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Landlord glossaryLicensing

Article 4 Direction

A planning tool councils use under article 4 of the Town and Country Planning (General Permitted Development) (England) Order 2015 to remove permitted development rights in an area, most often the right to turn a family home (use class C3) into a small HMO (use class C4) without planning permission. Where a direction applies, that change needs a planning application, and going ahead without permission can lead to planning enforcement.

Reviewed by Erdem VolkanLast reviewed 16 September 2026How we check facts

Effect
Removes permitted development rights in an area
Most common use
Family home to small HMO (C3 to C4)
Result
Planning permission needed
Separate from
HMO licensing

Why it matters

What Article 4 Direction means for a landlord

Converting a house to a small HMO for three to six sharers is normally permitted development, so no planning application is needed, unless the council has made an Article 4 Direction, in which case that right is removed and you need full permission. This is the single most expensive thing to discover after exchange rather than before. Planning and licensing are separate systems: holding an HMO licence does not mean you have planning permission, and a council can grant one while enforcing against the other. Check for an Article 4 before you offer, not after.

Worked example

How it plays out

Josh agrees to buy a four-bedroom house in a city to convert into a five-person shared house. Before exchange his solicitor checks the council’s planning pages and finds an Article 4 Direction covering the area, so the change to a small HMO needs planning permission. Josh makes his offer conditional on permission. The council refuses it, and he walks away before committing rather than owning a house he cannot use as planned.
An illustrative example. Names, places and figures are made up.

Common mistakes

Where landlords go wrong

  1. 01Assuming an HMO licence means planning permission is in place.
  2. 02Checking for an Article 4 Direction after exchanging contracts.
  3. 03Assuming nearby streets are covered by the same rules.

What to do

A short checklist

  • Check the council’s Article 4 maps before offering on a planned HMO.
  • Ask the council whether your plan needs permission.
  • Keep planning and licensing documents separately in the property file.

Sources

Checked against these sources on 16 September 2026. A guide to the rules in England, not legal advice: for a dispute or a possession claim, speak to a solicitor.

All glossary termsRenters’ Rights Act 2025UK regulationsLandlord guides