refrigerator and freezer space adequate for the number of occupiers. A standard fridge-freezer is sufficient for up to four occupiers; larger HMOs typically require additional refrigeration or larger appliances.

Worktop space — typically 1 metre per occupier, with a continuous run of preparation space available without obstruction. Open-plan kitchen-living spaces are often acceptable in larger HMOs.

Storage — wall and base unit storage adequate for utensils, dry goods, and tableware. Locked storage may be required if the kitchen is shared between separate tenancy units within the property.

Local councils often publish photographic guidance showing acceptable and unacceptable kitchen layouts. The councils with the most active enforcement — Newcastle, Brighton, Manchester, several London boroughs — publish detailed standards documents that landlords elsewhere can use as reasonable benchmarks.

Bathrooms and toilets

National regulations set no specific ratios for bathrooms or toilets in HMOs. Local authorities universally do. The most common standards:

Toilet: at least one toilet per five occupiers, with separate toilets from the bathing accommodation in larger HMOs.
Bathroom: at least one bathroom (with bath or shower, washbasin, and frequently a separate toilet) per five occupiers. In larger HMOs, two bathrooms.
Washbasin: required in addition to the bathroom basin in many councils’ standards — typically a washbasin in or near each bedroom for HMOs without en-suite arrangements.

En-suite bathrooms in individual bedrooms count toward the bathroom ratio but their position in the property matters. A locked-from-outside en-suite that the occupier cannot access easily does not count. An en-suite must be in the same bedroom as the occupier it serves and accessed through the bedroom only.

Hot water must be available continuously to all bathing facilities. A combi boiler serving the whole property is the standard arrangement. Hot water cylinders with adequate capacity are acceptable; instantaneous electric showers are usually not adequate as the only hot water source for bathing.

Where bathrooms or toilets are some distance from bedrooms (across landings, on different floors), the route must be reasonably direct and not pass through other private areas. A bathroom accessed by walking through another tenant’s bedroom is not acceptable.

Council tax for HMOs

Council tax treatment of HMOs changed substantially in December 2023 and the change has been one of the most significant practical benefits to HMO landlords in the last decade.

The position before December 2023

Until 1 December 2023, the Valuation Office Agency had been increasingly aggressive in banding individual rooms in some HMOs as separate dwellings for council tax purposes. The practice followed a series of tribunal decisions in the 2010s that found, in particular configurations, that bedsit-style rooms with their own locking doors and exclusive use could each be a separate “dwelling” within the meaning of the Local Government Finance Act 1992. The result was that HMOs were routinely receiving multiple council tax bills — one per room — rather than a single bill for the property.

The cumulative tax burden was disproportionate. A four-bedroom HMO might receive four Band A bills (one per room) when a comparable single-household property would have received a single Band C or D bill. Some HMOs in popular university cities ended up paying double or triple the council tax of equivalent family homes.

The 2023 reforms

The Council Tax (Chargeable Dwellings and Liability for Owners) (Amendment) (England) Regulations 2023, in force from 1 December 2023, reversed the position. From that date, HMOs occupied under separate tenancies — typically the room-by-room let model — are aggregated as a single dwelling for council tax purposes. The landlord is liable for the council tax bill on the property as a whole.

In practical terms:

The HMO is banded as a single dwelling on the council tax list.
The landlord is liable, not the individual occupiers.
The landlord can include council tax in the rent (recovering the cost from tenants) or charge it as a separate item.
The aggregate council tax bill is normally lower than the cumulative room-by-room bills under the previous regime — typically 30-50% lower for a 5-bedroom HMO.

HMOs let on a single joint tenancy were already aggregated under the previous regime — the change is most significant for HMOs let room-by-room. The change applies in England only. Wales has a separate council tax regime.

There are still exemptions and discounts that can apply. Properties occupied entirely by full-time students remain exempt from council tax. Where the HMO is mixed (some students, some non-students), the council tax is reduced proportionately. Where the property is empty for any period (e.g. between academic years), short-term exemptions or discounts may apply depending on the local authority.

Practical implications

The 2023 reforms substantially improved the economics of HMO operation. Most HMO landlords saw bills fall by hundreds of pounds per year. The change is permanent — there is no sunset clause and no political signal that the position is likely to be revisited.

Two pieces of advice for HMO landlords on council tax:

Check your existing banding. If your HMO was banded room-by-room before December 2023, contact the Valuation Office Agency to confirm the property has been re-banded as a single dwelling. The reclassification should have happened automatically but errors are not uncommon.

Reflect council tax in the tenancy. Where the landlord is now liable, the rent should account for council tax. Tenants should not pay council tax separately on a room-by-room basis under the new regime — the bill is the landlord’s. Make this clear in the tenancy agreement to avoid confusion.

Practical compliance approach

A landlord operating an HMO should treat amenity standards as a continuous compliance issue rather than a one-time setup. Recommended practice:

Get the local authority’s HMO standards document at the planning stage. Most councils publish theirs online; some require a paid copy. The document is the definitive source for what your specific property must meet.

Specify amenity provision before refurbishment. A kitchen designed and fitted to match local standards costs no more than one designed without reference to them — but a kitchen that has to be refitted because it does not meet standards costs substantially more.

Document compliance with photographs. Photograph the kitchen, each bathroom, each bedroom (with measurements), and the heating provision. The photographs become evidence in any inspection or licence application.

Review on tenancy turnover. Each time a tenant moves out, check the room is still adequate — bedroom sizes can be eroded by built-in storage additions, kitchens can become inadequate as the number of occupiers changes.

Amenity standards are usually the second-most-common reason HMO licence applications fail (after fire safety). Getting them right at the start avoids costly remediation later.

Authoritative sources

Licensing of Houses in Multiple Occupation (Mandatory Conditions of Licences) (England) Regulations 2018 — minimum bedroom sizes.
Council Tax (Chargeable Dwellings and Liability for Owners) (Amendment) (England) Regulations 2023 — the council tax reform.
Your local authority’s HMO standards document — typically published on the council website.
Government guidance on mandatory HMO conditions (gov.uk).