24 Upper Wimpole Street London W1G 6NE Data via plota.co.uk

26/06815/CLEUD - Certificate of Lawfulness (existing) Pending
Admin / procedural

Proposal

Confirmation that the pottery studio at front lower ground floor level is lawfully part of the main dwellinghouse (Class C3). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
6 Oct 2026
Decision
Expected by 1 Dec 2026

Under consideration

No decision has been issued yet. A decision is expected by 1 Dec 2026.

Comments are open until 4 Nov 2026

Comment on this application ↗

Documents 9

Plans & drawings 3

PDF EXISTING FLOOR PLANS Drawing · 6 Oct 2026 View ↗ PDF EXISTING LOWER GROUND Drawing · 6 Oct 2026 View ↗ PDF LOCATION PLAN AND SITE PLAN Location Plan · 6 Oct 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 6 Oct 2026 View ↗

Other documents 5

PDF RECEIPT OF APPLICATION Other · 8 Oct 2026 View ↗ PDF NEIGHBR LETTER-10YR CERT LAWFUL DEV. USE Background Papers · 8 Oct 2026 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 8 Oct 2026 View ↗ PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 8 Oct 2026 View ↗ PDF COVER LETTER Background Papers · 6 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 10

Grade II listed: 24, Upper Wimpole Street W1
List entry 1066201 · The pin is inside its outline · 43 more listed buildings within 150 m (8 Grade II*, 35 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 43 with distances
Historic England ↗
Harley Street 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 Named permitted development rights are withdrawn here.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.
Archaeological priority area: City of Westminster APA 2.6
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 ↗
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 409 m away: London Strategic Heat Main Project, at pre-application; Inside the City of Westminster built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Town centre 74 m away: Marylebone High Street.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 9 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 3

Last sold for £200,000 in September 2000. Flat or maisonette, leasehold.

6 February 2023£190,000Other property, freehold. Recorded as a transfer outside a standard sale
29 September 2000£200,000
15 January 1999£750,000

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

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Important details

Council
Westminster
Application type
Certificate of Lawfulness (existing)
Postcode
W1G 6NE
Received
6 Oct 2026
Validated
6 Oct 2026
Ward
Marylebone
Case officer
Show
Target decision
1 Dec 2026
Applicant
Show
Agent
Iceni Projects

Public comments

No public comments yet.

13 neighbours consulted · Last counted 23 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15273816
Planning Portal ref
PP-15273816
Comments by
4 Nov 2026
Site or press notice
14 Oct 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025
Details of code of construction practice pursuant to condition 10 of planning permission…
25/07755/ADFULL
2025
Details of a construction site waste management plan and details of a contaminated land d…
25/02091/ADFULL
2023
Demolition of the existing mews house at 3 Clarkes Mews and rear extensions at lower grou…
23/08774/LBC
2023
Rear extensions at lower ground and ground floor of 24 Upper Wimpole Street, excavation t…
23/08773/FULL
Within ~100m

Nearby activity

2025 Approved
Flat 2 19 Upper Wimpole Street London W1G 6LY
Installation of a new slim double-glazed timber window, painted white within the existing…
25/06205/LBC
2025 Approved
Flat 2 19 Upper Wimpole Street London W1G 6LY
Installation of a new slim double-glazed timber window, painted white within the existing…
25/06204/FULL
2025 Approved
21 Westmoreland Street London W1G 8PN
Renovation of the entrance steps to 19 and 21 Wesley Street, reducing number of steps fro…
25/05280/FULL
2025 Refused
15 Upper Wimpole Street London W1G 6LS
Infilling of courtyard between the main house and mews house at basement and ground level…
25/05010/LBC
2025
47 Weymouth Street London W1G 8NE
Rear extension at basement level and extension of the roof terrace at first floor level.
25/06502/LBC
2025
4 Clarke's Mews London W1G 6QN
Installation of one air conditioning unit at roof level
25/05464/FULL
2025
42 Wimpole Street London W1G 8YF
Internal alterations including strip out various bathrooms, installation of a stud wall t…
25/02216/LBC
2025
12 Upper Wimpole Street London W1G 6LW
Display of a non-illuminated estate agents sign measuring 0.60m x 0.90m attached to the r…
25/01552/AD7
2025
15 Upper Wimpole Street London W1G 6LS
Infilling of courtyard between the main house and mews house at basement and ground level…
25/00869/LBC
2025
15 Upper Wimpole Street London W1G 6LS
Variation of condition 1 of planning permission dated 17 September 2024 (RN:23/07898/FULL…
25/00868/FULL
2024
21 Westmoreland Street London W1G 8PN
Lowering of lower ground floor level; replacement garage flat roof at raised level; repla…
24/07696/FULL
2024
6 Upper Wimpole Street London W1G 6LG
Extension to the existing basement; replacement of third floor casement rear windows with…
24/06677/FULL
2024
6 Upper Wimpole Street London W1G 6LG
Extension to the existing basement; replacement of third floor casement rear windows with…
24/06678/LBC
2024
6 Upper Wimpole Street London W1G 6LG
Extensions and internal and external alterations to the existing property to facilitate t…
24/06469/LBC
2024
6 Upper Wimpole Street London W1G 6LG
Extensions and internal and external alterations to the existing property to facilitate t…
24/06468/FULL
2024
Flat 4 39 Wimpole Street London W1G 8YE
Minor additional alterations to the existing second floor flat following extensive refurb…
24/06423/LBC
2024
14 Upper Wimpole Street London W1G 6LR
Relocation of rainwater pipe from rear elevation to Devonshire Street elevation together…
24/05730/FULL
2024
14 Upper Wimpole Street London W1G 6LR
Relocation of rainwater pipe from rear elevation to Devonshire Street elevation together…
24/05731/LBC
2024
14 Upper Wimpole Street London W1G 6LR
Variation of condition 1 of planning permission dated 08 April 2024 (RN: 24/00065/FULL) f…
24/04941/FULL
2024 Approved
8 Upper Wimpole Street London W1G 6LH
Various internal works pursuant to flat refurbishment including removal and replacement o…
24/02218/LBC
2019 Approved
42 - 46 Weymouth Street London W1G 6NW
Installation of mechanical plant to existing flat roof at rear of 42-46 Weymouth Street i…
19/09909/FULL
2019 Approved
7 - 10 Beaumont Mews London W1G 6ED
Erection of roof extension to form additional office space, rear roof terrace enclosed by…
19/05358/FULL
2019 Approved
11 Beaumont Mews London W1G 6EE
Erection of roof extension to create 4-bedroom dwelling with rear roof terrace enclosed b…
19/05355/FULL
2019 Approved
2 Wesley Street London W1G 8PT
Replacement of existing metal framed window and metal grilles with a new timber door and…
19/06777/FULL
2019 Approved
34 Weymouth Street London W1G 6NH
External repairs and alterations to existing family dwelling, including the installation…
19/06237/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

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

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