Skip to content

Land adjacent to 46 Maresfield Gardens & 39a Fitzjohn's Avenue London NW3

2024/0728/PFull Planning PermissionApproved
Full

Approved on 7 October 2026

Council decision: Granted Subject to a Section 106 Legal Agreement29 conditions

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.

Proposal

Development of the land adjacent to 46 Maresfield Gardens including the erection of a five-storey (plus lower ground floor) building to provide new residential accommodation (Class C3), associated basement excavation, hard and soft landscaping works, boundary treatment works, and other associated works. Substantial demolition and redevelopment of 39a Fitzjohn's Avenue for the provision of residential accommodation (Class C3) including erection of three-storey rear extension, part one-/part two-storey roof extension, associated basement excavation, hard and soft landscaping works, front boundary treatment works, and other associated works.

Received
22 February 2024
Ward
Belsize
  1. Received22 Feb
  2. Validated12 Mar
  3. Consult.2 Apr
  4. Target22 Feb
  5. Decided7 Oct

Decided in 939 days (council typically 49)

About this application

This is a full planning application for demolition at Land adjacent to 46 Maresfield Gardens & 39a Fitzjohn's Avenue London NW3. Camden has handled 2,296 applications of this type. The site is in the Fitzjohns Netherhall conservation area, with 1 listed building nearby. There are no previous applications recorded at this address. In the past year there have been 325 applications across Belsize. We hold 2,616 applications in total for the NW3 postcode area.

90% of full applications at London Borough of Camden were approved. Across all application types, the council typically decides in about 7 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
NW3 5JT
Application type
Full Planning Permission
Development type
C3 Dwelling House
Scale / size
Small

Planning application dates

Date validated
12 March 2024
Consultation expiry
2 April 2024
Consultation start
12 March 2024
Consultation end
2 April 2024
Last date for comments
24 June 2024
Target decision date
22 February 2024

Publicity

Site notice start
15 March 2024

Additional information

Documents
70

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Fitzjohns Netherhall
  • Article 4 direction: Basements+1 more
  • Brownfield land register: 39 Fitzjohn's Avenue, London, NW3 5JYRegister site at or near this address
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (20)

flood storage areas, listed buildings, 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 and heritage coasts.

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 2026-11-03. 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.

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 daily.

Around this site

For applicants and trades

For the applicant

Need a landscaping scheme? Landscape architects near this site

Conditions 8 and 10 on the decision ask for this.

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

Planning something similar?

See what the council approved and refused for basements on your street. Pick your home and get the evidence before you pay for drawings.