90 Gloucester Place London W1U 6HS Data via plota.co.uk

25/06361/FULL - Full Planning Permission Application Approved

Proposal

Installation of external plant equipment and associated external alterations. (Linked to 25/06362/LBC) Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
8 Sept 2025
✓
Consultation
29 Sept 2025
✓
Approved
6 Mar 2026

Approved on 6 Mar 2026 · Delegated Decision · Last checked 18 Oct 2026

Documents 37

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 6 Mar 2026 View ↗ PDF DELEGATED REPORT Report · 6 Mar 2026 View ↗

Statements & assessments 4

PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 8 Sept 2025 View ↗ PDF HERITAGE STATEMENT Heritage Statement · 8 Sept 2025 View ↗ PDF PLANT NOISE REPORT Background Papers · 8 Sept 2025 View ↗ PDF ENERGY STATEMENT Background Papers · 8 Sept 2025 View ↗

Plans & drawings 21

PDF PROPOSED ROOF SECTION Drawing · 27 Feb 2026 View ↗ PDF PROPOSED GROUND FLOOR PLAN Drawing · 6 Jan 2026 View ↗ PDF PROPOSED SECOND FLOOR PLAN Drawing · 16 Dec 2025 View ↗ PDF SITE LOCATION PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING BASEMENT PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING GROUND FLOOR PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING FIRST FLOOR PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING SECOND FLOOR PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING THIRD FLOOR PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING ROOF LOFT PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING ROOF PLAN Drawing · 8 Sept 2025 View ↗ PDF EXISTING SECTION Drawing · 8 Sept 2025 View ↗ PDF PROPOSED BASEMENT PLAN Drawing · 8 Sept 2025 View ↗ PDF PROPOSED GROUND FLOOR PLAN Superseded document · 8 Sept 2025 View ↗ PDF PROPOSED FIRST FLOOR PLAN Drawing · 8 Sept 2025 View ↗ PDF PROPOSED SECOND FLOOR PLAN Superseded document · 8 Sept 2025 View ↗ PDF PROPOSED THIRD FLOOR PLAN Drawing · 8 Sept 2025 View ↗ PDF PROPOSED ROOF LOFT PLAN Drawing · 8 Sept 2025 View ↗ PDF PROPOSED ROOF PLAN Drawing · 8 Sept 2025 View ↗ PDF PROPOSED SECTION Superseded document · 8 Sept 2025 View ↗ PDF EXISTING AND PROPOSED INTERNAL DRAWING AND EXISTING PHOTOS Drawing · 8 Sept 2025 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 8 Sept 2025 View ↗ PDF FEECALCULATION Background Papers · 8 Sept 2025 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 29 Sept 2025 View ↗

Other documents 7

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 29 Sept 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 29 Sept 2025 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 29 Sept 2025 View ↗ PDF RECEIPT OF APPLICATION Other · 12 Sept 2025 View ↗ PDF 1ST INVALID LETTER Background Papers · 12 Sept 2025 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 8 Sept 2025 View ↗ PDF COVER LETTER Background Papers · 8 Sept 2025 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 10

Grade II listed: 118, CRAWFORD STREET W1 (See details for further address information)
List entry 1289319 · The pin is inside its outline · 51 more listed buildings within 150 m (51 Grade II)
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 the other 51 with distances
Historic England ↗
Portman Estate 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 ↗
Article 4 direction
Article 4 Basement Development Permitted Rights Removed. 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.
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 ↗
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.
Also on the record
Heritage at risk 53 m away: 94 and 100, Gloucester Place; National infrastructure project 430 m away: London Strategic Heat Main Project, at pre-application; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Town centre 80 m away: Baker Street (part).
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 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 area376 m² (4,047 sq ft)
Energy ratingD (asset rating 91)
UseOffices and Workshop Businesses
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in August 2025, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

19 Oct 2026Pending

Second Floor 31 Gloucester Place London W1U 6HT

Erection of safety railings to raised patio area accessible from existing french...

26/05530/FULL
13 Oct 2026Pending

89 Gloucester Place London W1U 6JG

Internal heritage repairs to the entrance hall north party wall and adjacent to ...

26/06972/LBC
9 Sept 2026Pending

46 Gloucester Place London W1U 8HG

Installation of 1,100 mm high protective railings along the existing roof-level ...

26/06178/FULL
7 Sept 2026Approved

91 Gloucester Place London W1U 6JG

Certificate of lawfulness for an existing use or development to confirm that the...

26/06080/CLEUD

Nearby new applications

30 Oct 2026Pending

39 Montagu Square London W1H 2LL

Amalgamation of Flats 3 and 4 (Use Class C3) to form one single dwelling (Use Cl...

26/07415/FULL
30 Oct 2026Pending

39 Montagu Square London W1H 2LL

Amalgamation of Flats 3 and 4 to form one single dwelling including associated i...

26/07416/LBC
29 Oct 2026Pending

Flat 6 15 Fitzhardinge Street London W1H 6EQ

Replacement of existing timber sash windows with slim double glazed timber sash ...

26/06622/FULL
29 Oct 2026Pending

Flat 6 15 Fitzhardinge Street London W1H 6EQ

Replacement of existing timber sash windows with slim double glazed timber sash ...

