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 50 yards away

  Installation of a projecting sign to front elevation.

  Granted

• The Flask PH 14 Flask Walk London NW3 1HE

  2012/6667/L 50 yards 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 50 yards 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  Withdrawn Full applications Extension Demolition +1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 50 yards 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 50 yards 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 50 yards 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  Withdrawn Heritage and listed buildings Windows or glazing

• 2026/1141/L Granted

  25 John Street London WC1N 2BS

  Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.

  Received 26 Mar, published by the council 24 Jul 2026 Heritage and listed buildings
• 2025/1781/L Granted

  Frognal Rise House Lower Terrace London NW3 6RE

  Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.

  Received 22 Apr, published by the council 22 Jul 2026 Heritage and listed buildings
• 2026/4129/L Awaiting decision

  6 Leverton Street London NW5 2PJ

  Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

  Received 1 Oct, published by the council 9 Oct 2026 Heritage and listed buildings
• 2026/1686/L Granted

  Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR

  External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.

  Received 19 May, published by the council 24 Jul 2026 Heritage and listed buildings
• 2026/2202/L Refused

  4 Hampstead Square London NW3 1AB

  Erection of conservatory to front elevation.

  Received 27 May, published by the council 24 Jul 2026 Heritage and listed buildings