I’ve spoken to a lot of landlords who got caught out by licensing. Not because they were cutting corners — but because licensing is genuinely confusing, varies from one street to the next, and can change mid-tenancy without much fanfare.
If you self-manage, this is one of those areas where a small oversight can turn into a serious headache. We’re talking financial penalties, problems with possession, and tenants who suddenly have a very useful bargaining chip.
So here’s a plain-English walkthrough of the two main types of licensing, how to check whether you need one, and what’s at stake if you don’t.
A quick note: this is general guidance for landlords in England, not legal advice. Local authority rules vary, so always confirm requirements for your specific area.
The two types of licensing that catch landlords out
There are two distinct systems that work very differently.
HMO licensing
This is about the type of occupancy — specifically, multiple households sharing facilities like a kitchen or bathroom. There are two versions:
- Mandatory HMO licensing, which covers larger HMOs meeting certain national criteria
- Additional licensing, where a council decides to extend the rules to smaller HMOs in their area
Selective licensing
This one catches a lot of people off guard. Selective licensing has nothing to do with HMOs or property size. It’s an area-based scheme, meaning a council can require all private rented properties in a certain postcode or ward to hold a licence — even a bog-standard two-bed with a single family in it.
The same property can need a licence in one borough and be completely exempt in the one next door. That’s why you can’t rely on what your neighbour does, or what worked at your last property.
Step 1: Is your property an HMO?
The key question is: are there multiple households sharing facilities?
A household is generally one person, or a family or couple living together. If you’ve got three friends renting rooms, or separate tenants each with their own agreement, sharing a kitchen and bathroom — that’s almost certainly an HMO.
The classic threshold most landlords have heard of is the ‘three sharers’ rule: three or more people, from two or more households, sharing facilities. If that sounds like your property, treat it as HMO territory and check it.
Step 2: Do you need mandatory HMO licensing?
Mandatory licensing applies to HMOs that meet specific criteria set out in national guidance — but councils also interpret this locally, so the details matter.
Don’t guess. Go to your council’s housing or licensing page and search for ‘mandatory HMO licensing’. Check the occupancy thresholds and any property-specific rules that apply.
And even if you don’t fall under mandatory rules, you might still fall under additional licensing, which is the council’s own scheme for smaller HMOs.
Step 3: Check for additional HMO licensing
Many councils have gone further than the mandatory rules and introduced additional licensing schemes that capture smaller shared houses — including properties with just three or four sharers.
If your property has three or four people in it, or it’s a smaller shared house or flat, check your council’s website for additional licensing requirements. It’s a separate scheme and easy to miss if you only searched for ‘HMO licensing’ in general.
Step 4: Check for selective licensing (even if it’s a single let)
This is the one that surprises people most.
If your property is in a designated selective licensing area, it needs a licence — full stop. It doesn’t matter if it’s a straightforward single let with one family. You search your local authority’s website for ‘selective licensing private rented’ and look for:
- A scheme map showing which postcodes, wards, or streets are included
- Start and end dates for the scheme
- Which property types are covered
- Whether any exemptions apply to your situation
If you’re not sure after checking, just email the council licensing team with your postcode and ask them to confirm. It takes five minutes and gives you something in writing. Keep that email. It’s useful if a question ever comes up later.
Step 5: Don’t assume your agent has handled it
Even if you use a letting agent, the legal responsibility usually still sits with you as the landlord. Agents can miss things — particularly when a scheme is introduced mid-tenancy, or when the occupancy changes in a way that creates new licensing requirements.
If you self-manage, it’s entirely on you. Build a habit of checking licensing status:
- When you buy a property
- When the tenant type changes (e.g., a couple becomes sharers)
- Once a year, because schemes can start, change, or expire
What actually happens if you don’t have a licence?
Financial penalties
Councils can take enforcement action for unlicensed properties — civil penalties, prosecution, or other tools depending on local policy. The direction of travel is clear: enforcement is increasing, and ‘I didn’t know’ is not treated as a defence.
Rent Repayment Orders
This is the one many landlords don’t see coming. Tenants (or councils) can apply for a Rent Repayment Order for certain housing offences, including some licensing failures. Even landlords who genuinely didn’t know they needed a licence can face an RRO claim if the legal conditions are met.
Problems with possession
Licensing issues can also get in the way when you’re trying to regain possession. Even if your notice was served properly, an unlicensed property gives the tenant leverage and increases the likelihood of a defended case. The worst time to discover a licensing problem is when you’re already in the middle of a process.
How landlords quietly drift into licensable territory
Most landlords who end up unlicensed didn’t set out to cut corners. Here’s how it tends to happen:
The single let that becomes an HMO
A couple splits up. One moves out, gets replaced by a friend, then another friend. Suddenly, you have three adults from different households sharing facilities — and you haven’t noticed because nothing felt like a big change at the time.
Informal lodgers or extra occupants
Tenants sometimes take people in without mentioning it. If that changes the household structure, your licensing position may have changed too — even though you had no idea it was happening.
A new scheme starts mid-tenancy
Selective and additional licensing schemes can begin while an existing tenancy is already running. If you’re not actively watching for announcements from your council, you may miss the start date entirely.
What to keep on file for each property
A simple compliance pack doesn’t need to be complicated. For each property, keep:
- A note confirming whether it is or isn’t an HMO based on current occupancy
- The council’s written confirmation of licensing requirements (or exemption)
- Proof that you’ve applied for a licence, if required
- The licence certificate and reference number
- A reminder of the renewal date (licences expire)
- Any inspection reports or documents required under licence conditions
This isn’t just paperwork for its own sake. It’s protection if a question ever gets raised.
Annual licensing check — a simple checklist
Run through this once a year, and any time occupancy changes:
Occupancy
- How many adults are living there?
- Are they one household or more than one?
- Do they share kitchen or bathroom facilities?
Council check
- Does the council’s mandatory HMO licensing apply to this property?
- Is there an additional licensing scheme in operation?
- Is the property in a selective licensing area?
Evidence
- Do I have written council confirmation saved?
- Do I have a current licence reference or certificate, if required?
- Have I set a renewal reminder?
Change triggers
- Any new occupier?
- Any change from a couple or family to unrelated sharers?
- Any tenancy change?
If yes to any of the above: re-check licensing before you do anything else.
The honest version
Licensing is not an exciting subject. But it’s one of the more controllable risks in property. You can check it, document it, and set a reminder — and that’s genuinely most of the work done.
The landlords who get caught out aren’t usually bad landlords. They just didn’t know, or assumed it didn’t apply to them, or forgot to check after something changed. Councils don’t distinguish between those who ignored the rules and those who simply weren’t aware of them.
Worth an hour of your time to make sure you’re on the right side of it.
