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

26/04362/ADLBC - Approval of Details (ADLBC) Pending
Admin / procedural

Proposal

Details of a methodology for tanking works to the vaults, including a section through vault tanking and location of drains and pumping equipment pursuant to condition 2 of listed building granted at appeal dated 22.12.2025 (RN:25/00101/HBREF) Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
1 Jul 2026
✓
Validated
3 Jul 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet.

Documents 9

Statements & assessments 1

PDF LBC CON. 2 - STATEMENT Other · 1 Jul 2026 View ↗

Plans & drawings 1

PDF VAULT DETAIL Drawing · 3 Jul 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 1 Jul 2026 View ↗ PDF FEECALCULATION Background Papers · 1 Jul 2026 View ↗

Other documents 5

PDF RECEIPT OF APPLICATION Other · 3 Jul 2026 View ↗ PDF 1ST INVALID LETTER Background Papers · 3 Jul 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 1 Jul 2026 View ↗ PDF VAULT DETAIL Superseded document · 1 Jul 2026 View ↗ PDF CONDITION 2 COVER LETTER (LBC) Other · 1 Jul 2026 View ↗

All documents on the council site ↗

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Important details

Council
Westminster
Application type
Approval of Details (ADLBC)
Postcode
W1G 6LG
Received
1 Jul 2026
Validated
3 Jul 2026
Ward
Marylebone
Case officer
Track to view
Target decision
28 Aug 2026
Applicant
Track to view
Agent
Boyer Planning

Consultation & key dates

Alt. reference
PP-15052189
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
3.7/10
Below average
#209 of 292 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #227 out of 292. Only 27% of applications have the time limit extended, well below the 40% 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 79% approved vs 90% nationally.

One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision performance
Based on MHCLG data, 2025
86%
Overall approval rate
Below avg (87%) #200 of 292
79%
Householder approved
Below avg (90%) #279 of 292
53%
Decided in 8 weeks
Below avg (64%) #227 of 292
27%
Extended time limit
Below avg (40%) #43 of 292
86%
Minor dwellings approved
14 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
86%
Change of use approved
140 decided
4,828
Total decisions
669 refused in 2025
Source: MHCLG planning statistics · See full council rankings