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

26/04983/ADFULL - Approval of Details (Full PP) Pending
Admin / procedural

Proposal

Details of adherence to code of construction practice pursuant to condition 5 of planning permission () granted at appeal dated 22 December 2025 (RN: ) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Jul 2026
✓
Validated
28 Sept 2026
Decision
Expected by 23 Nov 2026

This application is under consideration - no decision has been issued yet. A decision is expected by 23 Nov 2026.

Documents 16

Decision & officer reports 1

PDF 26/04071/ADFULL DECISION LETTER Background Papers · 24 Jul 2026 View ↗

Plans & drawings 3

PDF MONITORING POINTS DRAWINGS Drawing · 24 Jul 2026 View ↗ PDF LOCATION PLAN Location Plan · 24 Jul 2026 View ↗ PDF CONSTRUCTION MANAGEMENT PLAN Construction Management Plan · 24 Jul 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 24 Jul 2026 View ↗

Consultation & comments 2

PDF INVALID CHASER LETTER (14 DAY RESPONSE) Background Papers · 24 Sept 2026 View ↗ PDF LETTER TO NEIGHBOURS Background Papers · 24 Jul 2026 View ↗

Other documents 9

PDF COCP CHECKLIST A - SIGNED AND STAMPED Background Papers · 28 Sept 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 28 Jul 2026 View ↗ PDF 1ST INVALID LETTER Background Papers · 28 Jul 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 24 Jul 2026 View ↗ PDF DOCUMENT REGISTER Background Papers · 24 Jul 2026 View ↗ PDF RAI GANTT CHART Background Papers · 24 Jul 2026 View ↗ PDF SUMMARY OF DEMOLITION AND CONSTRUCTION METHODOLOGY (A) Background Papers · 24 Jul 2026 View ↗ PDF OUTLINE CONSTRUCTION SEQUENCE FOR PROPOSED STRUCTURAL CHANGES (B) Background Papers · 24 Jul 2026 View ↗ PDF COVER LETTER Background Papers · 24 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 4

Site constraints 8

Grade II listed: 7, Upper Wimpole Street W1
List entry 1066200 · 8 m away · 40 more listed buildings within 150 m (7 Grade II*, 33 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 40 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
Scheduled monument 220 m away: A subterranean commercial ice-well (City of Westminster), Park Crescent West, W1; Inside the City of Westminster built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 1 October 2026. Historic England, the Environment Agency, Natural England 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.

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Important details

Council
Westminster
Application type
Approval of Details (Full PP)
Postcode
W1G 6LG
Received
24 Jul 2026
Validated
28 Sept 2026
Ward
Marylebone
Case officer
Show
Target decision
23 Nov 2026
Applicant
Show
Agent
Boyer Planning - London

Public comments

No public comments yet.

Last counted 1 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15109184
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
Details of Code of Construction Practice pursuant to condition 17 of planning permission…
25/04783/ADFULL
2025 Approved
Details of Trees - method statement pursuant to Condition 11 of planning permission dated…
25/04539/ADFULL
2025 Approved
Details of desktop study pursuant to condition 3 (phase 1) of planning permission dated 2…
25/04572/ADFULL
2024
Extension to the existing basement; replacement of third floor casement rear windows with…
24/06677/FULL
2024
Extension to the existing basement; replacement of third floor casement rear windows with…
24/06678/LBC
2024
Extensions and internal and external alterations to the existing property to facilitate t…
24/06469/LBC
2024
Extensions and internal and external alterations to the existing property to facilitate t…
24/06468/FULL
2023
Trial pits within the vaults to the front of 6 Upper Wimpole Street.
23/08028/LBC
2023 Approved
Confirmation that the lawful use of 6 Upper Wimpole Street and 6 Devonshire Mews South is…
23/05034/CLEUD
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
41 Devonshire Place London W1G 6JY
Reinstatement of the brick arches to the vaults; the reinstatement of the brickwork bridg…
25/07573/LBC
2025
41 Devonshire Place London W1G 6JY
Reinstatement of the brick arches to the vaults; the reinstatement of the brickwork bridg…
25/07572/FULL
2025
93 Harley Street London W1G 6AD
Installation of X2 external signage plaques
25/07419/LBC
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 Approved
99 Harley Street London W1G 6AQ
Repairs and rebuilding of front elevation at second and third floor level including alter…
25/04811/LBC
2025 Withdrawn
99 Harley Street London W1G 6AQ
Repairs and rebuilding of front elevation at second and third floor level including alter…
25/04810/FULL
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
113 - 115 Harley Street London W1G 6AP
Installation of replacement steel vent pipe (Linked with 25/01123/FULL).
25/01124/LBC
2025
113 - 115 Harley Street London W1G 6AP
Installation of replacement steel vent pipe (Linked with 25/01124/LBC).
25/01123/FULL
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
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
2024 Approved
8 Upper Wimpole Street London W1G 6LH
Various internal works pursuant to flat refurbishment including removal and replacement o…
24/02217/FULL
2020 Approved
18 Upper Wimpole Street London W1G 6LX
Replacement installation of air-conditioning unit at roof level within a new acoustic enc…
20/04758/FULL
2020 Approved
34 Weymouth Street London W1G 6NH
External and internal repairs and alterations to existing family dwelling including the i…
20/03514/LBC
2020 Approved
34 Weymouth Street London W1G 6NH
External and internal repairs and alterations to existing family dwelling including the i…
20/03513/FULL
2020 Approved
Flat 2 20 Upper Wimpole Street London W1G 6LZ
Internal alterations including removal of non-original partition walls, replacement bathr…
20/05144/LBC
2020 Refused
107 Harley Street London W1G 6AL
Creation of a new opening at the rear of the ground floor to provide a fire escape onto t…
20/02069/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