EPC requirements for HMO properties
- One whole-property EPC required for every HMO
- MEES minimum E rating applies to all tenancies
- Accredited through Quidos and Elmhurst
- Lodged within 24 hours of assessment
- From £69 with same-day appointments available
Do HMOs need an EPC?
Yes. Every HMO (House in Multiple Occupation) in England needs a valid Energy Performance Certificate. This is a legal requirement under the Energy Performance of Buildings (England and Wales) Regulations 2012, and it applies regardless of the size of the property, the number of tenants, or the type of HMO licence you hold.
The requirement covers mandatory licensed HMOs (properties with five or more tenants forming two or more households), additionally licensed HMOs, and properties in selective licensing areas. If you are letting to multiple tenants who share facilities, you need an EPC.
Without a valid EPC, you cannot legally grant a new tenancy or renew an existing one. Local authorities can issue a penalty notice of up to £5,000 for failing to have an EPC available when required. This is separate from any MEES penalties, which can be substantially higher.
Whole-property EPC vs individual room EPCs
This is the question we get asked most often by HMO landlords: do I need one EPC for the whole property, or separate EPCs for each room?
The answer is straightforward. An HMO gets one EPC for the whole property. The assessment is carried out under RDSAP (Reduced Data Standard Assessment Procedure), which treats the HMO as a single domestic dwelling. The assessor inspects the entire building, including all bedrooms, shared kitchens, shared bathrooms, hallways, and communal areas.
You do not need individual EPCs for each bedroom or bedsit. The only exception is if part of the property has been converted into a fully self-contained flat with its own entrance, kitchen, and bathroom. In that case, the self-contained unit would need its own EPC, while the remaining HMO portion gets a separate one.
This matters for cost. A six-bedroom HMO needs one EPC at £140, not six separate certificates. It also matters for compliance: the single whole-property EPC is what your local authority and prospective tenants will ask for.
MEES requirements for HMOs
The Minimum Energy Efficiency Standards (MEES) apply to all privately rented properties in England and Wales, including HMOs. Since April 2020, MEES has applied to all existing tenancies, not just new ones.
Under MEES, your HMO must achieve a minimum EPC rating of E. If the property is rated F or G, you cannot legally let it. The penalties for non-compliance are significant:
- Up to £5,000 for renting a property for less than three months in breach of MEES
- Up to £10,000 for renting a property for three months or more in breach
- Up to £30,000 for providing false or misleading information on the PRS Exemptions Register
- Maximum total penalty of £150,000 per property
For HMOs, MEES enforcement is particularly active in London boroughs with large private rented sectors. If your property falls below the E threshold, read our complete guide to MEES regulations for the full details on compliance options.
HMO licensing and how the EPC fits in
HMO licensing and EPC requirements are separate legal obligations, but in practice they are closely connected. Most local authorities require a valid EPC as part of the HMO licence application process.
London has the highest concentration of HMOs in the UK, and many London boroughs operate additional or selective licensing schemes alongside mandatory licensing. This means more properties require a licence, and more landlords need to have their EPCs in order.
Boroughs with particularly active HMO licensing schemes include:
- Hackney: borough-wide additional licensing scheme covering all HMOs, not just those with five or more occupants
- Tower Hamlets: additional licensing for HMOs with three or more tenants, plus selective licensing in specific wards
- Newham: borough-wide property licensing requiring all privately rented properties to be licensed, including HMOs
- Lewisham: selective licensing scheme covering significant parts of the borough
- Camden: additional licensing for certain categories of HMO
- Islington: additional licensing covering smaller HMOs borough-wide
When you apply for or renew an HMO licence, the council will typically ask for your EPC certificate number, the current rating, and the assessment date. An expired or missing EPC can delay your application and leave you operating without a licence, which carries its own penalties of up to £30,000 per offence.
Common EPC challenges for HMO properties
HMOs present unique challenges during an EPC assessment. Having assessed HMOs across London and the surrounding areas, these are the issues we encounter most often:
Multiple heating systems
Many HMOs have a mix of heating arrangements. The main property might have gas central heating, while individual rooms have been fitted with electric panel heaters or plug-in radiators. Under RDSAP, the assessor must record the primary and secondary heating systems. Electric room heaters score poorly compared to a single gas central heating system serving the whole property.