26/06623/LBC
28 Oct 2026Pending

90 Gloucester Place London W1U 6HS

Use of the building as an embassy (sui generis)

26/07382/FULL
27 Oct 2026Pending

41 Manchester Street London W1U 7LN

Details of a methodology, where applicable, and detailed drawings (Scale 1:20 an...

26/07349/ADFULL

Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W1U 6HS
Received
8 Sept 2025
Validated
8 Sept 2025
Ward
Marylebone
Case officer
Show
Target decision
6 Mar 2026
Decision
Application Permitted
Decision date
6 Mar 2026
Decision level
Delegated Decision
Agent
Newmark

How this decision compares

Decided in 179 days from validation, 103 days slower than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.

35%decided within 8 weeks
86%approved
2,198decided in the last year

Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

No public comments yet.

9 neighbours consulted · Last counted 18 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14221851
Planning Portal ref
PP-14221851
Comments by
20 Oct 2025
Site or press notice
29 Sept 2025
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

2025
Installation of external plant equipment, internal air conditioning units, and the runnin…
25/06362/LBC
2025 Approved
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
25/00368/AD7
Within ~100m

Nearby activity

2025 Approved
28 Dorset Street London W1U 8AR
Variation of Condition 1 of planning permission dated 22nd May 2024 (RN:23/07147/FULL) fo…
25/06073/FULL
2025
70 Gloucester Place London W1U 8HP
Waterproofing of underpavement vaults using cavity membrane system.
25/08176/LBC
2025
Flat 2 70 Gloucester Place London W1U 8HP
Internal alterations including refurbishments; replacement of sound insulation within the…
25/07932/LBC
2025 Refused
Flat 2 70 Gloucester Place London W1U 8HP
Creation of new opening between the kitchen and living room, new non load bearing partiti…
25/04362/LBC
2025 Approved
Flat 11 99 Gloucester Place London W1U 6JL
Installation of bio-bidet on the existing WC at second floor level.
25/04214/LBC
2025
7 Montagu Mews North London W1H 2JU
Demolition of existing dwelling and replacement with a new three bedroom dwelling (Class…
25/04369/FULL
2025
111 Gloucester Place London W1U 6JP
Repair and retile concrete front entrance steps. (Linked with 25/00175/FULL)
25/00176/LBC
2025
111 Gloucester Place London W1U 6JP
Alterations to the front entrance steps and entrance flooring. (Linked with 25/00176/LBC)
25/00175/FULL
2025
85 Gloucester Place London W1U 6JE
Renewal of existing communal area balustrading from first to fifth floor.
25/00042/LBC
2024 Approved
Flat 98 2-4 Montagu Mansions London W1U 6LF
Replacement of existing windows including French doors at front and rear third floor leve…
24/00158/FULL
2024
11 Montagu Mews North London W1H 2JZ
Change of Use From Ground Office - Basement Storage to C3 Residential
24/04358/FULL
2023 Approved
28 Dorset Street London W1U 8AR
Use of office accommodation (Class E) to a single residential dwelling (Class C3) includi…
23/07147/FULL
2024 Refused
Ground Floor And First Floor 8 Durweston Street London W1H 1EW
Replacement of existing timber-framed windows at ground and first floors with uPVC-framed…
24/01264/FULL
2024
19 Montagu Mews North London W1H 2JR
Installation of replacement like for like sash window at ground floor side elevation incl…
24/01898/FULL
2024
8 Montagu Mews North London W1H 2JU
Demolition of existing one bedroom dwelling (7 Montagu Mews North) and replacement with a…
24/01842/FULL
2023 Refused
10 Montagu Mews North London W1H 2JY
Installation of air source heat pump unit within an acoustic enclosure at main roof level.
23/08935/FULL
2023 Approved
8 Montagu Mews North London W1H 2JU
Erection of mansard roof at no.8 to extend existing single family dwelling, and re-demisi…
23/02830/FULL
2023
93 - 95 Gloucester Place London W1U 6JQ
Installation of transition boxes for internet in front lightwell and installation of cabl…
23/08254/LBC
2023
93 - 95 Gloucester Place London W1U 6JQ
Installation of transition boxes for internet in front lightwell and installation of cabl…
23/08253/FULL
2023 Approved
Flat 5 Third Floor 83 Gloucester Place London W1U 6JD
Internal alterations and refurbishment including creation of a new utility room, installa…
23/06442/LBC
2019 Approved
23 Dorset Street London W1U 6QZ
Replacement of front elevation first floor windows with sash windows; replacement of rear…
19/08671/FULL
2019 Approved
Flat 47 1-3 Montagu Mansions London W1U 6LD
Replacement of existing air conditioning unit and reduction of existing ancillary pipewor…
19/04687/FULL
2019 Refused
112 Crawford Street London W1H 2JF
Use of basement and part ground floor as self contained residential unit (Class C3), use…
19/00999/FULL
2019 Approved
112 Crawford Street London W1H 2JF
Installation of railings to the front elevation at ground floor level, widening of 3 side…
19/03407/LBC
2019 Approved
Flat 1 96 Gloucester Place London W1U 6HT
Internal alterations to ground floor flat.
19/02133/LBC
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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.