5a Belsize Square London NW3 4HT

This site has had 3 applications since 2010: 3 approved, 0 refused.

• 2024/3250/T Granted

  5A Belsize Square London NW3 4HT

  REAR GARDEN: 1 x Bay (T1) - Fell to ground level.

  Decided 5 Sep 2024 Trees
• 2010/5247/T Granted

  5A Belsize Square London NW3 4HT

  REAR GARDEN: 2 x Sycamore - Reduce/remove lowest branch of left hand tree and crown thin both by 15-20% 1 x Yew - Crown reduce up to 3m (amendment agreed and confirmed by Tomlinsons Tree Surgeons on 19/11/2010)

  Decided 29 Nov 2010 Trees

1. 30 Apr 2025

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 30 April 2025, 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.

• Flat Basement Rear 5a Belsize Square London NW3 4HT

  2023/4525/P Submitted 20 Oct 2023 0m away

  Demolition of existing lower ground-floor single-storey rear extension. Erection of single-storey lower-ground floor rear extension, and associated external alterations.

  Granted Full applications Extension Demolition 12 docs
  Small domestic

• Flat Basement Rear 5a Belsize Square London NW3 4HT

  2023/4351/P Submitted 11 Oct 2023 0m away

  Amalgamation of the existing two lower-ground floor flats into one self-contained flat (Use Class C3).

  Granted Lawful development New dwelling 10 docs

• Flat 2, Basement Rear 5 Belsize Square London NW3 4HT

  2010/3130/P 0m away

  The erection of a single storey rear extension (the existing rear extension would be demolished), the enlargement of an existing window on the side elevation, and the creation of a new window to an existing lower ground floor flat (Class C3).

  Granted Full applications Extension Demolition +1
  Small domestic

• Flat Basement Rear 5a Belsize Square London NW3 4HT

  2024/0630/T Submitted 16 Feb 2024 0m away

  REAR GARDEN: 1 x Sycamore (T1) - Reduce height by 3m and lateral spread by 2.5m. 1 x Yew (T2) - Reduce height by 1.5m and lateral spread by 1.5m. 1 x Apple (T3) - Remove a limb pushing fence and thin out by 25%. 1 x Birch (T4) - Reduce height by 0.5m and crown lift by 1.5m. 1 x Bay (T5) - Crown lift by 2m and reduce height by 0.5m.

  Granted Trees 3 docs
  Small domestic

• Flat Basement Rear 5a Belsize Square London NW3 4HT

  2023/5435/P Submitted 22 Dec 2023 0m away

  Details to discharge Condition 4 (Green Roof) of planning permission 2023/4525/P dated 13/12/2023 for 'Demolition of existing lower ground-floor single-storey rear extension. Erection of single-storey lower-ground floor rear extension, and associated external alterations'.

  Granted Full applications Extension Demolition 4 docs
  Small domestic

• 5A Belsize Square London NW3 4HT

  2010/5247/T 0m away

  REAR GARDEN: 2 x Sycamore - Reduce/remove lowest branch of left hand tree and crown thin both by 15-20% 1 x Yew - Crown reduce up to 3m (amendment agreed and confirmed by Tomlinsons Tree Surgeons on 19/11/2010)

  Granted Trees

• 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