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46 Northumberland Place London W2 5AS

26/01557/FULLFull Planning Permission ApplicationApproved
Full

Approved on 10 September 2026

Site boundary (council red line)

Proposal

Rear lower ground floor infill extension with associated landscape works to front and rear alongside internal reconfiguration.

Received
10 March 2026
Ward
Bayswater
Agent
patrick crowe architects
  1. Received10 Mar
  2. Validated10 Mar
  3. Consult.
  4. Target5 May
  5. Decided10 Sep

Decided in 184 days (council typically 49)

About this application

This is a full planning application for an extension at 46 Northumberland Place London W2 5AS. Westminster has handled 4,484 applications of this type. This one was decided in 184 days, 19 weeks longer than Westminster's typical decision time. The site is in the Westbourne conservation area, with 5 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 49 applications across Bayswater. We hold 3,417 applications in total for the W2 postcode area.

86% of full applications at City of Westminster 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.See what's approved near your address

Application details

Postcode
W2 5AS
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
10 March 2026
Target decision date
5 May 2026

Applicant and agent

Agent
patrick crowe architects
Architect profile
PATRICK CROWE ARCHITECTS LIMITED
Agent address
147 little ilford lane manor park newham london E12 5PJ

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-14770169
Comments
0
Documents
29

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Westbourne
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (22)

flood storage areas, listed buildings, tree preservation orders, 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: Westminster

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

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