HMO licensing in Hertsmere
Verified by a human · 12 July 2026Do you need an HMO licence in Hertsmere?
You need a mandatory HMO licence if your Hertsmere property houses 5 or more people from 2 or more households sharing facilities. Hertsmere does not currently run an additional or selective licensing scheme, so 3–4 person HMOs are unlicensed. Management regulations and room standards still apply to them.
Licensing schemes in force
Mandatory HMO licensing
Applies district-wide to HMOs with 5+ occupants forming 2+ households. National scheme under the Housing Act 2004, Part 2. It has no end date and never lapses.
Additional licensing
No additional scheme currently operates in Hertsmere. Smaller HMOs (3–4 occupants) do not need a licence. We track consultations, so this page updates if that changes.
Selective licensing
No selective scheme is in force. Selective licensing covers all privately rented homes in a designated area, not just HMOs.
Council summary: Mandatory licensing (Properties occupied by five or more people in two or more households, of any size including habitable basements and attics and commercial premises).
Article 4 direction
We have not confirmed the Article 4 position for Hertsmere yet. Ask the council's planning department before converting a property, because getting this wrong can mean an enforcement notice.
Schedule 3, Class L(b)
“The purpose of this paper is to provide supporting evidence for the introduction of an Article 4 Direction to remove permitted development rights for the conversion of property from Use Class C3 to Use Class C4 - Houses in Multiple Occupation (HMO). ... An Article 4 Direction is made under Article 4(1) of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) and in accordance with Schedule 3 of that order to restrict Class L(b), a dwelling house (Use Class C3) to a HMO (Use Class C4). ... A public consultation was due to be held towards the end of the summer 2026, however, this was brought forward to May 2026.”
Licence fees (2026)
| Application | Fee | |
|---|---|---|
| New licence | £1,306 | |
| Renewal | £1,306 | |
| Validity | 5 years |
Many councils split payment into two stages following the Gaskin ruling. The figures above are totals.
Track your Hertsmere HMO
HMOJO maps these rules onto your actual property, room by room, and reminds you before anything lapses. Free for your first property.
Start freeRoom sizes and amenity standards
| Standard | Requirement | Source |
|---|---|---|
| Bedroom, 1 adult | 6.51 m² minimum | National (mandatory condition) |
| Bedroom, 2 adults | 10.22 m² minimum | National (mandatory condition) |
| Bedroom, child under 10 | 4.64 m² minimum | National (mandatory condition) |
Local standards are where councils differ most, and they change without notice. Confirm with Hertsmere council before letting a room.
What you need to apply
- Gas safety certificate (CP12), current
- Electrical installation condition report (EICR), within 5 years
- Fire alarm and emergency lighting test certificates
- Floor plan with room sizes marked
- Fit and proper person declaration
- Energy performance certificate (EPC), E or above
What changed
- Page verified against current council sources.
- Renters' Rights Act commencement. Periodic tenancies noted in guidance.
Hertsmere HMO questions, answered plainly
Do I need an HMO licence in Hertsmere?+
You need a mandatory HMO licence if your Hertsmere property houses 5 or more people from 2 or more households sharing facilities. This is the England-wide mandatory rule under the Housing Act 2004. Hertsmere does not currently run an additional or selective licensing scheme, so 3–4 person HMOs are unlicensed. Management regulations and room standards still apply to them. Confirm the current position with the council before accepting tenants.
How much does an HMO licence cost in Hertsmere?+
A new mandatory HMO licence in Hertsmere costs £1,306, and renewal costs £1,306. The licence runs for 5 years. Fees change with council budgets, so confirm before applying.
Does Hertsmere have an Article 4 direction for HMOs?+
We have not yet confirmed the Article 4 position for Hertsmere. Check with the council's planning department before converting a property.
What are the minimum room sizes for an HMO in Hertsmere?+
National minimums apply: 6.51m² for one adult, 10.22m² for two adults, and 4.64m² for a child under 10. Rooms under 4.64m² cannot be used for sleeping. Hertsmere may also apply local amenity standards for kitchens and bathrooms, so check before letting.
What happens if I run an unlicensed HMO in Hertsmere?+
Operating a licensable HMO without a licence is an offence under section 72 of the Housing Act 2004. The council can prosecute (unlimited fine) or issue a civil penalty of up to £30,000 per offence. Tenants can claim back up to 12 months of rent through a Rent Repayment Order, and Section 21 notices are invalid while the property is unlicensed.
Neighbouring councils
Know where your Hertsmere HMO stands.
HMOJO maps these rules onto your actual property, room by room, and reminds you before anything lapses. Free for your first property.
Sources
- Hertsmere council HMO licensing pages (checked 12 July 2026)
- Housing Act 2004, Part 2 (mandatory licensing framework)
- Licensing of HMOs (Mandatory Conditions) Regulations 2018 (room sizes)
HMOJO surfaces licensing information and shows its sources. It is not legal advice and we never certify that a property is compliant. Rules change, so confirm with Hertsmere council or a qualified professional before acting.