Skip to content

3 Dorset Street London W1U 4EF

24/05012/FULLFull Planning Permission ApplicationAwaiting 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

External alterations including: installation of new openings to and balcony within rear lightwell; alteration to rear roof at first floor including installation of new rooflights; alteration to fenestration to front and rear including installation of double glazing to windows; installation of PV panels at roof level; installation repairs to external facades and roof. (Linked to 24/05013/LBC)

Received
23 July 2024
Decision due
17 September 2024
Ward
Marylebone
Agent
Locksley Architects
  1. Received23 Jul
  2. Validated23 Jul
  3. Consult.
  4. Target17 Sep
  5. Decided

Have your say

Comment on the council's siteDocuments (12)

About this application

This is a full planning application for window replacement at 3 Dorset Street London W1U 4EF. Westminster has handled 4,484 applications of this type. It has been with the council since 23 July 2024 and is still awaiting a decision. The site is in the Portman Estate conservation area, with 5 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 171 applications across Marylebone. We hold 1,070 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.Planning something similar? See what gets approved on your street

Application details

Postcode
W1U 4EF
Application type
Full Planning Permission Application
Scale / size
Small

Planning application dates

Date validated
23 July 2024
Consultation expiry
22 August 2024

Applicant and agent

Agent
Locksley Architects
Architect profile
LOCKSLEY ARCHITECTS LIMITED
Agent address
11 Pembridge Mews Notting Hill London W11 3EQ

Planning decision

Statutory period
56 days

Publicity

Site notice start
1 August 2024
Site notice end
22 August 2024

Additional information

Planning Portal ID
PP-13230348
Comments
0
Documents
12

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Portman Estate
  • Listed building: Grade II: 2 and 3, Dorset Street W1On or next to this site · +1 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

flood storage areas, 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.

Associated applications

  1. 2024
    23 Jul

    External alterations including: installation of new openings to and balcony within rear lightwell; alteration…

    This applicationPendingFull24/05012/FULL
  2. 2024
    23 Jul

    External alterations including: installation of new openings to and balcony within rear lightwell; alteration…

    PendingListed building consentPart of24/05013/LBC

Source: Westminster

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 W1U

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

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.

See all heritage consultants near Marylebone

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

Planning something similar?

See what the council approved and refused for solar panel and heat pump installations on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address