57 Flask Walk London NW3 1EU

1. 27 Jul 2010

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 27 July 2010, 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.

• 57 Flask Walk London NW3 1EY

  2010/2574/P 0m away

  External alterations including replacement of window with French doors and enlarged lightwell at rear, replaced landing door at rear, and installation of new relocated door under front staircase to existing dwelling house (Class C3).

  Granted Full applications Windows or glazing
  Domestic

• 57 Flask Walk London NW3 1EY

  2016/1007/L 0m away

  The erection of a single storey part-width rear extension at lower ground floor level; replacement of front and rear doors to match existing; associated internal alterations.

  Granted Heritage and listed buildings Extension
  Small domestic

• 57 Flask Walk London NW3 1EY

  2017/0726/P 0m away

  Alteration to roof form of single storey rear extension approved under planning permission 2016/0590/P dated 16/05/2016.

  Granted Full applications Extension
  Small domestic

• 57 Flask Walk London NW3 1EY

  2016/0590/P 0m away

  The erection of a single storey part-width rear extension at lower ground floor level.

  Granted Full applications Extension
  Small domestic

• 57 Flask Walk LONDON NW3 1EY

  2017/1688/P 0m away

  Details of condition 4 [facing materials and samples] of 2016/0590/P, 16/05/2016, for; the erection of a single storey part-width rear extension at lower ground floor level.

  Granted Full applications Extension
  Small domestic

• 57 Flask Walk London NW3 1EY

  2017/0717/L 0m away

  Alteration to previously approved rear extension at lower ground floor level (Ref no. 2016/1007/L) namely to raise its height and change the form of the roof; alteration to internal doors.

  Granted Heritage and listed buildings Extension

• 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