123 Castlehaven Road London NW1 8SJ

This site has had 2 applications since 2012: 2 approved, 0 refused.

• 2012/2095/P Granted

  123 Castlehaven Road London NW1 8SJ

  Retention of 2 x two bedroom self-contained flats at first and second floor levels as replacement for three bedroom maisonette including the replacement of existing windows with uPVC framed windows and the creation of a roof terrace (Class C3).

  Decided 13 Dec 2012 Full applications

1. 8 Dec 2023

   Received by Camden

2. 4 Jan 2024

   Validated

   Checked as complete and ready for consideration.

3. 26 Jan 2024

   Decision issued: Granted

4. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 26 January 2024, 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.

• 123 Castlehaven Road London NW1 8SJ

  2012/2095/P 50 yards away

  Retention of 2 x two bedroom self-contained flats at first and second floor levels as replacement for three bedroom maisonette including the replacement of existing windows with uPVC framed windows and the creation of a roof terrace (Class C3).

  Granted Full applications New dwelling Windows or glazing

• 125 Castlehaven Road London Camden NW1 8SJ

  2023/4546/P Submitted 21 Nov 2023 50 yards away

  Change of use from a mini cab office (Sui Generis) into a residential unit (Class C3) together with upwards extension and facade alterations

  Refused Full applications Extension 9 docs

• 121 Castlehaven Road London NW1 8SJ

  2019/0080/P Submitted 7 Jan 2019 50 yards away

  Change of use from A5 (Take Away) to A1 (Retail) at ground floor. Erection of 1st floor rear extension and rear balcony at 2nd floor. Creation of self-contained access to existing flat at ground floor.

  Granted Full applications Extension 23 docs

• Flat B 119 Castlehaven Road London NW1 8SJ

  2022/4079/P Submitted 22 Sep 2022 50 yards away

  Retention of railings at roof level

  Granted Lawful development 6 docs

• 119 Castlehaven Road London NW1 8SJ

  2019/5439/P 50 yards away

  Change of use from betting shop (Sui Generis) to tanning salon (Sui Generis) (Retrospective)

  Granted Full applications

• 21 Prince of Wales Road London NW5 3LH

  2014/0302/P 50 yards away

  Erection of 2 storey rear extension, mansard roof extension at 3rd floor level associated with conversion of existing dwelling to 3 x 2 bedroom flats.

  Granted Full applications New dwelling Extension +1
  Domestic

• 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