8 Belsize Park Mews London NW3 5BL

1. 27 Jan 2026

   Received by Camden

2. 16 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 13 April 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 42 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 householder applications in a median of 58 days. More in our guide to how long planning decisions take.

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.

• 9 Belsize Park Mews London NW3 5BL

  2017/4439/P 8m away

  Details of natural slate sample required by condition 3 of 2016/5863/P dated 02/02/2017 for replacement of existing sedum green roof with zinc cladding on the flat roof and natural slates on the rear roofslope.

  Granted Full applications

• 9 Belsize Park Mews London NW3 5BL

  2013/0466/P 8m away

  Erection of roof extension with green roof and front roof terrace enclosed by timber privacy screen all in connection with existing dwellinghouse (Class C3).

  Withdrawn Full applications Extension
  Domestic

• 9 Belsize Park Mews London NW3 5BL

  2016/5863/P 8m away

  Replacement of existing sedum green roof with zinc cladding on the flat roof and natural slates on the rear roofslope.

  Granted Full applications

• 9 Belsize Park Mews, London, NW3 5BL

  2015/5238/P 8m away

  Installation of three vent pipes on roof

  Granted Full applications

• 9 Belsize Park Mews London NW3 5BL

  2013/2506/P 8m away

  Erection of additional floor at second floor level, to include green roof, 2 x roof lights to rear roof slope, 2 x balustrades to front elevation of single dwelling house (Class C3).

  Refused Full applications Loft or dormer
  Domestic

• 10 Belsize Park Mews London NW3 5BL

  2020/5034/P Submitted 18 Nov 2020 17m away

  Erection of a single storey replacement rear extension; conversion of garage to habitable accommodation; alterations to fenestration including the insertion of rooflights to the flat roof, rendering of part of front and rear façade; and associated landscaping works including resurfacing and bin store to the front of the property.

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 2026/3919/P Awaiting decision

  7A Pilgrim's Lane London NW3 1SJ

  Replacement trellis above side boundary wall to rear garden and replacement flat roof to existing rear extension.

  16 Sep 2026 Householder
• 2026/2186/P Awaiting decision

  85 Priory Road London NW6 3NL

  Installation of air conditioning condenser unit and associated acoustic enclosure in the side passageway.

  15 Sep 2026 Householder
• 2026/2601/P Refused

  128 St Pancras Way London NW1 9NB

  Erection of rear extension.

  17 Jul 2026 Householder
• 2026/3952/P Awaiting decision

  9 St Paul's Mews London NW1 9TZ

  Existing doors to the rear elevation at first and second floor to be replaced with new French doors and windows.

  11 Sep 2026 Householder
• 2026/3627/P Awaiting decision

  83 Highgate West Hill London N6 6LU

  Erection of two rear dormers replacing the existing rear dormer, removal of the existing triangular front dormer, replacement of existing handrails with metal railings, installation of an A/C unit on rooftop, replacement of the glazed roof of the lower ground floor rear extension with a solid flat roof, and re-landscaping to front courtyard.

  10 Sep 2026 Householder