3 Flask Walk London NW3 1HJ

This site has had 3 applications since 2016: 0 approved, 1 refused.

• 2016/0727/P Withdrawn

  3 Flask Walk London NW3 1HJ

  Demolition of unauthorised rear roof covering. Re-covering of provious slope of rear roof with natural welsh slate and enclosure of previous rear balcony area with lead - clad extension

  Decided 18 Oct 2023 Full applications
• 2016/0502/L Refused

  3 Flask Walk London NW3 1HJ

  Erection of rear roof extension (retention).

  Decided 15 Mar 2016 Heritage and listed buildings

1. 13 Sep 2017

   Decision issued: Withdrawn Decision

2. 22 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Camden decided it, and is free to submit a revised scheme at any time. 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.

• 3 Flask Walk London NW3 1HJ

  2016/0727/P 0m away

  Demolition of unauthorised rear roof covering. Re-covering of provious slope of rear roof with natural welsh slate and enclosure of previous rear balcony area with lead - clad extension

  Withdrawn Full applications Extension Roofing +1

• 7 A Flask Walk Hampstead London NW3 1HJ

  2019/3675/P Submitted 18 Jul 2019 8m away

  The installation of 6 x replacement single glazed timber windows on the front elevation, 4 x at first floor level and 2 x at roof level.

  Granted Full applications Windows or glazing 10 docs

• 7 A Flask Walk Hampstead London NW3 1HJ

  2019/4117/L Submitted 18 Jul 2019 8m away

  The installation of a replacement single glazed timber windows on the front elevation at first and roof level.

  Granted Heritage and listed buildings Windows or glazing 11 docs

• 43 Flat A Hampstead High Street London NW3 1QG

  2018/1341/P 9m away

  Erection of two storey rear extension at first and second floor level and conversion of existing 3 bed flat to provide 2 x 1 bed flats (Class C3).

  Refused Full applications New dwelling Extension

• 5 Flask Walk London NW3 1HJ

  2019/0346/L 10m away

  Details of method of fixing the proposed awning pursuant to condition 4 of listed building consent ref 2017/0738/L dated 12/05/2017 for the Alterations to front elevation at ground floor level including the installation of retractable awning and external lighting.

  Granted Heritage and listed buildings

• 5 Flask Walk London NW3 1HJ

  2017/0566/L 10m away

  Details of facing materials for the replacement floor finish, as required by condition 3 of Listed Building Consent ref 2016/5087/L (dated 24/11/2016) for internal refurbishment of the existing shop (class A1)

  Granted Heritage and listed buildings

• 2026/3649/L Awaiting decision

  83 Highgate West Hill London N6 6LU

  Proposed internal alterations including adding secondary glazing to windows internally and reconfigurations of floor layouts, erection of two rear dormers replacing the existing rear dormer, removal of the existing triangular front dormer and solar panel to rear roof, replacement of existing handrails with metal railings, installation of an A/C unit on rooftop, replacement of the glazed roof of the lower ground floor rear extension with a solid flat roof, and re-landscaping to front courtyard.

  10 Sep 2026 Heritage and listed buildings
• 2026/0903/L Granted

  61-63 Cartwright Gardens London Camden WC1H 9EL

  Details pursuant to condition 2 (ground floor windows) and 3 (railings) of listed building consent 2023/2307/L (Allowed at appeal APP/X5210/Y/24/3338859 dated 30/08/2024) for; 'Erection of external lift to rear elevation and associated external alterations. Internal alterations to accommodate lift access'

  9 Mar 2026 Heritage and listed buildings
• 2026/2510/L Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed internal alterations and external alterations to side and rear elevations of the garden flat.

  15 Jun 2026 Heritage and listed buildings
• 2026/2891/L Granted

  42 Mornington Terrace London Camden NW1 7RT

  Replacement door and window at lower ground floor level to rear outrigger and installation of sandstone steps in rear garden.

  12 Jun 2026 Heritage and listed buildings
• 2026/3851/L Awaiting decision

  10 Chalcot Crescent London NW1 8YD

  Variation of condition 2 (drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations' for the removal of the existing non-original loft hatch and roof hatch above, and the installation of an automatic opening vent (AOV) rooflight.

  8 Sep 2026 Heritage and listed buildings