Skip to content

45 Flask Walk London NW3 1HH

2026/3256/PApproval of DetailsPending Decision
Discharge / amendments

Proposal

Details required by condition 6 (hard & soft landscaping) of planning permission 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).

Received
10 August 2026
Target decision date
3 September 2026
Ward
Hampstead Town
Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

  1. Received10 Aug
  2. Validated30 Jul
  3. Consult.
  4. Target3 Sep
  5. Decided
7 weeks typical decision time in Camden100% of approval of details applications approved

This is a planning application for demolition at 45 Flask Walk London NW3 1HH. Camden has handled 280 applications of this type and approves nearly all of them, typically deciding them in 35 days. It was submitted on 10 August 2026 and is still awaiting a decision. The site is in the Hampstead conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 397 applications across Hampstead Town. We hold 2,488 applications in total for the NW3 postcode area.

Application Details

Reference
2026/3256/P
Address
45 Flask Walk London NW3 1HH
Postcode
NW3 1HH
Local Authority
Camden
Application Type
Approval of Details
Decision Status
Undecided
Current Status
Registered
Ward
Hampstead Town

Applicant & Agent

Planning Application Dates

Date Received
10 August 2026
Target Decision Date
3 September 2026
Date Validated
30 July 2026
Date Submitted
10 August 2026

Planning Decision

Case Officer
Miriam Baptist

Publicity

Appeal

Additional Information

Coordinates
51.557327, -0.176760
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Camden

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near NW3

New planning applications delivered to your inbox weekly.

Planning history at this site

1 other application at this property, newest first.

Planning constraints

Designations that overlap or adjoin the site outline.

  • Conservation area: Hampstead
  • Listed building: Grade II: 43 and 45, Flask WalkOn or next to this site · +3 more
  • Article 4 direction: Basements+1 more
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (20)

flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Before the decision

You may need a heritage statement. Heritage & archaeology consultants near this site

A listed building is on or next to this site.

Nearest first, within 25 miles of the site. Every firm is listed free.

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report