80 B Camden Mews London NW1 9BX

1. 15 Jul 2026

   Received by Camden

2. 24 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 18 September 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.

• 2025/2471/P Granted

  80B Camden Mews London NW1 9BX

  Erection of single storey rear extension, erection of rear dormer, insertion of new door and replacement of door and cladding on second floor front elevation, replacement of garage door with new window opening associated with garage conversion, insertion of front rooflights, replacement front door with new canopy, replacement of windows on all elevations.

  Decided 25 Jul 2025 Full applications

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided amendment applications in a median of 49 days. More in our guide to how long planning decisions take.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• 80B Camden Mews London NW1 9BX

  2026/0837/P Submitted 6 Mar 2026 50 yards away

  Non-material amendment to planning permission 2025/2471/P dated 25/07/2025 for 'Erection of single storey rear extension, erection of rear dormer, insertion of new door and replacement of door and cladding on second floor front elevation, replacement of garage door with new window opening associated with garage conversion, insertion of front rooflights, replacement front door with new canopy, replacement of windows on all elevations' NAMELY to amend the colour of the window and door frames and timber cladding.

  Granted Amendments Extension Loft or dormer +1 6 docs
  Small domestic

• 80B Camden Mews London NW1 9BX

  2025/2471/P 50 yards away

  Erection of single storey rear extension, erection of rear dormer, insertion of new door and replacement of door and cladding on second floor front elevation, replacement of garage door with new window opening associated with garage conversion, insertion of front rooflights, replacement front door with new canopy, replacement of windows on all elevations.

  Granted Full applications Extension Loft or dormer +1
  Small domestic

• 84 Camden Mews London NW1 9BX

  2010/4473/P 50 yards away

  Conversion of existing integral garage into a habitable room and associated external alterations to include remodelling of façade, replacement of windows and boarding on front and rear elevation, erection of glazed front porch and bicycle store, extension of existing roof extension onto terrace, replacement of existing balustrade with stainless steel and glass balustrade, erection of rear extension at ground floor level and installation of rooflights to front and rear roofslope to residential dwelling (Class C3).

  Granted Full applications Extension Loft or dormer +1
  Small domestic

• 78 Camden Mews London NW1 9BX

  2011/1527/P 50 yards away

  Erection of second floor extension, alterations to fenestration and creation of bin and cycle storage at front ground floor, and replacement of railings to first floor balcony of dwelling house (Class C3)

  Withdrawn Full applications Extension Windows or glazing
  Domestic

• 78 Camden Mews London NW1 9BX

  2012/2867/P 50 yards away

  Erection of second floor roof extension including dormer window at rear, installation of window as replacement of garage door at front ground floor level to dwelling house. (Class C3).

  Granted Full applications Extension Loft or dormer +1
  Domestic

• 99A Camden Mews London NW1 9BU

  2023/1409/P 50 yards away

  Erection of roof extension involving demolition of hipped roof and new roof terrace. Window alterations to front and rear elevations.

  Granted Full applications Extension Roofing +2

• 2026/1982/P Granted

  29 Healey Street London NW1 8SR

  Variation of conditions 2 (approved plans) of planning permission 2025/1250/P granted 13/05/2025 (for: 'Erection of part one and part two storey rear extension and roof terrace at second floor; erection of a mansard roof extension.') namely to amend the materiality of the proposed rear elevation joinery.

  Received 18 May, published by the council 24 Jul 2026 Amendments
• 2026/4008/P Awaiting decision

  6 Murray Street London NW1 9RE

  Non-material amendment to planning permission ref. 2023/3483/P (dated 25/10/2023) for 'Erection of mansard roof extension and replacement shopfront', NAMELY for changes to the rear dormers.

  Received 16 Sep, published by the council 17 Sep 2026 Amendments
• 2026/3390/P Granted

  The British Museum Great Russell Street London WC1B 3DG

  Amendments to planning permission ref. 2025/0038/P dated 03/03/2025, as amended by ref. 2026/2945/P dated 24/07/2026 for the continued use of single storey structures at the south and north entrances to provide an external search facility to the museum for a temporary period, NAMELY to vary Condition 1 (temporary structure) to allow the continued use of the single storey security structure at the north entrance for a further temporary period.

  Received 7 Aug, published by the council 15 Aug 2026 Amendments
• 2025/4829/P Granted

  Former Hampstead Police Station 26 Rosslyn Hill London NW3 1PD

  Variation of condition 2 (Approved drawings) of application 2024/1078/P dated 24/07/2025 for 'Change of use from former police station (sui generis) to provide 5 residential units(Use Class C3) and commercial floorspace (Use Class E), space for a private healthcare use (Use Class E(e)). three storey and four storey rear extensions, replacement of windows, external alterations, landscaping, cycle and refuse storage, rooftop plant and associated ancillary works.' changes include replacement of 1970's extension, location of proposed plant, removal and addition of windows on rear elevation, landscaping alterations.

  Received 27 Oct, published by the council 24 Jul 2026 Amendments
• 2026/1189/P Granted

  Flat 2 47 Compayne Gardens London NW6 3DB

  Variation of condition 2 (approved drawings) of planning permission 2023/3067/P dated 21/06/2024 for 'Extension of existing basement and creation of terrace with bi fold doors and garden access stairs above, new lightwell to the side with metal grille cover, proposed side windows and landscaping to the side and rear' changes include changing location of the lightwell from side to front (Retrospective)

  Received 12 May, published by the council 24 Jul 2026 Amendments