71 B Flask Walk London NW3 1ET

This site has had 4 applications since 2021: 4 approved, 0 refused.

• 2022/1289/P Granted

  71 B Flask Walk London NW3 1ET

  Installation of air conditioning including external chiller unit within an acoustic attenuation enclosure

  Decided 21 Dec 2022 Full applications
• 2020/5692/P Granted

  71 B Flask Walk London NW3 1ET

  Replacement timber casement and sash windows and french doors, installation of roof ventilation cowl and replacement gas flue with extended terminal.

  Decided 3 Jun 2021 Full applications
• 2021/0132/L Granted

  71 B Flask Walk London NW3 1ET

  External alterations to fenestration including replacement timber casement and sash windows and french doors, installation of roof ventilation cowl and replacement gas flue with extended terminal.

  Decided 3 Jun 2021 Heritage and listed buildings

1. 21 Dec 2022

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

Camden granted permission on 21 December 2022, 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.

• 71 B Flask Walk London NW3 1ET

  2020/5692/P 50 yards away

  Replacement timber casement and sash windows and french doors, installation of roof ventilation cowl and replacement gas flue with extended terminal.

  Granted Full applications Windows or glazing

• 71 B Flask Walk London NW3 1ET

  2021/0132/L 50 yards away

  External alterations to fenestration including replacement timber casement and sash windows and french doors, installation of roof ventilation cowl and replacement gas flue with extended terminal.

  Granted Heritage and listed buildings Windows or glazing

• 71 B Flask Walk London NW3 1ET

  2022/1289/P 50 yards away

  Installation of air conditioning including external chiller unit within an acoustic attenuation enclosure

  Granted Full applications

• 36 New End Square London NW3 1LS

  2016/6546/P 50 yards away

  Creation of new door for fire escape purposes to rear of studios

  Granted Full applications

• 75 Flask Walk London Camden NW3 1ET

  2022/3412/L 50 yards away

  Re-covering of main roof in natural slare with associated repairs.

  Granted Heritage and listed buildings

• 75 Flask Walk London NW3 1ET

  2016/2060/L 50 yards away

  Part demolition and reconstruction of a boundary wall and associated railings to front of property

  Granted Heritage and listed buildings Demolition
  Small domestic

• 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