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21 Jacob's Well Mews London W1U 3DR

25/06944/FULLFull Planning Permission ApplicationApproved
Full

Approved on 7 April 2026

Site boundary (council red line)

Proposal

Conversion of the existing garage to additional living accommodation; replacement of the garage door to incorporate opaque glazed panel, and provision of two secure cycle parking spaces.

Received
26 September 2025
Ward
Marylebone
Agent
studio elle architecture
  1. Received26 Sep
  2. Validated26 Sep
  3. Consult.
  4. Target21 Nov
  5. Decided7 Apr

Decided in 193 days (council typically 49)

About this application

This is a full planning application for a garage at 21 Jacob's Well Mews London W1U 3DR. Westminster has handled 4,484 applications of this type. This one was decided in 193 days, 21 weeks longer than Westminster's typical decision time. The site is in 17 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 171 applications across Marylebone. We hold 1,068 applications in total for the W1U 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
W1U 3DR
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
26 September 2025
Consultation expiry
5 November 2025
Target decision date
21 November 2025

Applicant and agent

Agent
studio elle architecture
Architect profile
STUDIO ELLE LTD
Agent address
7 Throwley Way Oru Space Sutton SM1 4AF United Kingdom

Planning decision

Statutory period
56 days

Publicity

Last advertised
15 October 2025
Advertisement expiry
5 November 2025
Site notice start
2 October 2025
Site notice end
23 October 2025

Additional information

Planning Portal ID
PP-14362399
Comments
0
Documents
17

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (23)

flood storage areas, conservation 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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