26 Chalcot Square London NW1 8YA

This site has had 2 applications since 2014: 2 approved, 0 refused.

• 2013/7655/P Granted

  26 Chalcot Square London NW1 8YA

  Conversion of 2 residential units into 1 residential unit including alterations to third floor rear windows and installation of 2 x rooflights to upper rear roof slope.

  Decided 31 Jan 2014 Full applications

1. 31 Jan 2014

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 31 January 2014, 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.

• 26 Chalcot Square Primrose Hill London NW1 8YA

  2018/3140/L 0m away

  Replacement of 2no. existing rear elevation windows, addition of 2no. roof lights to rear elevation, and minor internal amendments all in association with the change of use from two flats to one 2 bed flat.

  Granted Heritage and listed buildings New dwelling Loft or dormer +1
  Several homes

• 26 Chalcot Square London NW1 8YA

  2013/7655/P 0m away

  Conversion of 2 residential units into 1 residential unit including alterations to third floor rear windows and installation of 2 x rooflights to upper rear roof slope.

  Granted Full applications Loft or dormer Windows or glazing

• 26 Chalcot Square Primrose Hill London NW1 8YA

  2018/2366/P 0m away

  Replacement of 2no. existing rear elevation windows, addition of 2no. roof lights to rear elevation, and minor internal amendements all in association with change of use from two flats to one 2 bed flat.

  Granted Full applications New dwelling Loft or dormer +1
  Several homes

• Second, third and fourth floors 26 Chalcot Square London NW1 8YA

  2013/5127/P 1m away

  Alteration to rear roof profile including dormer extension to lower roof slope, installation of 2x roof lights to upper roof slope and replacement of window, new roof terrace on third floor level with balustrade on rear elevation all in connection with conversion of 2 residential units into 1 residential unit (Class C3).

  Withdrawn Full applications Extension Loft or dormer +2

• Second, third and fourth floors 26 Chalcot Square London NW1 8YA

  2013/5545/L 1m away

  Internal and external alteration to rear roof profile including dormer extension to lower roof slope, installation of 2x roof lights to upper roof slope and replacement of window, new roof terrace on third floor level with balustrade on rear elevation all in connection with conversion of 2 residential units into 1 residential unit (Class C3).

  Withdrawn Heritage and listed buildings Extension Loft or dormer +2

• 27 Chalcot Square London NW1 8YA

  2022/3916/T 6m away

  REAR GARDEN: 1 x Horse Chestnut (T1) - Reduce to previous points, approx. 3m in length.

  Granted Trees

• 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