The Flask 14 Flask Walk London NW3 1HE

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

• 2014/1876/A Granted

  The Flask 14 Flask Walk London NW3 1HE

  Installation of a projecting sign to front elevation.

  Decided 28 Apr 2014

1. 28 Apr 2014

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 28 April 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.

• The Flask 14 Flask Walk London NW3 1HE

  2014/1876/A 0m away

  Installation of a projecting sign to front elevation.

  Granted

• The Flask PH 14 Flask Walk London NW3 1HE

  2012/6667/L 0m away

  Internal alterations at ground floor level, including alterations to existing partitioning and formation of a new opening in ceiling beneath existing lantern light.

  Granted Heritage and listed buildings

• Upper Level First Floor Maisonette 20 Flask Walk Hampstead LONDON NW3 1HE

  2020/3408/P 23m away

  Demolition and rebuilt of first floor rear extension, installation of railings and green roof on second floor level, alterations to the roof and parapet of ground floor rear extension and windows on the rear elevation and replacement of front and rear windows with timber sash windows.

  Withdrawn Full applications Extension Demolition +1

• Flat Ground Floor 20 Flask Walk London NW3 1HE

  2010/2909/P 23m away

  Installation of double glazed window to replace existing single glazed window to front elevation of ground floor self-contained flat (Class C3).

  Granted Full applications Windows or glazing

• 4 Flask Walk London NW3 1HE

  2017/3921/P 25m away

  External alterations to include new mansard roof, following demolition of existing roof structure. Replacement of existing uPVC sash windows to front and rear elevations at first and second floor levels with single glazed timber sash windows.

  Granted Full applications Loft or dormer Demolition +1

• 9 Hampstead High Street London Camden NW3 1PR

  2023/3185/L 25m away

  Replacement non illuminated fascia sign to shopfront and internal works at ground floor and basement level.

  Withdrawn Heritage and listed buildings Windows or glazing

• 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