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.

• 29 Belsize Lane London NW3 5AS

  2018/3976/P 0m away

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

  Withdrawn Full applications

• 29 Belsize Lane London NW3 5AS

  2018/4114/A 0m 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  Withdrawn

• 13 Belsize Mews London NW3 5AT

  2021/3043/P 1m 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 1m 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 1m 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

  2019/2676/P Submitted 23 May 2019 2m away

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

  Withdrawn Full applications 21 docs

• 2026/3834/P Awaiting decision

  49 Maitland Park Road London NW3 2HA

  Enclosure of balcony area on front elevation at 1st floor level to provide habitable accommodation ancillary to the existing residential use of the dwellinghouse (Class C3).

  14 Sep 2026 Lawful development
• 2026/3983/P Awaiting decision

  Flat 3 3 Templewood Avenue London NW3 7UY

  Internal alterations to flats 1 and 3 including removal of internal walls

  14 Sep 2026 Lawful development
• 2026/3289/P Granted

  1 Elliott Square London NW3 3SU

  Replacement of front garage door with half-height infill wall and aluminium window.

  11 Aug 2026 Lawful development
• 2026/3230/P Granted

  6 Lyndhurst Road London NW3 5PX

  Amalgamation of the existing lower ground floor flat and upper maisonette into a single dwellinghouse, involving the formation of a new internal staircase and associated internal alterations.

  29 Jul 2026 Lawful development
• 2026/3948/P Awaiting decision

  34 Prince Of Wales Road London NW5 3LG

  Erection of single storey outbuilding in rear garden.

  11 Sep 2026 Lawful development