3 Princess Mews London NW3 5AP

1. 20 May 2026

   Received by Camden

2. 15 Jul 2026

   Decision issued: Granted

3. 24 Jul 2026

   Added to PlanIndex

Camden granted permission on 15 July 2026, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 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

• 4 Princess Mews London NW3 5AP

  2016/6553/P 50 yards away

  Alteration to rear slope of existing mansard roof to provide additional living space; erection of glazed roof access extension; installation of four obscure glazed windows to rear elevation; other alterations to front facade

  Granted Full applications Extension Loft or dormer +1

• 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

• Rear 1st and 2nd Floors (Flat 4) 58 A Belsize Lane London NW3 5AR

  2022/4945/P 50 yards away

  Amendment to planning permission (2021/5411/P) dated 31/01/2022 (for Installation of oriel bay window and replacement of two existing windows at the rear and on the side of the building), namely to change the appearance of the oriel bay window from glass to lead cladded solid wall and increase the oriel bay window footprint.

  Granted Full applications Windows or glazing

• Rear 1st and 2nd Floors (Flat 4) 58A Belsize Lane London NW3 5AR

  2021/5411/P 50 yards away

  Installation of oriel bay window and replacement of two existing windows at the rear and on the side of the building.

  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

• 2026/4031/P Awaiting decision

  10 Albert Street London NW1 7NZ

  Erection of an extension to widen rear dormer window at second floor.

  Received 2 Oct, published by the council 6 Oct 2026 Householder
• 2026/3231/P Granted

  9 Wadham Gardens London NW3 3DN

  Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.

  Received 30 Jul, published by the council 9 Aug 2026 Householder
• 2026/4030/P Awaiting decision

  6 Leverton Street London NW5 2PJ

  Replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Householder
• 2026/3493/P Granted

  2 Wildwood Terrace London NW3 7HT

  Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.

  Received 14 Aug, published by the council 22 Aug 2026 Householder
• 2026/2003/P Granted

  23 Glenmore Road London NW3 4BY

  Installation of external AC unit with acoustic enclosure to rear garden.

  Received 29 May, published by the council 24 Jul 2026 Householder