1 Clay Street London W1U 6AH Data via plota.co.uk

26/07025/FULL - Full Planning Permission Application Pending
Extensions & alterations

Proposal

Conversion of the existing integral garage into habitable accommodation, including the replacement of the existing garage door with a timber-framed window and timber screening, and associated works. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
14 Oct 2026
Decision
Expected by 9 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 4 Dec 2026 and 13 Dec 2026, from Westminster's recent extensions.

Comments are open until 18 Nov 2026

Comment on this application ↗

Documents 15

Statements & assessments 2

PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 14 Oct 2026 View ↗ PDF 0869 B.07 SUSTAINABLE DESIGN STATEMENT Sustainability appraisal · 14 Oct 2026 View ↗

Plans & drawings 5

PDF 00 002-LOCATION_BLOCK PLAN Location Plan · 14 Oct 2026 View ↗ PDF 02 021 REVA-EXISTING AND PROPOSED TERRACE ELEVATION Drawing · 14 Oct 2026 View ↗ PDF 02 022 REVA-EXISTING AND PROPOSED PLANS Drawing · 14 Oct 2026 View ↗ PDF 02 023 REVA-EXISTING AND PROPOSED FRONT ELEVATION AND SECTION A Drawing · 14 Oct 2026 View ↗ PDF 02 024 REVA -EXISTING GARAGE AND PROPOSED SCREEN DOORS Drawing · 14 Oct 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 14 Oct 2026 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 16 Oct 2026 View ↗

Other documents 6

PDF RECEIPT OF APPLICATION Other · 16 Oct 2026 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 16 Oct 2026 View ↗ PDF ECNSLT-INTERNAL CONSULTS Background Papers · 16 Oct 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 16 Oct 2026 View ↗ PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 16 Oct 2026 View ↗ PDF TECHNICAL NOTE Background Papers · 14 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 10

Grade II listed: 118, CRAWFORD STREET W1 (See details for further address information)
List entry 1289319 · 1 m away · 47 more listed buildings within 150 m (47 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 47 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
National infrastructure project 405 m away: London Strategic Heat Main Project, at pre-application; Heritage at risk 78 m away: 94 and 100, Gloucester Place; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Town centre 67 m away: Baker Street (part).
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 18 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.

Sales history 1

Last sold for £4,063,430 in January 2025. Terraced house, freehold.

16 January 2025£4,063,430

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area218 m² (2,347 sq ft)
Energy ratingB (83 out of 100)
PropertyEnclosed mid-terrace house, 5 habitable rooms
Built2012 onwards
HeatingBoiler and underfloor heating, mains gas
WallsSystem built, as built, insulated (assumed)

From the energy performance certificate lodged in November 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
W1U 6AH
Received
14 Oct 2026
Validated
14 Oct 2026
Ward
Marylebone
Case officer
Show
Target decision
9 Dec 2026
Applicant
Show
Agent
Show

Decision outlook

Day 5 of the 56-day target. Westminster usually decides extensions by day 55.

Day 551 days to the 56-day target
56%decided within 8 weeks
88%approved
1,683decided in the last year

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

Public comments

No public comments yet.

55 neighbours consulted · Last counted 18 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15282395
Planning Portal ref
PP-15282395
Comments by
18 Nov 2026
Site or press notice
28 Oct 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

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
Flat 4 Second Floor 66 Gloucester Place London W1U 8HW
Internal alterations to the second and third floor duplex property with the inclusion of…
25/06554/LBC
2025 Approved
75 Gloucester Place London W1U 8JP
Minor external repairs to the original roof, elevations and windows, DOFF cleaning of mas…
25/04516/LBC
2025
90 Gloucester Place London W1U 6HS
Installation of external plant equipment, internal air conditioning units, and the runnin…
25/06362/LBC
2025
90 Gloucester Place London W1U 6HS
Installation of external plant equipment and associated external alterations. (Linked to…
25/06361/FULL
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 Approved
90 Gloucester Place London W1U 6HS
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
25/00368/AD7
2025
85 Gloucester Place London W1U 6JE
Renewal of existing communal area balustrading from first to fifth floor.
25/00042/LBC
2024
Flat 2 Ground Floor 66 Gloucester Place London W1U 8HW
Replacement of communal entrance lobby, living room door with a new FD60s door set.
24/07771/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
2024
Flat 2 Ground Floor 66 Gloucester Place London W1U 8HW
Internal alterations to the ground floor property with the inclusion of a new boiler flue…
24/04147/LBC
2024
Flat 2 Ground Floor 66 Gloucester Place London W1U 8HW
Internal alterations to the ground floor property with the inclusion of a new boiler flue…
24/04146/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
Flat 2 Ground Floor 66 Gloucester Place London W1U 8HW
Internal alterations and refurbishment. (Ground floor)
24/02091/LBC
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
2019 Approved
89 Gloucester Place London W1U 6JG
Repair and renovation of windows, metal railings, Portland stone entrance and installatio…
19/00547/LBC
2019 Approved
89 Gloucester Place London W1U 6JG
Repair and renovation of windows, metal railings, Portland stone entrance and installatio…
19/00546/FULL
2019 Withdrawn
89 Gloucester Place London W1U 6JG
Relocation of a modern door, creating one new opening, blocking off and refurbishment of…
19/00511/FULL
2018 Approved
Flat 125 2-4 Montagu Mansions London W1U 6LG
DEVELOPMENT SITE INCLUDES FLATS 125 AND 126: Amalgamation of Flat 125 and Flat 126 (at th…
18/09664/FULL
2018 Approved
8 Montagu Mews North London W1H 2JU
Demolition of existing buildings at 7 and 8 Montagu Mews North and redevelopment to provi…
18/08671/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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.