18 Belsize Crescent London NW3 5QU

This site has had 3 applications since 2011: 2 approved, 1 refused.

• 2012/5580/P Granted

  18 Belsize Crescent London NW3 5QU

  Erection of single storey glazed extension at lower ground floor level. Installation of new glazed panels around perimeter of repositioned retaining wall to existing dwelling house (class C3).

  Decided 11 Dec 2012 Full applications
• 2011/3241/T Granted

  18 Belsize Crescent London NW3 5QU

  REAR GARDEN: 1 x Cherry - Reduce and reshape the crown by 15-20%. Remove weak. suppressed and crossing branches. Deadwood.

  Decided 5 Jul 2011 Trees

1. 13 Jan 2014

   Decision issued: Refused

2. 22 Jul 2026

   Added to PlanIndex

Camden refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 18 Belsize Crescent London NW3 5QU

  2011/3241/T 0m away

  REAR GARDEN: 1 x Cherry - Reduce and reshape the crown by 15-20%. Remove weak. suppressed and crossing branches. Deadwood.

  Granted Trees

• 18 Belsize Crescent London NW3 5QU

  2012/5580/P 0m away

  Erection of single storey glazed extension at lower ground floor level. Installation of new glazed panels around perimeter of repositioned retaining wall to existing dwelling house (class C3).

  Granted Full applications Extension Windows or glazing
  Small domestic

• 16 Belsize Crescent London, NW3 5QU

  2010/1270/P 7m away

  Erection of a two-storey rear extension and associated alterations including the provision of a balcony and a new access to the garden at the upper ground level, following the demolition of the rear conservatory.

  Withdrawn Full applications Extension Demolition

• 16 Belsize Crescent London, NW3 5QU

  2010/3039/P 7m away

  Erection of balcony and access to the garden at the upper ground level, following the demolition of the rear conservatory at lower ground floor to single family dwelling (Class C3).

  Granted Full applications Extension Demolition
  Small domestic

• 16 Belsize Crescent London NW3 5QU

  2022/4465/T 7m away

  FRONT GARDEN: 1 x Himalayan Birch (Betula utilis var jacquemontii) (T1) - Reduce height and lateral growth by 1m resulting in a finished dimension of 8m tall & 4-5m wide, selectively thin canopy by 10% - 15% to allow more sunlight to penetrate without altering the size and shape of the canopy, lift canopy to 2.5m by removing low secondary branches to suitable growth points.

  Granted Trees

• 16 Belsize Crescent London NW3 5QU

  2017/5868/T 7m away

  FRONT GARDEN: 1 x Birch - Lift crown to 2.5m from ground level, cut back from street lamp to give 1m clearance, thin by 20%

  Granted Trees

• 2026/2471/P Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed elevational alterations to side and rear of the garden flat.

  15 Jun 2026 Full applications
• 2026/2467/P Granted

  42 Mornington Terrace London Camden NW1 7RT

  Replacement door and window at lower ground floor level to rear outrigger and installation of sandstone steps in rear garden.

  12 Jun 2026 Full applications
• 2026/2424/P Granted

  British Museum Great Russell Street London WC1B 3DG

  Details of SUDS system evidence required by Condition 10 of planning permission ref 2023/1848/P dated 17/07/2024 for Erection of new two storey building, plus basement and associated works to provide plant and welfare accommodation ancillary to the Museum following demolition of existing building and two storey structures on East Road (to the rear of 9-11 Montague Street and 43 Russell Square)

  11 Jun 2026 Full applications
• 2026/3888/P Awaiting decision

  Unit A, Ground Floor West 3-5 Bleeding Heart Yard London EC1N 8SJ

  Replace solid metal ground floor entrance door with glazed entrance door (Retrospective).

  9 Sep 2026 Full applications
• 2026/3903/P Awaiting decision

  2 Fellows Road London NW3 3LP

  Details pursuant to Condition 4 (Materials Details) of planning permission ref. 2026/2123/P (dated 21/07/2026) for: Amalgamation of existing two flats into one single dwellinghouse (Class C3); garage conversion to habitable space; infill extension at front lower ground and ground floors; minor changes to fenestration at rear; erection of copper roof extension with rooflight to existing rear extension; replacement terrace railings; installation of rooflight to main roof; new front boundary railings and gates; refurbishment of front steps; rear garden landscaping works; and associated exterior alterations.

  9 Sep 2026 Full applications