5 Belsize Park Mews London NW3 5BL

This site has had 4 applications since 2021: 1 approved, 1 refused.

• 2022/3456/P Withdrawn

  5 Belsize Park Mews London NW3 5BL

  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.)

  Decided 11 Jan 2023 Amendments
• 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
• 2021/3864/P Refused

  5 Belsize Park Mews London NW3 5BL

  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

  Decided 5 Nov 2021 Full applications

1. 28 May 2021

   Decision issued: Withdrawn Decision

2. 22 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. 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 50 yards 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  Withdrawn Amendments Extension Windows or glazing 6 docs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 50 yards 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

  2021/5690/P 50 yards 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

• 5 Belsize Park Mews London Camden NW3 5BL

  2022/1273/P 50 yards away

  Details of privacy screen and planter required by condition 4 of 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. Insertion of rear windows.'

  Granted Full applications Extension Windows or glazing
  Small domestic

• 3 Belsize Park Mews LONDON NW3 5BL

  2017/6198/P Submitted 3 Nov 2017 50 yards away

  Erection of extension at roof level

  Granted Householder Extension 11 docs
  Domestic

• 15 Belsize Park Mews London NW3 5BL

  2026/3909/P Submitted 10 Sep 2026 50 yards away

  99% 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 13 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