Harrow · Article 4

Article 4 Directions in Harrow

1 active direction in our records · 1 HMO-related

An Article 4 direction removes specified permitted development rights in a defined area, so that changes which would normally be automatic instead need a full planning application. For HMOs this usually means removing the right to convert a home (use class C3) to a small HMO (C4). The directions below for Harrow are sourced from planning.data.gov.uk; coverage varies by council, so always verify with the local planning authority before relying on it.

HMO-related Article 4 directions

Borough-wide Article 4 (HMO) — Harrow HMO since 2026
Removes permitted development rights for change of use from C3 (dwellinghouse) to C4 (small HMO) across the whole London Borough of Harrow. IN FORCE FROM 12 JUNE 2026 - the council's own news page: 'From today (Friday 12 June), landlords will need planning permission for all HMOs.' An HMO created before that date may …

The HMO angle in Harrow

Article 4 is only half the HMO picture — a scheme can be permitted-development-free and still need a licence. See HMO licensing in Harrow for the mandatory licence threshold, any additional or selective schemes in our records, and the statutory minimum room sizes, or the full Harrow planning profile.