45 Flask Walk London NW3 1HH

This site has had 13 applications since 2017: 10 approved, 0 refused.

• 2026/2742/T Withdrawn

  45 Flask Walk London NW3 1HH

  FRONT GARDEN: 1 x Hawthorn (T1) - Section fell to ground level.

  Decided 13 Jul 2026 Trees
• 2025/1114/L Granted

  45 Flask Walk London NW3 1HH

  Alteration to rear window approved on 10/04/2017 (ref 2016/3901/L) at first-floor level (retrospective).

  Decided 25 Apr 2025 Heritage and listed buildings
• 2024/5666/P Granted

  45 Flask Walk London NW3 1HH

  Amendment to planning permission ref 2016/3900/P dated 10/04/2017 (for: Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation), NAMELY, alterations to the rear window first floor and omission of rear rooflight

  Decided 25 Apr 2025 Full applications
• 2023/2268/L Granted

  45 Flask Walk London NW3 1HH

  Details of lathe and lime plaster repairs to partially discharge condition 5 of listed building consent ref. 2016/3901/L granted 10/04/2017 for the Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

  Decided 27 Jul 2023 Heritage and listed buildings
• 2023/1405/L Granted

  45 Flask Walk London NW3 1HH

  Details of rear extension materials required by part condition 6 of listed building consent ref. 2016/3901/L granted 10/04/2017 for the Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

  Decided 3 May 2023 Heritage and listed buildings
• 2023/0482/L Granted

  45 Flask Walk London NW3 1HH

  Details of rear extension brickwork required by part of condition 6 of listed building consent ref. 2016/3901/L (for the demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations).

  Decided 8 Mar 2023 Heritage and listed buildings
• 2020/1488/P Granted

  45 Flask Walk London NW3 1HH

  Confirmation of the implementation of works under planning permission ref: 2016/3900/P dated 10/04/2017 for 'Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation'.

  Decided 27 Apr 2020 Full applications
• 2020/0685/T Withdrawn

  45 Flask Walk London NW3 1HH

  FRONT GARDEN: 1 x Hawthorn (T1) - Crown reduction of approx. 2m to all aspects of tree.

  Decided 3 Mar 2020 Trees
• 2020/1038/T Granted

  45 Flask Walk London NW3 1HH

  FRONT GARDEN: 1 x Hawthorn (T1) - Crown reduction of approx. 1.5m on all aspects of tree.

  Decided 3 Mar 2020 Trees
• 2018/0573/P Granted

  45 Flask Walk London NW3 1HH

  Details of chartered engineer and tree protection measures as required by conditions 4 and 5 of planning permission ref: 2016/3900/P granted 10/04/2017 for the demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation.

  Decided 18 Apr 2018 Full applications

1. 30 Jul 2026

   Received by Camden

2. 10 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 5 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Camden took a median of 43 days over the applications it decided in the last year.

• 2016/3900/P Granted

  45 Flask Walk London NW3 1HH

  Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation.

  Decided 10 Apr 2017 Full applications

This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 61 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 45 Flask Walk London NW3 1HH

  2025/1114/L 50 yards away

  Alteration to rear window approved on 10/04/2017 (ref 2016/3901/L) at first-floor level (retrospective).

  Granted Heritage and listed buildings Windows or glazing

• 45 Flask Walk London NW3 1HH

  2024/5666/P 50 yards away

  Amendment to planning permission ref 2016/3900/P dated 10/04/2017 (for: Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation), NAMELY, alterations to the rear window first floor and omission of rear rooflight

  Granted Full applications Extension Loft or dormer +2

• 45 Flask Walk London NW3 1HH

  2023/2268/L 50 yards away

  Details of lathe and lime plaster repairs to partially discharge condition 5 of listed building consent ref. 2016/3901/L granted 10/04/2017 for the Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

  Granted Heritage and listed buildings Extension Demolition
  Small domestic

• 45 Flask Walk London Camden NW3 1HH

  2023/3912/L 50 yards away

  Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

  Granted Heritage and listed buildings Extension Demolition
  Small domestic

• 45 Flask Walk London NW3 1HH

  2023/1405/L 50 yards away

  Details of rear extension materials required by part condition 6 of listed building consent ref. 2016/3901/L granted 10/04/2017 for the Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension, single storey basement excavation and Internal alterations.

  Granted Heritage and listed buildings Extension Demolition
  Small domestic

• 45 Flask Walk London NW3 1HH

  2020/1488/P 50 yards away

  Confirmation of the implementation of works under planning permission ref: 2016/3900/P dated 10/04/2017 for 'Demolition of an existing two storey rear extension, erection of a replacement three storey rear extension and basement excavation'.

  Granted Full applications Extension Demolition

• 2026/0990/P Refused

  1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

  Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

  Received 26 Mar, published by the council 24 Jul 2026 Full applications
• 2026/3044/P Granted

  London Irish Centre 50-52 Camden Square London NW1 9XB

  Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

  Received 20 Jul, published by the council 2 Aug 2026 Full applications
• 2026/4338/P Awaiting decision

  32 Willoughby Road London NW3 1RU

  Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/4141/P Awaiting decision

  24 Endell Street London WC2H 9HQ

  Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications
• 2026/3907/P Awaiting decision

  Flat 1 16 Lyndhurst Road London NW3 5NL

  External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.

  Received 5 Oct, published by the council 9 Oct 2026 Full applications