5 Belsize Park Mews London Camden NW3 5BL

1. 30 May 2022

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

• 2021/5690/P Granted

  5 Belsize Park Mews London NW3 5BL

  Erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows.

  Decided 21 Feb 2022 Full applications

Camden granted permission on 30 May 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.

• 5 Belsize Park Mews London NW3 5BL

  2022/3456/P Submitted 23 Sep 2022 0m away

  Non-material amendment for replacement of frosted glass wall on the second floor northern rear elevation and north eastern side elevation with painted rendered wall as an amendment to planning permission 2021/5690/P dated 21/02/2022 (for erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows.)

  Withdrawn Amendments Extension Windows or glazing 6 docs
  Small domestic

• 5 Belsize Park Mews London NW3 5BL

  2021/3864/P 0m away

  Erection of single storey roof extension and terrace. Erection of single storey rear extension with associated rear 1st floor terrace. Insertion of roof lights. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows

  Refused Full applications Extension Loft or dormer +1
  Small domestic

• 5 Belsize Park Mews London NW3 5BL

  2021/0706/P 0m away

  Erection of single storey roof extension and front terrace. Erection of two storey rear extension. Demolition and creation of a new rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows

  Withdrawn Full applications Extension Demolition +1
  Small domestic

• 5 Belsize Park Mews London NW3 5BL

  2021/5690/P 0m away

  Erection of single storey roof extension and front terrace. Erection of part single/part two storey rear extension and rear terrace at first floor. Front fenestration alterations including replacement of garage door with windows. Insertion of rear windows.

  Granted Full applications Extension Windows or glazing
  Small domestic

• 3 Belsize Park Mews LONDON NW3 5BL

  2017/6198/P 15m away

  Erection of extension at roof level

  Granted Full applications Extension

• 15 Belsize Park Mews London NW3 5BL

  2026/3909/P Submitted 10 Sep 2026 18m away

  98% historically approved · decision due ~9 Nov

  Variation of Condition 2 (Approved Plans) of planning reference 2023/3492/P dated 07/08/26 for erection of roof extension, new basement level, alterations to fenestration and associated works. NAMELY: to allow revisions to the external architectural treatment of approved development.

  Awaiting decision Amendments Extension Windows or glazing 10 docs

• 2026/3898/P Awaiting decision

  98 Marchmont Street London WC1N 1AG

  Installation of a new kitchen extraction and ventilation system to the rear of the premises, including associated external ductwork, extraction plant and ancillary equipment.

  16 Sep 2026 Full applications
• 2026/2709/P Awaiting decision

  166A Camden Street London NW1 9PT

  Change of use from Use Class E to C3 Residential, demolition of existing store and office space, and erection of a three-bedroom dwellinghouse.

  16 Sep 2026 Full applications
• 2026/3994/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Details to discharge Condition 23 (LUL Subculture) of planning reference 2023/5240/P dated 26/01/26 for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, caf?? and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  15 Sep 2026 Full applications
• 2026/3993/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Details to discharge Condition 22 (LUL Infrastructure) of planning reference 2023/5240/P dated 26/01/26 for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, caf?? and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  15 Sep 2026 Full applications
• 2026/3861/P Awaiting decision

  Beaumont Court 1-45 College Grove London NW1 0RW

  Installation of condensors and minor alterations to elevations at lower floors.

  15 Sep 2026 Full applications