20 Chalcot Square London NW1 8YA

This site has had 8 applications since 2019: 7 approved, 0 refused.

• 2020/1653/L Granted

  20 Chalcot Square London NW1 8YA

  Details of condition 3G (external staircase) of listed building consent 2018/6156/L dated 03/05/2019 for internal and external alterations for the erection of a single storey infill extension at basement level, installation of metal staircase with balustrade for a roof terrace above; fenestration and façade treatment to the front, rear and rear elevation and internal alterations throughout.

  Decided 26 May 2020 Heritage and listed buildings
• 2020/1085/L Granted

  20 Chalcot Square London NW1 8YA

  Approval of details for condition 3 parts b), c) e), f) h) and i) of application ref 2018/6156/L.

  Decided 7 Apr 2020 Heritage and listed buildings
• 2020/0247/L Granted

  20 Chalcot Square London NW1 8YA

  Approval of Condition 4 (new timber doors) of planning approval ref 2019/3269/L.granted on 16/10/2019 for various internal alterations and an infill basement extension.

  Decided 10 Mar 2020 Heritage and listed buildings
• 2019/2644/P Withdrawn

  20 Chalcot Square London NW1 8YA

  Erection of an infill extension to the void space between the first and second floors.

  Submitted 21 May 2019 Full applications
• 2019/3269/L Granted

  20 Chalcot Square London NW1 8YA

  Internal alterations at first floor level for the formation of a door opening and installation double door between the kitchen and the study associated with listed building consent (2018/6156/L) dated 02/05/2019 for: Internal and external alterations for the erection of a single storey infill extension at basement level, installation of metal staircase with balustrade for a roof terrace above; fenestration and facade treatment to the front, rear and rear elevation and internal alterations throughout.

  Decided 16 Oct 2019 Heritage and listed buildings
• 2018/6156/L Granted

  20 Chalcot Square London NW1 8YA

  Internal and external alterations for the erection of a single storey infill extension at basement level, installation of metal staircase with balustrade for a roof terrace above; fenestration and façade treatment to the front, rear and rear elevation and internal alterations throughout.

  Decided 3 May 2019 Heritage and listed buildings
• 2018/6139/P Granted

  20 Chalcot Square London NW1 8YA

  Erection of a single storey extension to the rear elevation at basement, installation of metal staircase and balustrade for a roof terrace at ground floor level, alterations to the front, rear and side facade/fenestration and conversion of the existing basement flat into a dwellinghouse.

  Decided 3 May 2019 Full applications

1. 12 Oct 2020

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

• 2018/6139/P Granted

  20 Chalcot Square London NW1 8YA

  Erection of a single storey extension to the rear elevation at basement, installation of metal staircase and balustrade for a roof terrace at ground floor level, alterations to the front, rear and side facade/fenestration and conversion of the existing basement flat into a dwellinghouse.

  Decided 3 May 2019 Full applications

Camden granted permission on 12 October 2020, 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.

• 20 Chalcot Square London NW1 8YA

  2018/6156/L 0m away

  Internal and external alterations for the erection of a single storey infill extension at basement level, installation of metal staircase with balustrade for a roof terrace above; fenestration and façade treatment to the front, rear and rear elevation and internal alterations throughout.

  Granted Heritage and listed buildings Extension Windows or glazing
  Small domestic

• 20 Chalcot Square London NW1 8YA

  2018/6139/P 0m away

  Erection of a single storey extension to the rear elevation at basement, installation of metal staircase and balustrade for a roof terrace at ground floor level, alterations to the front, rear and side facade/fenestration and conversion of the existing basement flat into a dwellinghouse.

  Granted Full applications Extension Windows or glazing
  Small domestic

• 20 Chalcot Square London NW1 8YA

  2020/1653/L 0m away

  Details of condition 3G (external staircase) of listed building consent 2018/6156/L dated 03/05/2019 for internal and external alterations for the erection of a single storey infill extension at basement level, installation of metal staircase with balustrade for a roof terrace above; fenestration and façade treatment to the front, rear and rear elevation and internal alterations throughout.

  Granted Heritage and listed buildings Extension Windows or glazing
  Small domestic

• 20 Chalcot Square London NW1 8YA

  2020/0247/L 0m away

  Approval of Condition 4 (new timber doors) of planning approval ref 2019/3269/L.granted on 16/10/2019 for various internal alterations and an infill basement extension.

  Granted Heritage and listed buildings Extension

• 20 Chalcot Square London NW1 8YA

  2020/1085/L 0m away

  Approval of details for condition 3 parts b), c) e), f) h) and i) of application ref 2018/6156/L.

  Granted Heritage and listed buildings

• 20 Chalcot Square London NW1 8YA

  2019/2644/P Submitted 21 May 2019 2m away

  Erection of an infill extension to the void space between the first and second floors.

  Withdrawn Full applications Extension 9 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