13 Belsize Mews London Camden NW3 5AT

1. 7 May 2026

   Received by Camden

2. 8 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 9 Jun 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Camden granted permission on 9 June 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.

• 13 Belsize Mews London NW3 5AT

  2021/3043/P 50 yards away

  Details of new door pursuant to condition 2 of planning permission 2020/5948/P granted 08/04/2021 for 'Replacement of existing kitchen window on first floor at rear with door to enable access to flat roof (for maintenance purposes)'

  Granted Full applications Windows or glazing

• 13 Belsize Mews / 29 Belsize Lane London NW3 5AT

  2020/5948/P 50 yards away

  Replacement of existing kitchen window on first floor at rear with door to enable access to flat roof (for maintenance purposes).

  Granted Full applications Windows or glazing

• 13 Belsize Mews & 29 Belsize Lane London NW3 5AT

  2020/0428/P 50 yards away

  Erection of a single storey extension and formation of roof terrace at first floor level at 13 Belsize Mews; and relocation of the existing plant equipment at first floor associated with the ground floor restaurant at 29 Belsize Lane.

  Refused Full applications Extension
  Small domestic

• 29 Belsize Lane London NW3 5AS

  2018/3976/P Submitted 16 Aug 2018 50 yards away

  Replacement of plant equipment, screening and planters on flat roof to rear.

  Withdrawn Full applications 18 docs

• 29 Belsize Lane London NW3 5AS

  2019/2676/P Submitted 23 May 2019 50 yards away

  Erection of additional storey on roof to provide a new self-contained (two bedroom) flat

  Withdrawn Full applications 21 docs

• 29 Belsize Lane London NW3 5AS

  2018/4114/A Submitted 23 Aug 2018 50 yards away

  Installation of 1 x internally illuminated projecting sign; 1 x internally illuminated sign suspended internally; 1 x fascia sign, and; 1 x vinyl sign to shop.

  Withdrawn Advertising 11 docs

• 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