cam:2026/4029/PPlanning Application cam:2026/4029/P

Full Planning Permission application at Belsize Square Apartments 25 Belsize Square London NW3 4HU, Camden. View planning documents, track the decision and get email alerts on updates.

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Change of use of serviced apartments/short term visitor accommodation (Class C1) to residential (Class C3) to provide 6 x flats, erection of; new and replacement dormers to front and rear roof slopes, rear extensions to lower ground floor, creation of rear terraces to rear extensions and rear roof slope, addition of replacement of sash windows with glazed doors to upper ground floor at rear.

2026/4029/P

Full Planning Permission

Belsize Square Apartments 25 Belsize Square London NW3 4HU

SubmittedSubmitted21 Sept

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

6 weeks typical decision time in Camden100% of full planning permission applications approved

This is a planning application for a change of use at Belsize Square Apartments 25 Belsize Square London NW3 4HU. Camden has handled 506 applications of this type and approves nearly all of them, typically deciding them in 42 days. It was submitted on 21 September 2026 and is still awaiting a decision. The site is in the Belsize Park conservation area. There are no previous applications recorded at this address. In the past year there have been 232 applications across Belsize. We hold 1,731 applications in total for the NW3 postcode area.