27 Belsize Square London Camden NW3 4HU

This site has had 4 applications since 2024: 4 approved, 0 refused.

• 2025/1386/P Granted

  27 Belsize Square London Camden NW3 4HU

  Non material amendment to planning permission 2024/4095/P granted on 18/11/2024 and including a replacement rear dormer extension, namely to change consented dormer cladding from lead to lead and slate tiles to match existing

  Decided 14 May 2025 Full applications
• 2025/0603/P Granted

  27 Belsize Square London Camden NW3 4HU

  Approval of details pursuant to condition 4 (drawings and materials of curved windows in the rear wing) of planning permission 2024/4095/P granted on 18/11/2024 for 'Replacement front and rear dormers, replacement roof tiles, replacement windows (2nd floor level, front and rear), new roof light on side roof slope and window in side elevation (2nd floor), replacement curved windows within curved bay (all levels)'

  Decided 7 Apr 2025 Full applications
• 2024/4096/P Granted

  27 Belsize Square London Camden NW3 4HU

  Installation of railings on roof of rear, three storey wing and formation of access door within roof slope (to enable use as a terrace).

  Decided 21 Nov 2024 Full applications

1. 2 Jun 2026

   Received by Camden

2. 3 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Jul 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Camden granted permission on 15 July 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 27 Belsize Square London NW3 4HU

  2024/4095/P 50 yards away

  Replacement front and rear dormers, replacement roof tiles, replacement windows (2nd floor level, front and rear), new roof light on side roof slope and window in side elevation (2nd floor), replacement curved windows within curved bay (all levels)

  Granted Full applications Loft or dormer Roofing +1

• 27 Belsize Square London Camden NW3 4HU

  2025/0603/P 50 yards away

  Approval of details pursuant to condition 4 (drawings and materials of curved windows in the rear wing) of planning permission 2024/4095/P granted on 18/11/2024 for 'Replacement front and rear dormers, replacement roof tiles, replacement windows (2nd floor level, front and rear), new roof light on side roof slope and window in side elevation (2nd floor), replacement curved windows within curved bay (all levels)'

  Granted Full applications Loft or dormer Roofing +1

• 27 Belsize Square London Camden NW3 4HU

  2025/1386/P 50 yards away

  Non material amendment to planning permission 2024/4095/P granted on 18/11/2024 and including a replacement rear dormer extension, namely to change consented dormer cladding from lead to lead and slate tiles to match existing

  Granted Full applications Extension Loft or dormer

• 16 Belsize Square

  2020/1958/P 50 yards away

  Replacement of windows and doors with double glazed windows and doors.

  Withdrawn Full applications Windows or glazing

• 15 A Belsize Square London NW3 4HT

  2014/3310/T 50 yards away

  (TPO Ref 27H) FRONT GARDEN: 1 x Silver Birch - Reduce back to previous reduction point

  Granted Trees

• 15 Belsize Square London NW3 4HT

  2020/3559/P 50 yards away

  Conversion of 2 flats at upper ground and 1st floor levels to form 1 self-contained maisonette (Class C3).

  Granted Full applications New dwelling
  Several homes

• 2026/4314/P Awaiting decision

  Basement Flat & Flat Raised Ground Floor 46 Primrose Hill Road London NW3 3AA

  Amalgamation of two self-contained flats to form a self-contained maisonette on lower ground and raised ground floor.

  Received 6 Oct, published by the council 9 Oct 2026 Lawful development
• 2026/4304/P Awaiting decision

  68 Clarence Way London NW1 8DG

  Erection of single storey outbuilding in rear garden.

  Received 2 Oct, published by the council 9 Oct 2026 Lawful development
• 2026/3821/P Granted

  Plots B, C and D at Highgate Studios Highgate Road London NW5 1TL

  Certificate of Lawful Development to confirm the lawful use of the site is for office use (Class E(g)(i)) and that the use of the site as a gym (Class E(d)) or any other use falling within Class E would be lawful.

  Received 4 Sep, published by the council 11 Sep 2026 Lawful development
• 2026/3389/P Granted

  99 Heath Street London NW3 6SS

  Confirmation of the implementation of planning permission 2007/3874/P granted, subject to a legal agreement dated 06/12/2007 for 'Change of use from offices (A2) to single family dwellinghouse (C3), the erection of extension at rear ground floor level within courtyard and formation of a terrace over, extension at ground floor level to western end of courtyard, creation of off-street open car parking space and minor elevational changes to The Mount elevation.', by way of erection of the extension at ground floor level to the western end of the courtyard, creation of an off-street car parking space, and minor elevational changes to the Mount elevation.

  Received 7 Aug, published by the council 15 Aug 2026 Lawful development
• 2026/2493/P Granted

  8 Fitzroy Road London Camden NW1 8TX

  Use of the entire building for a single-family home (C3 residential).

  Received 16 Jun, published by the council 24 Jul 2026 Lawful development