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20 Howitt Road London NW3 4LL

2023/0847/PFull Planning PermissionAwaiting decision
Full
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

Change of use from a HMO (Class C4) and 2 bed flat into a single family dwelling; replacement of all existing windows with double glazed timber sash windows; extension to the existing basement to include a front lightwell; demolish the existing rear extension and replace with a full width single storey rear extension; installation of a rooflight within the front roofslope and two rooflights on the rear roofslope; and external alternations.

Received
27 February 2023
Decision due
20 April 2023
Decision level
Planning committee
Ward
Belsize
  1. Received27 Feb
  2. Validated6 Apr
  3. Consult.7 Mar
  4. Target20 Apr
  5. Decided

Have your say

Comments close on 7 March.

View on the council's siteDocuments (31)

About this application

This is a full planning application for a single storey rear extension at 20 Howitt Road London NW3 4LL. Camden has handled 2,296 applications of this type. It has been with the council since 27 February 2023 and is still awaiting a decision. The site is in the Belsize Park conservation area. 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 4LL
Application type
Full Planning Permission
Development type
C3 Dwelling House
Scale / size
Small

Planning application dates

Date validated
6 April 2023
Consultation expiry
7 March 2024
Consultation start
6 April 2023
Consultation end
7 March 2024
Last date for comments
7 March 2024

Planning decision

Statutory period
14 days

Publicity

Site notice start
12 April 2023

Additional information

Documents
31

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Belsize
  • Article 4 direction: Basements+2 more
  • Flood zone 1: Low probability (rivers and sea)

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

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, 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 2026-11-03. 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.

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