20 Dean Street London W1D 3RU Data via plota.co.uk

26/05787/FULL - Full Planning Permission Application Pending
Utility infrastructureCommercial premises

Proposal

Installation of external plant and associated extract ductwork within the rear service area of the building. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Aug 2026
✓
Validated
17 Sept 2026
✓
Consultation
22 Sept 2026
Decision
Expected by 12 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 9 Nov 2026 and 19 Nov 2026, from Westminster's recent utility and infrastructure works.

Comments are open until 21 Oct 2026

Comment on this application ↗

Documents 16

Statements & assessments 2

PDF NOISE IMPACT ASSESSMENT Noise impact assessment · 17 Sept 2026 View ↗ PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 24 Aug 2026 View ↗

Plans & drawings 3

PDF EXISITING AND PROPOSED PLANS Drawing · 17 Sept 2026 View ↗ PDF EXISTING AND PROPOSED PLANS Superseded document · 24 Aug 2026 View ↗ PDF SITE LOCATION PLAN Location Plan · 24 Aug 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 24 Aug 2026 View ↗ PDF FEECALCULATION Background Papers · 24 Aug 2026 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 22 Sept 2026 View ↗

Other documents 8

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 22 Sept 2026 View ↗ PDF CNSLT-CROSS LONDON RAIL LINKS 1&2 Background Papers · 22 Sept 2026 View ↗ PDF CNSLT-CROSS LONDON RAIL LINKS 1&2 Background Papers · 22 Sept 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 22 Sept 2026 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 22 Sept 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 27 Aug 2026 View ↗ PDF 1ST INVALID LETTER Background Papers · 27 Aug 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 24 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 11

Soho conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
2 Article 4 directions
Article 4 Basement Development Permitted Rights Removed · Article 4 Direction Class E To C3 In Central Activities Zone. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Protected view corridor: 2B.1 Parliament Hill oak tree to the Palace of Westminster
Inside the landmark viewing corridor of a protected vista. A building that rises above the corridor's threshold height should be refused. How high that is depends on where along the view the site is.
The London Plan (policy HC4) designates strategic views, and the Mayor's London View Management Framework (March 2012) gives 13 of them a protected vista toward St Paul's Cathedral, the Palace of Westminster or the Tower of London. A vista has a threshold height that rises or falls with the line of sight. In the landmark viewing corridor, a building above it would harm the view and should be refused. In the wider setting consultation area around the corridor, a building above it is referred for consultation and its effect on the view is judged. The threshold changes along each view and is set out in the framework. A revised framework is out for consultation until 4 December 2026 and is not yet in force.
London View Management Framework ↗
Archaeological priority area: City of Westminster APA 2.5
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Westminster AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Town centre: West End
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
69 listed buildings within 150 m
Nearest: 36, Soho Square W1, Grade II, 24 m away · 2 Grade I, 13 Grade II*, 53 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 69 with distances
Historic England ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
National infrastructure project 845 m away: Thames Tideway Tunnel
The site is 845 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, 131 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Also on the record
Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area480 m² (5,167 sq ft)
Energy ratingC (asset rating 55)
UseA1/A2 Retail and Financial/Professional services
HeatingAir Conditioning

From the energy performance certificate lodged in January 2022, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W1D 3RU
Received
24 Aug 2026
Validated
17 Sept 2026
Ward
West End
Case officer
Show
Target decision
12 Nov 2026
Applicant
Show
Agent
Show

Decision outlook

Day 32 of the 56-day target. Westminster usually decides utility and infrastructure works by day 57.

Day 3225 days to the predicted decision (day 57)
49%decided within 8 weeks
90%approved
415decided in the last year

Plota live figures for utility and infrastructure works decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

No public comments yet.

