Arches 29-41 Castle Mews London NW1 8SY

This site has had 2 applications since 2025.

• 2025/1352/P Withdrawn

  Arches 29-41 Castle Mews London NW1 8SY

  Partial demolition of existing warehouse; refurbishment and extension of existing warehouse; external alterations to existing railway arches on east and west elevations; and associated works related to the continued use of the site as a builders merchant (Sui Generis), and/or Class B8 (Storage and Distribution) and/or Class E(g)(iii) (Light Industrial) uses.

  Decided 9 Jun 2026 Full applications

1. 30 Jul 2026

   Received by Camden

2. 4 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 9 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 29 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Camden took a median of 43 days over the applications it decided in the last year.

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 61 days. More in our guide to how long planning decisions take.

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.

• Arches 29-31 Castle Mews London NW1 8SY

  2024/2921/P 50 yards away

  Demolition of rear infills to 3 x arches.

  Granted Full applications Demolition

• Arches 29-41 Castle Mews London NW1 8SY

  2025/1352/P Submitted 27 Mar 2025 50 yards away

  Partial demolition of existing warehouse; refurbishment and extension of existing warehouse; external alterations to existing railway arches on east and west elevations; and associated works related to the continued use of the site as a builders merchant (Sui Generis), and/or Class B8 (Storage and Distribution) and/or Class E(g)(iii) (Light Industrial) uses.

  Withdrawn Full applications Extension Demolition 33 docs

• 60 Hadley Street London NW1 8TA

  2013/0567/P 50 yards away

  Erection of extensions at rear ground and first floor level in connection with existing dwellinghouse (Class C3).

  Granted Full applications Extension
  Domestic

• 60 Hadley Street London NW1 8TA

  2012/5534/P 50 yards away

  Erection of extensions at rear ground and first floor level in connection with existing dwelling (Class C3)

  Withdrawn Full applications Extension
  Domestic

• 60 Hadley Street London NW1 8TA

  2012/5655/P 50 yards away

  Erection of an additional floor at roof level and formation of a rear terrace at second floor level at existing residential dwelling (Class C3).

  Withdrawn Full applications
  Domestic

• 58 Hadley Street London NW1 8TA

  2017/6908/P Submitted 14 Dec 2017 50 yards away

  Details in pursuant to condition 4 (photovoltaic panels position) ref: 2016/4229/P dated 10/10/2016 for the erection of mansard roof and photovoltaic panels.

  Granted Full applications Loft or dormer 3 docs

• 2026/0990/P Refused

  1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

  Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

  Received 26 Mar, published by the council 24 Jul 2026 Full applications
• 2026/3044/P Granted

  London Irish Centre 50-52 Camden Square London NW1 9XB

  Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

  Received 20 Jul, published by the council 2 Aug 2026 Full applications
• 2026/4338/P Awaiting decision

  32 Willoughby Road London NW3 1RU

  Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/4141/P Awaiting decision

  24 Endell Street London WC2H 9HQ

  Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/3907/P Awaiting decision

  Flat 1 16 Lyndhurst Road London NW3 5NL

  External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications