Do You Need an HMO Licence? How to Check by Postcode

Fines for operating an unlicensed HMO can reach £30,000, and tenants can claim back up to 12 months of rent through a Rent Repayment Order. Many landlords do not realise their property qualifies as an HMO under local schemes. Here is how to check.

HMO licensing is one of the most misunderstood areas of landlord compliance. Most landlords know that large shared houses need a licence. What many do not know is that their two-bed flat shared by three unrelated professionals might also need one — depending on which council area the property is in.

The rules vary by local authority, and getting it wrong is expensive. Here is how to work out whether you need a licence and what to do about it.

What Is an HMO?

A House in Multiple Occupation (HMO) is a property let to three or more people who form two or more separate households and share facilities such as a kitchen or bathroom. A household is typically a family unit or a single person — so three unrelated friends sharing a house counts as three households.

The key test is not how many bedrooms the property has. It is how many people live there and whether they form separate households.

The Three Levels of HMO Licensing

How to Check if You Need a Licence

There is no single national database for HMO licensing. Each council operates its own scheme. Here is how to check:

Step 1: Identify your local council. Your local council is determined by your property postcode, not your home address. If you are unsure which council covers your property, enter the postcode at gov.uk/find-local-council.

Step 2: Check the mandatory threshold. If your property is let to five or more people from two or more households, you need a licence. Full stop. Skip to the application section below.

Step 3: Check for additional and selective licensing. Visit your council website and search for "HMO licensing" or "property licensing". Look for whether they operate additional licensing (covering smaller HMOs) or selective licensing (covering all rental properties in certain areas). Many councils have interactive maps showing which streets and postcodes are covered.

Step 4: If in doubt, call the council. Council licensing teams are generally helpful and will tell you whether your specific property needs a licence. It is far better to ask than to guess wrong.

The Penalties for Getting It Wrong

Operating an unlicensed HMO is a criminal offence. Councils can prosecute (unlimited fine on conviction) or issue a civil penalty of up to £30,000 without going to court. On top of this, tenants can apply for a Rent Repayment Order requiring you to repay up to 12 months of rent.

You also cannot serve a valid Section 8 notice for certain grounds while operating without a required licence. With Section 21 abolished from May 2026, this means you may lose the ability to regain possession of your property entirely.

How to Apply for an HMO Licence

HMO licence applications are made to your local council. The process typically involves submitting property details, floor plans, evidence of gas and electrical safety compliance, fire safety measures, and management arrangements. Fees vary by council but typically range from £500 to £1,500. Licences are usually granted for up to five years.

You will need to demonstrate that the property meets certain standards including minimum room sizes (6.51 square metres for a single person, 10.22 for two people), adequate kitchen and bathroom facilities, and appropriate fire precautions.

Keep Your Licence Conditions Tracked

An HMO licence comes with conditions — typically requiring you to maintain valid gas and electrical safety certificates throughout the licence period. If these expire, you breach your licence conditions, which is itself an offence.

ComplianceBot tracks your HMO licence alongside your gas cert, EICR, and EPC. Upload each document and the system reads the expiry dates automatically, then alerts you at 30, 14, and 7 days before anything lapses. It also detects your local council from your property postcode, so you can quickly access licensing information.

HMO licensing is not going away. If anything, more councils are introducing additional and selective licensing schemes every year. Check your property now, apply if needed, and keep your compliance documents tracked so a lapsed certificate never puts your licence at risk.

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