13, 14, Dean Street, W1D 3RS
Proposal
Erection of two storey mansard roof extension to existing building (Class E Use), replacement plant, creation of roof terrace and associated works.
- Submitted
- 11 November 2026
- Council
- City of Westminster
- ReceivedSubmitted11 Nov
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided
About this application
This is a planning application for an extension at 13, 14, Dean Street, W1D 3RS. Westminster has handled 1,834 applications of this type. It has been with the council since 11 November 2026 and is still awaiting a decision. The site is in the Soho conservation area, with 20 listed buildings nearby. There have been 5 other applications at this address. In the past year there have been 478 applications across WEW_22. We hold 437 applications in total for the W1D postcode area.
92% of all other 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
- W1D 3RS
- Application type
- All Other
Site constraints
Designations at the address point. Ones next to the site may also apply.
- Conservation area: Soho
- Article 4 direction: Article 4 Basement Development Permitted Rights Removed+1 more
- Brownfield land register: 35 Soho Square London W1D 3QXRegister site at or near this address
- Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)
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 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.
Planning history at this site
8 other applications at this property, newest first.
- 202610 Jun
Conversion of flat roof to roof terrace to provide amenity space associated within existing office (Class E)…
ApprovedApplication26/03680/FULL - 20262 Apr
Display of two non illuminated canopies/signs measuring 0.8m x 5m, 0.8m 4.8m.
PendingAdvertisement consent26/02249/ADV - 20267 Jan
Display for a temporary period of six months of a non-illuminated estate agent board attached to the front of…
ApprovedAdvertisement consent26/00073/AD7 - 202531 Oct
Variation of Conditions 1 and 5 of planning permission dated 15 September 2025 (RN: 25/01923/FULL
ApprovedVariation of conditions (s73)25/07898/FULL - 202512 May
Amendments to planning permission dated 7th May 2025 (RN: 25/01125/FULL
ApprovedNon-material amendment25/03200/NMA - 202521 Mar
Use of part ground (i.e. current garaging at the front northern part) as restaurant floorspace (Class E)…
ApprovedFull planning permission25/01923/FULL - 202527 Feb
Installation of replacement windows to front and rear elevation including four lantern roof lights on the…
ApprovedFull planning permission25/01125/FULL - 202525 Feb
Display of non-illuminated replica facade building wrap measuring 18.9m X 20m, for a temporary period.
RefusedAdvertisement consent25/00652/ADV
Source: Westminster
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Around this site
Nearby applications
- 13 - 14 Dean Street London W1D 3RS26/02249/ADV · AdvertisingAwaiting decision0.0 mi
- 37 Soho Square London W1D 3QZ24/01912/FULL · FullAwaiting decision0.0 mi
- 5 Carlisle Street London W1D 3BL23/02888/ADFULL · ConditionsWithdrawn0.0 mi
- 5 Carlisle Street London W1D 3BL23/02835/ADFULL · ConditionsApproved0.0 mi
- 5 Carlisle Street London W1D 3BL23/02889/ADFULL · ConditionsApproved0.0 mi
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.
- 0.6 miLondonRTPI
- 0.8 miLondonRTPI
- 0.9 miLondonRTPI
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for extensions near this site- Avent Roofing ServicesVerifiedWestminsterRoofing0.5 mi
- Atlas South Technical Service LimitedVerifiedLondonProperty MaintenanceHandyman0.7 mi
- Orient Construction Consultancy LimitedVerifiedLondon3.5 mi
- Hillgrove Projects LtdVerifiedLondon5.1 mi
Planning something similar?
See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.