21 Healey Street London NW1 8SR

This site has had 2 applications since 2016: 1 approved, 1 refused.

• 2020/2640/P Granted

  21 Healey Street London NW1 8SR

  Amendments to application ref.2015/6097/P (allowed on appeal under ref. APP/X5210/d/16/3147399 dated 6/7/16) for (Erection of a mansard roof extension. Demolition of existing part single, part two storey rear extension and erection of ground floor rear extension with roof terrace above and erection of first floor part width rear extension) namely to reduce depth of ground floor extension and change fenestration and retain closet wing in existing form

  Decided 6 Jul 2020 Full applications

1. 4 Feb 2016

   Decision issued: Refused

2. 22 Jul 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 2020/2640/P Granted

  21 Healey Street London NW1 8SR

  Amendments to application ref.2015/6097/P (allowed on appeal under ref. APP/X5210/d/16/3147399 dated 6/7/16) for (Erection of a mansard roof extension. Demolition of existing part single, part two storey rear extension and erection of ground floor rear extension with roof terrace above and erection of first floor part width rear extension) namely to reduce depth of ground floor extension and change fenestration and retain closet wing in existing form

  Decided 6 Jul 2020 Full applications

This application is at appeal, which passes the decision from Camden to the planning inspectorate, and the outcome will replace the council's decision. 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 Healey Street London NW1 8SR

  2020/2640/P 0m away

  Amendments to application ref.2015/6097/P (allowed on appeal under ref. APP/X5210/d/16/3147399 dated 6/7/16) for (Erection of a mansard roof extension. Demolition of existing part single, part two storey rear extension and erection of ground floor rear extension with roof terrace above and erection of first floor part width rear extension) namely to reduce depth of ground floor extension and change fenestration and retain closet wing in existing form

  Granted Full applications Extension Loft or dormer +2

• 23 Healey Street London NW1 8SR

  2015/6912/P 6m away

  Erection of a two storey rear extension, first floor rear terrace, insertion of roof lights, replace the second floor rear UPVC window with a timber frame and converting the first floor rear window to a door.

  Granted Full applications Extension Loft or dormer +1

• 23 Healey Street London NW1 8SR

  2016/4728/P 6m away

  Erection of two storey rear extension, replacement of uPVC windows with timber framed units and installation of roof lights in main roof

  Refused Full applications Extension Loft or dormer +1

• 23 Healey Street London NW1 8SR

  2016/4729/P 6m away

  Erection of mansard third floor roof extension to create additional accommodation

  Refused Full applications Extension Loft or dormer

• 23 Healey Street London NW1 8SR

  2016/1593/P 6m away

  Demolition of existing single storey extension, creation of two storey rear extension, and addition of timber sash window in the closet wing.

  Granted Full applications Extension Demolition +1
  Small domestic

• 23 Healey Street London NW1 8SR

  2016/1596/P 6m away

  Erection of a third floor roof extension to create additional accommodation .

  Refused Full applications 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