The Tonbridge HMO controls are now in force in mapped parts of South Tonbridge, Snodland and East Malling. Tonbridge and Malling Borough Council made the immediate Article 4 Direction on 6th October 2026, and its official notice says the planning control took effect on 16th October 2026.
The change means that a house in the affected areas can no longer rely on the normal permitted development route from a dwellinghouse in Use Class C3 to a small house in multiple occupation (HMO) in Use Class C4. These Tonbridge HMO controls require a planning application before that change of use can lawfully take place.
I would treat the mapped boundary as decisive. The Direction is not borough-wide, and a street name or ward description is not a safe substitute for checking the council’s official maps. The Tonbridge HMO controls also do not ban HMOs or retrospectively remove the lawful status of an existing HMO.
Where the Tonbridge HMO controls apply
The legal notice identifies three areas: land at South Tonbridge, land at Snodland and land at East Malling. The official consultation maps show the detailed red-line boundaries. Those plans matter because the controls cover selected parts of the settlements rather than every address within Tonbridge and Malling.
The Tonbridge HMO controls apply only to land inside those mapped boundaries. In South Tonbridge, the mapped areas include parts of the Judd, Vauxhall and Cage Green & Angel wards. Separate plans cover defined parts of Snodland and East Malling. Anyone checking a particular property should use the plan at a readable scale and retain a copy with the date checked.
The council’s consultation page confirms that the Direction has been made and that consultation runs until 27th November 2026. It explains that the purpose is to allow the effects of future small HMO conversions to be considered through the planning application process.
What changed on 16th October 2026
Cabinet approved making an immediate Direction on 6th October. That political decision was important, but it did not by itself establish the legal commencement date. The later official notice of making provides the missing legal detail. It says the Direction was made on 6th October and applies from 16th October 2026.
The notice states that the controls apply “from the 16 October 2026, unless it is not confirmed by 16 April 2027”. This is an immediate Direction, so it operates while the council consults. It must be confirmed within the statutory period if it is to remain in force beyond 16th April 2027.
The Tonbridge HMO controls are therefore at a different stage from a proposal or a Cabinet approval. For development begun after commencement, the relevant permitted development right has been withdrawn within the mapped land. A planning application is required for the specified C3-to-C4 change.
Which permitted development right has been removed
In England, Class L(b) of Part 3 of Schedule 2 to the Town and Country Planning (General Permitted Development) (England) Order 2015 (GPDO) normally permits a change from a dwellinghouse in Use Class C3 to a small HMO in Use Class C4. The Direction removes that right within its boundary.
Class L is limited to the planning change of use. It does not remove licensing duties, building regulations, fire safety requirements, tenancy obligations or other controls. Equally, obtaining an HMO licence does not grant planning permission.
Use Class C4 generally covers occupation by between three and six residents as their only or main home, where they form more than one household and share basic amenities. A larger HMO is normally a sui generis use, meaning it sits outside the use classes, and planning permission is ordinarily required for a material change into that use even without an Article 4 Direction.
Immediate effect and compensation
Because the Tonbridge HMO controls took effect with less than 12 months’ notice, the statutory compensation provisions can potentially apply in a qualifying case. Compensation is not automatic merely because a Direction has been made, and it does not reimburse every owner for a perceived reduction in value.
A claim normally depends on a planning application being made within the relevant period, followed by a refusal or the imposition of more restrictive conditions, together with qualifying loss or abortive expenditure directly attributable to the withdrawal of the permitted development right. The dates, the nature of the proposed development and the evidence of loss all matter.
Planning Geek’s guide to Article 4 compensation claims explains the limited route in more detail. Anyone considering a claim should take property-specific planning and legal advice rather than assuming that the immediate label creates an automatic payment.
Existing HMOs and work already under way
The Direction does not operate retrospectively. An existing lawful HMO does not become unlawful simply because the controls commenced. The difficult cases are properties where physical works, marketing or preparation had started but the planning change of use had not lawfully occurred by 16th October.
Changing use is a question of fact and degree. Buying furniture, arranging finance or obtaining a licence may be relevant background, but none of those steps necessarily proves that a material change of use happened before commencement. Occupation, the character of the use and the full factual history may need careful examination.
A lawful development certificate can provide a formal decision about an existing use where the evidence is sufficient. It is not a device for avoiding a planning application where the proposed C3-to-C4 change had not already taken place before the Tonbridge HMO controls became operative.
What happens during consultation
The council is accepting representations until 27th November 2026. It must consider the consultation response before deciding whether to confirm the Direction. A routine confirmation would not change the commencement date, because the Direction is already operative from 16th October.
The material future event is whether the Direction remains in force, is modified, withdrawn or is not confirmed by 16th April 2027. If it is not confirmed within the required period, it will cease to have effect. Until then, anyone proposing a small HMO within the boundary should proceed on the basis that planning permission is required.
The earlier Planning Geek report on Cabinet’s approval of the Tonbridge Direction records how councillors moved from the officer recommendation for a non-immediate Direction to immediate action. The legal notice now resolves the uncertainty that remained when that report was published.
Checks before buying or converting
Anyone dealing with a property in South Tonbridge, Snodland or East Malling should check the exact boundary, the property’s lawful use, its planning history and any existing planning conditions. The Tonbridge HMO controls are only one part of that due diligence.
I would also distinguish planning permission from HMO licensing at the outset. They are separate regimes with different tests, and success under one does not guarantee success under the other. A prospective buyer should understand both before exchanging contracts or committing to conversion costs.
The practical position is now clear: mapped properties lost the Class L(b) route on 16th October 2026. The Tonbridge HMO controls require an express planning decision for new small HMO conversions, while the council consults on whether the immediate Direction should be confirmed.
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