21 Delancey Street London Camden NW1 7NP

This site has had 2 applications since 2022: 2 approved, 0 refused.

• 2022/1784/L Granted

  21 Delancey Street London Camden NW1 7NP

  Proposed internal alterations and external refurbishment, mainly to rear facade of existing rear extension and works to rear garden.

  Decided 7 Jul 2022 Heritage and listed buildings

1. 7 Jul 2022

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 7 July 2022, 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.

• 21 Delancey Street London NW1 7NP

  2011/5748/P 0m away

  Erection of mansard roof extension, replacement of extension at front basement level beneath entrance steps, installation of staircase and replacement window in front basement lightwell, installation of staircase from rear ground floor to garden, installation of rooflight at rear first floor level, reprofiling of rear garden and alterations to windows/doors on rear elevation all in connection with a single-family dwellinghouse (Class C3).

  Granted Full applications Extension Loft or dormer +1
  Domestic

• 21 Delancey Street London NW1 7NP

  2011/2726/P 0m away

  Additions and alterations including new roof extension with roof terrace to rear, garden level rear extension; alterations to rear windows at upper ground level; and internal alterations to existing four residential flats (Class C3).

  Withdrawn Full applications New dwelling Extension +2

• 21 Delancey Street London NW1 7NP

  2011/5749/L 0m away

  Erection of mansard roof extension, replacement of extension at front basement level beneath entrance steps, installation of staircase and replacement window in front basement lightwell, installation of staircase from rear ground floor to garden, installation of rooflight at rear first floor level, reprofiling of rear garden, alterations to windows/doors on rear elevation and internal alterations all in connection with a single-family dwellinghouse (Class C3).

  Granted Heritage and listed buildings Extension Loft or dormer +1
  Domestic

• 21 Delancey Street London NW1 7NP

  2011/5705/P 0m away

  Continued use as a single dwelling house (Class C3).

  Granted Full applications
  Domestic

• 21 Delancey Street London NW1 7NP

  2011/2728/L 0m away

  Additions and alterations including new roof extension with roof terrace to rear, garden level rear extension; alterations to rear windows at upper ground level; and internal alterations to existing four residential flats (Class C3).

  Withdrawn Heritage and listed buildings New dwelling Extension +2

• 21 Delancey Street London Camden NW1 7NP

  2022/1784/L 0m away

  Proposed internal alterations and external refurbishment, mainly to rear facade of existing rear extension and works to rear garden.

  Granted Heritage and listed buildings Extension

• 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