4 Princess Mews London NW3 5AP

This site has had 3 applications since 2017: 3 approved, 0 refused.

• 2018/3842/P Granted

  4 Princess Mews London NW3 5AP

  Installation of 1 air-conditioning unit and associated acoustic enclosure on roof terrace (retrospective)

  Decided 9 Nov 2018 Householder
• 2017/2916/P Granted

  4 Princess Mews London NW3 5AP

  Details of materials of glazed roof structure in relation to condition 5 of planning permission 2016/6553/P (dated 15/02/2017) for Alteration to rear slope of existing mansard roof; erection of glazed roof access extension; and other alterations

  Decided 9 Jun 2017 Full applications

1. 15 Feb 2017

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• 2017/2916/P Granted

  4 Princess Mews London NW3 5AP

  Details of materials of glazed roof structure in relation to condition 5 of planning permission 2016/6553/P (dated 15/02/2017) for Alteration to rear slope of existing mansard roof; erection of glazed roof access extension; and other alterations

  Decided 9 Jun 2017 Full applications

Camden granted permission on 15 February 2017, 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.

• 4 Princess Mews London NW3 5AP

  2017/2916/P 50 yards away

  Details of materials of glazed roof structure in relation to condition 5 of planning permission 2016/6553/P (dated 15/02/2017) for Alteration to rear slope of existing mansard roof; erection of glazed roof access extension; and other alterations

  Granted Full applications Extension Loft or dormer +1

• 4 Princess Mews London NW3 5AP

  2018/3842/P Submitted 8 Aug 2018 50 yards away

  Installation of 1 air-conditioning unit and associated acoustic enclosure on roof terrace (retrospective)

  Granted Householder 16 docs
  Domestic

• 3 Princess Mews London NW3 5AP

  2026/2009/P Submitted 20 May 2026 50 yards away

  Removal of rear roofslope to extend the second floor and enlarge the roof terrace above, replacement access structure to roof and new second floor window to rear wall.

  Granted Householder Windows or glazing 8 docs
  Domestic

• 54 Belsize Lane London NW3 5AR

  2018/2824/P Submitted 18 Jun 2018 50 yards away

  Change of use from Launderette (Sui Generis) to shop (Class A1).

  Refused Full applications 27 docs

• 6 Princess Mews London NW3 5AP

  2025/0037/P 50 yards away

  Replacement of existing timber garage doors and front door with timber door and cladding, conversion of existing garage into habitable space and erection of glazed roof access structure.

  Granted Full applications Windows or glazing

• 56 Belsize Lane London NW3 5AR

  2017/3412/P 50 yards away

  Removal of condition 3 (personal permission) of planning permission ref: 2014/3227/P (dated 24/07/2014 ) for the change of use from retail (A1) to a veterinary surgery (sui generis).

  Granted Full applications

• 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