89 Belsize Lane London NW3 5AU

This site has had 10 applications since 2012: 8 approved, 0 refused.

• 2025/5378/L Granted

  89 Belsize Lane London NW3 5AU

  Erection of dormer window to rear roofslope; relocation of rear vent pipe to roof; and internal alterations including reconfiguration of top floor bedroom and repositioning of internal wall within ground floor study.

  Decided 11 Mar 2026 Heritage and listed buildings
• 2025/5377/P Granted

  89 Belsize Lane London NW3 5AU

  Erection of dormer window to rear roofslope and relocation of rear vent pipe to roof.

  Decided 11 Mar 2026 Householder
• 2025/0507/T Granted

  89 Belsize Lane London NW3 5AU

  REAR GARDEN: 1 x Sycamore (T1) - Remove new growth back to previous points of reduction: 1.5m circa.

  Decided 13 Mar 2025 Trees
• 2021/0832/T Granted

  89 Belsize Lane London NW3 5AU

  REAR GARDEN: 1 x Sycamore - Reduce by 1.5m back to previous pruning points.

  Decided 22 Mar 2021 Trees
• 2017/2454/L Withdrawn

  89 Belsize Lane London NW3 5AU

  Erection of rear dormer with associated terrace, 2 x rooflights to rear roofslope; erection of single storey 2nd floor extension above existing closet wing with lantern rooflight; alterations to front entrance steps; and internal alterations.

  Decided 14 Jun 2017 Heritage and listed buildings
• 2014/8008/T Granted

  89 Belsize Lane London NW3 5AU

  REAR GARDEN: 1 x Sycamore - Reduce back to previous reductiion points.

  Decided 29 Jan 2015 Trees
• 2012/2642/T Granted

  89 Belsize Lane London NW3 5AU

  REAR GARDEN: 1 x Sycamore - Crown reduce by 25% to previous points.

  Decided 28 May 2012 Trees
• 2012/1189/P Granted

  89 Belsize Lane London NW3 5AU

  Erection of extension with lantern light at rear second floor level, installation of two dormer windows in rear roofslope and alterations to front entrance steps all in connection with exiting single-family dwellinghouse (Class C3).

  Decided 1 May 2012 Full applications
• 2012/1335/L Granted

  89 Belsize Lane London NW3 5AU

  Erection of extension with lantern light at rear second floor level, installation of dormer window in rear roofslope and alterations to front entrance steps all in connection with exiting single-family dwellinghouse (Class C3).

  Decided 1 May 2012 Heritage and listed buildings

1. 14 Jun 2017

   Decision issued: Withdrawn Decision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.

• 89 Belsize Lane London NW3 5AU

  2025/0507/T 0m away

  REAR GARDEN: 1 x Sycamore (T1) - Remove new growth back to previous points of reduction: 1.5m circa.

  Granted Trees

• 89 Belsize Lane London NW3 5AU

  2017/2454/L 0m away

  Erection of rear dormer with associated terrace, 2 x rooflights to rear roofslope; erection of single storey 2nd floor extension above existing closet wing with lantern rooflight; alterations to front entrance steps; and internal alterations.

  Withdrawn Heritage and listed buildings Extension Loft or dormer
  Small domestic

• 89 Belsize Lane London NW3 5AU

  2012/2642/T 0m away

  REAR GARDEN: 1 x Sycamore - Crown reduce by 25% to previous points.

  Granted Trees

• 89 Belsize Lane London NW3 5AU

  2025/5378/L Submitted 27 Nov 2025 0m away

  Erection of dormer window to rear roofslope; relocation of rear vent pipe to roof; and internal alterations including reconfiguration of top floor bedroom and repositioning of internal wall within ground floor study.

  Granted Heritage and listed buildings Loft or dormer Windows or glazing 29 docs

• 89 Belsize Lane London Camden NW3 5AU

  2025/5380/P Submitted 27 Nov 2025 0m away

  Erection of a second floor mansard style extension upon existing rear outrigger to create a bathroom; raising of outrigger parapet wall; alteration to lower part of second floor rear window to create doorway; and associated alterations.

  Withdrawn Householder Extension Loft or dormer +1 23 docs
  Domestic

• 89 Belsize Lane London Camden NW3 5AU

  2025/5381/L Submitted 27 Nov 2025 0m away

  Erection of a second floor mansard-style extension upon existing rear outrigger to create a bathroom; raising of outrigger parapet wall; alteration to lower part of second floor rear window to create doorway; and associated alterations.

  Withdrawn Heritage and listed buildings Extension Loft or dormer +1 24 docs

• 2026/2516/P Withdrawn

  31 Loveridge Road London Camden NW6 2DU

  Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.

  16 Jun 2026 Full applications
• 2026/3830/P Awaiting decision

  Euston Tower 286 Euston Road London NW1 3DP

  Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

  4 Sep 2026 Full applications
• 2026/3282/P Granted

  5 Berkley Road London NW1 8XX

  Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)

  31 Jul 2026 Full applications
• 2026/0483/P Granted

  100 Avenue Road London NW3 3HF

  Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”

  9 Feb 2026 Full applications
• 2026/2697/P Awaiting decision

  Flat 1, 73 Eton Avenue London NW3 3EU

  Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

  3 Sep 2026 Full applications