Shared areas and communal spaces
Large entrance halls, shared kitchens, and communal living rooms add to the total floor area. These spaces are often harder to heat efficiently, particularly in older buildings with high ceilings, which can pull the rating down.
Converted properties
Many London HMOs are converted Victorian or Edwardian terraces. These properties often have solid brick walls with no cavity to insulate, original single-glazed sash windows (sometimes in conservation areas where replacement is restricted), and draughty suspended timber floors. Conversions may also have removed original features that contributed to thermal performance, such as loft insulation displaced during a loft conversion.
Mixed construction
Extensions and additions are common in HMOs where rooms have been added to increase occupancy. A Victorian terrace with a rear extension and loft conversion may have three different wall constructions and insulation levels. The assessor records each separately, and the overall rating reflects the mix.
Missing documentation
HMOs that have changed hands multiple times often lack records of improvement works. Without proof of cavity wall insulation or loft insulation depth, the assessor may need to assume uninsulated defaults. Keeping paperwork for any improvement work is always worthwhile.
How HMO conversions affect EPC ratings
Converting a single-family dwelling into an HMO almost always changes the EPC rating, and usually not for the better. Understanding why helps you plan improvements more effectively.
Room subdivisions
Dividing a large room into two bedrooms does not change the total floor area, but it does change how the space is heated. If the original room had one radiator on a gas central heating circuit and the new configuration uses electric panel heaters, the heating efficiency score drops. The additional partition walls also create more surface area that can lose heat.
Loft conversions
Adding a loft bedroom increases the habitable floor area, which is usually positive for the assessment. However, if the loft insulation between the ceiling joists is removed to create the room, and the roof itself is not adequately insulated between or above the rafters, the property loses a significant insulation element. Roof insulation must be at least 150mm thick to score well in RDSAP, and ideally 270mm or more.
Additional kitchens and bathrooms
Adding extra kitchenettes or shower rooms increases hot water demand. If the existing boiler was sized for a single household, the system may be less efficient when serving multiple bathrooms. Electric showers in en-suites also score worse than hot water from a gas boiler.
What you can do
If you are planning an HMO conversion, consider the EPC impact from the outset. Retaining a single, efficient gas central heating system serving all rooms will score better than fitting individual electric heaters. Ensuring adequate insulation in any loft conversion, and keeping documentation for all works, will help maintain or improve the rating. Read our guide to improving your EPC rating for specific recommendations.
Tips for improving your HMO EPC rating
HMO landlords often have more scope for improvement than they realise. These are the changes that make the biggest difference to an HMO's energy rating, ranked by typical impact:
- Upgrade to a single condensing boiler or heat pump: replacing multiple heating systems with one efficient central system has the largest impact on the EPC rating. A modern condensing boiler serving all rooms via a central heating circuit will score significantly better than individual electric heaters.
- Add or improve loft insulation: if your HMO has a conventional loft (not converted), topping up insulation to 270mm is one of the cheapest and most effective improvements. If the loft has been converted, ensure roof insulation meets current standards.
- Insulate cavity walls: if the property has unfilled cavity walls, cavity wall insulation is relatively inexpensive and typically lifts the rating by one or two bands. Many Victorian and Edwardian properties have solid walls, so this does not apply to all HMOs.
- Install double glazing: replacing single glazing with double-glazed windows improves both the EPC rating and tenant comfort. Check with your local planning authority first if the property is in a conservation area.
- Add heating controls: a programmer, room thermostat, and thermostatic radiator valves (TRVs) are required for a good heating controls score. Many HMOs are missing one or more of these.
- Switch to LED lighting: replacing all bulbs with LEDs is a quick, low-cost improvement that contributes to the lighting efficiency score.
- Insulate hot water cylinders: if the property has a hot water cylinder, fitting a British Standard jacket (at least 80mm thick) or upgrading to a factory-insulated cylinder improves the hot water score.
For detailed costs and expected rating improvements, see our complete guide to improving your EPC rating.