84 neighbours consulted · Last counted 15 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15179886
Planning Portal ref
PP-15179886
Comments by
21 Oct 2026
Site or press notice
22 Sept 2026
Env. assessment
No

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Approved
Alterations to the ground floor elevation including removal of the ATM's.
23/02340/FULL
2019 Approved
Display of a non-illuminated acrylic signage measuring 1500mm x 1930mm
19/00987/ADV
Within ~100m

Nearby activity

2025 Approved
35 Soho Square London W1D 3QX
External alterations, replacement windows and plant and enclosure and creation of a terra…
25/07565/FULL
2025
5 - 7 Frith Street London W1D 3JA
Maintenance and repairs to front basement area; new inner tanking to pavement vault; main…
25/07406/LBC
2025
5 - 7 Frith Street London W1D 3JA
Maintenance and repairs to front basement area; new inner tanking to pavement vault; main…
25/07405/FULL
2025 Approved
1 Frith Street London W1D 3HZ
Repair works to existing vaults, repair and replacement of steel lintels, replacement of…
25/06232/LBC
2025 Approved
2 Soho Square London W1D 3PX
Installation of metal railing entrance gate at front entrance steps
25/04961/LBC
2025 Approved
2 Soho Square London W1D 3PX
Installation of metal railing entrance gate at front entrance steps
25/04960/FULL
2025
6 Carlisle Street London W1D 3BN
Like for like replacement of rear roof including lead flashing and other repair works.
25/06206/LBC
2025 Withdrawn
5 Carlisle Street London W1D 3BL
Installation of a openable glass conservatory structure and a fixed glass cover over acce…
25/04280/FULL
2025 Withdrawn
5 Carlisle Street London W1D 3BL
Installation of a openable glass conservatory structure and a fixed glass cover over acce…
25/04281/LBC
2025 Approved
21 - 25 St Anne's Court London W1F 0BJ
Display of two internally illuminated fascia signs each measuring 0.50m x 0.45m; two proj…
25/04195/ADV
2025
21 - 25 St Anne's Court London W1F 0BJ
Installation of a new partially openable shopfront.
25/04188/FULL
2025 Approved
2 Soho Square London W1D 3PX
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
25/03453/AD7
2025 Refused
87 Dean Street London W1D 3SR
Installation of replacement shopfront, including replacement windows and entrance door, a…
25/02217/FULL
2025
Crossrail Tottenham Court Road Western Ticket Hall Dean Street London
Display of a Turtle Sculpture on Dean Street, near the Tottenham Court Road Station entra…
25/03574/ADV
2025
80 Dean Street London W1D 3SL
Variation of conditions 1 and 6 dated 18 December 2024 (RN: 24/06105/FULL) for the: Erect…
25/03486/FULL
2025
14 Richmond Buildings London W1D 3HQ
Display of one non illuminated wall sign measuring 1.23m x 0.98m.
25/03108/ADV
2025
14 Richmond Buildings London W1D 3HQ
Replacement of the existing ground-floor single-glazed fixed window with a high-quality…
25/02564/FULL
2025
87 Dean Street London W1D 3SR
Display of internally illuminated (letters only) fascia sign measuring 4.95m X 0.45m and…
25/02218/ADV
2025
13 - 14 Dean Street London W1D 3RS
Erection of two storey roof extension (Class E Use), use of all of ground floor as Class…
25/01923/FULL
2025
35 Soho Square London W1D 3QX
Temporary display of 1:1 replica facade building wrap on the east elevation incorporating…
25/01819/ADV
2021 Approved
31-32 Dean Street London W1D 3SB
Variation of Condition 4 of planning permission dated 16th July 2019 (RN 19/04220/FULL) w…
21/03991/FULL
2021 Approved
4-6 Soho Square London W1D 3PZ
Internal alterations to create subdivision of 2nd floor room (Dean Street Annex)
21/02125/LBC
2021 Approved
2 Soho Square London W1D 3PX
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
21/01837/AD7
2020 Approved
Basement And Ground Floor 81 Dean Street London W1D 3SW
Variation of Condition 4 of planning permission dated 6 November 2018 (RN: 18/08267/FULL)…
20/08054/FULL
2020 Refused
Soho Hotel 4 Richmond Mews London W1D 3DH
The installation of 6 antenna apertures and 4 transmission dishes, the installation of 8…
20/07076/FULL
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.