20 Chalcot Square London NW1 8YA

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

• 2020/1259/P Granted

  20 Chalcot Square London NW1 8YA

  Approval of details required by Condition 4 of 2018/6139/P relating to details of the proposed living roof.

  Decided 12 Oct 2020 Full applications
• 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
• 2020/0247/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• 2019/2644/P Withdrawn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. 7 Apr 2020

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

• 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

Camden granted permission on 7 April 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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 20 Chalcot Square London NW1 8YA

  2020/1259/P 0m away

  Approval of details required by Condition 4 of 2018/6139/P relating to details of the proposed living roof.

  Granted Full applications

• 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

  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

• 2026/0825/L Granted

  88 Frognal London NW3 6XB

  Discharge of condition 4 (a) Plan, elevation and section drawings of all new internal doors at a scale of 1:10 with typical moulding and architrave details at a scale of 1:1. b) Plan, elevation and section drawings, including jambs, head and cill, of all new windows and doors, including garage doors and windows, at a scale of 1:10 with typical glazing bar details at 1:1) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)

  2 Mar 2026 Heritage and listed buildings
• 2026/2946/L 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 Heritage and listed buildings
• 2026/3754/L Awaiting decision

  10 Great Ormond Street London Camden WC1N 3RB

  Coversion of 3 flats into 4 and internal alterations to the listed building

  2 Sep 2026 Heritage and listed buildings
• 2026/2194/L Withdrawn

  Dunboyne Road Estate Dunboyne Road London NW3 2YY

  Installation of Air Source and Water Source Heat Pumps in basement car park with associated acoustic and security enclosures; installation of PV Panels on roof of Blocks 1, 2 and 3; removal of existing gas boilers and associated plant; installation of a new estate-wide heating network including Heat Interface Units, radiators, pipework and associated infrastructure to serve Flats 1-71; excavation of trenches and installation of below-ground heating, water and electrical infrastructure; and associated ancillary works.

  29 May 2026 Heritage and listed buildings
• 2026/3773/L Awaiting decision

  47 Kelly Street London NW1 8PG

  Replacement of concrete roof tiles with slate roof tiles (Retrospective)

  28 Aug 2026 Heritage and listed buildings