Cost of an EPC for HMO landlords
At Kubo EPC, we price the assessment based on the total number of bedrooms in the property, not the number of tenants or the type of licence. This keeps pricing simple and predictable for HMO landlords:
| Property size | Price |
|---|---|
| Studio | £69 |
| 1–3 bedrooms | £79 |
| 4–5 bedrooms | £115 |
| 6+ bedrooms | £140 |
| Same-day surcharge | +£20 |
Most HMOs fall into the 4–5 bedroom or 6+ bedroom category. For a typical five-bedroom HMO in Hackney or Lewisham, the cost is £115. For larger properties in Camden or Islington with six or more bedrooms, the cost is £140.
Assessments take 45 to 90 minutes depending on property size. Your certificate is lodged on the national register within 24 hours and is valid for 10 years. We are accredited through Quidos and Elmhurst, so your certificate is recognised by all local authorities and letting agents.
If you manage multiple HMOs, get in touch for portfolio pricing. We work with landlords across London who have several properties and need assessments coordinated efficiently.
HMOs and the London market
London has the highest concentration of HMOs in the UK. High property prices, strong rental demand, and a large student and young professional population make HMO conversions financially attractive. But this also means London landlords face more regulatory scrutiny than those elsewhere in the country.
Most London boroughs now operate additional or selective licensing alongside mandatory HMO licensing. This means having your EPC in order is a prerequisite for staying compliant across multiple overlapping requirements.
With MEES enforcement, HMO licensing conditions, and the upcoming Renters' Rights Act requirements, it is more important than ever for London HMO landlords to know their property's energy rating. If your current EPC is expiring or you have made improvements, a new assessment can demonstrate compliance and unlock a better rating.
Need an EPC for your HMO?
Book your Energy Performance Certificate today. Next-day appointments available across London and surrounding areas.
Frequently asked questions
Does an HMO need an EPC?
Yes. Every HMO in England needs a valid Energy Performance Certificate. The EPC covers the whole property as a single dwelling, not individual rooms. This applies whether the HMO is mandatory licensed, additionally licensed, or falls under selective licensing. Without a valid EPC, you cannot legally let the property.
Do I need separate EPCs for each room in an HMO?
No. An HMO gets one EPC for the whole property. The assessment is carried out under RDSAP, which treats the HMO as a single dwelling. You do not need individual EPCs for each bedroom or bedsit, unless individual rooms have been converted into fully self-contained flats with their own front door, kitchen, and bathroom.
What is the minimum EPC rating for an HMO?
The Minimum Energy Efficiency Standards (MEES) require all rented properties, including HMOs, to have a minimum EPC rating of E. You cannot grant a new tenancy or renew an existing one if the property is rated F or G. Penalties for non-compliance can reach up to £150,000 per property.
Does HMO licensing require an EPC?
HMO licensing and EPCs are separate legal requirements, but they overlap in practice. Most local authorities ask for a valid EPC as part of the HMO licence application. London boroughs including Newham, Hackney, and Tower Hamlets all require a valid EPC when applying for or renewing an HMO licence.
How is an HMO EPC assessment different from a standard one?
The core process is the same, but HMOs typically take longer because they tend to be larger properties with more rooms. Converted properties may have mixed construction types or multiple heating systems, which the assessor must account for. Allow 45 to 90 minutes for a typical HMO assessment.
How much does an EPC cost for an HMO?
We price by total bedrooms. A 1 to 3 bedroom HMO costs £79, a 4 to 5 bedroom HMO costs £115, and a 6 or more bedroom HMO costs £140. Same-day appointments are available for an additional £20.
Can I get an EPC exemption for my HMO?
Exemptions exist but are narrow. You may qualify if all cost-effective improvements have been made and the property still cannot reach an E rating, or if required improvements would damage the property. Exemptions must be registered on the PRS Exemptions Register and are valid for five years. You still need a valid EPC to register the exemption.
How does converting a property to an HMO affect the EPC rating?
Conversions often lower the EPC rating. Subdividing rooms, adding electric heating to individual rooms, and removing loft insulation for loft conversions can all reduce the rating. Retaining a single efficient central heating system and ensuring adequate insulation in any conversion works will help maintain the rating.
Related guides
Minimum ratings, penalties, exemptions, and the Renters' Rights Act
Minimum Energy Efficiency Standards for rental properties
Everything landlords need to stay compliant with current regulations
Practical improvements ranked by cost and impact
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