27 Belsize Square London NW3 4HU

1. 18 Nov 2024

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

2 later applications on the register refer to this one:

• 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

Camden granted permission on 18 November 2024, 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 full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 27 Belsize Square London Camden NW3 4HU

  2026/2246/P Submitted 2 Jun 2026 50 yards away

  Change of use/amalgmation of 1st floor flat and 2nd floor/attic flat into one flat.

  Granted Lawful development 7 docs
  Domestic

• 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

• 2026/0369/P Granted

  Railway embankment and land west of 49 Adelaide Road London NW3 3QB

  Installation of a new DNO (Distribution Network Operator) cabinet and erection secure access gate to Adelaide Road, erection of staircase to railway embankment, associated works.

  Received 17 Jul, published by the council 24 Jul 2026 Full applications
• 2026/3694/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 19 (external lighting) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 27 Aug, published by the council 5 Sep 2026 Full applications
• 2026/3904/P Granted

  14 Templewood Avenue London NW3 7XA

  Details pursuant to Condition 5 (Tree protection measures) of planning permission 2026/2315/P dated 10/08/2026 for "Erection of an orangery/outbuilding in the rear garden."

  Received 9 Sep, published by the council 11 Sep 2026 Full applications
• 2025/2002/P Granted

  11 Doughty Street London WC1N 2PL

  Change of use from office (Class E) to residential to form a single-family dwelling (Class C3); associated internal and external alterations

  Received 9 May, published by the council 22 Jul 2026 Full applications
• 2026/3551/P Granted

  19 Charterhouse Street London EC1N 6RA

  Details pursuant to condition 21 (Details of gates/barriers onto Charterhouse Street) of planning permission 2025/1683/P, granted subject to a legal agreement on 05/06/2026, for remodelling, refurbishment and extensions (including 3 additional storeys) of the existing building to provide Use Class E (commercial, retail/restaurant and jewellery workspace) and associated landscaping and facade works.

  Received 19 Aug, published by the council 22 Aug 2026 Full applications