Planning application
6 Upper Wimpole Street London W1G 6LG
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Details of method statement pursuant to condition 8 of appeal decision dated 22nd December 2025 APP/X5990/Y/25/3371071 (RN: 24/06469/LBC).
As published by the council, reference 26/03581/ADLBC
Application record
- Reference
- 26/03581/ADLBC
- Type
- Approval of Details (ADLBC)
- Status
- Pending
- Received
- 1 Jun 2026
- Validated
- 1 Jun 2026
- Ward
- Marylebone
- Postcode
- W1G 6LG
Site history
Applications at this address on the Westminster register
This site has had 19 applications since 2025: 4 approved, 0 refused.
-
26/05276/ADLBC Decided
6 Upper Wimpole Street London W1G 6LG
Details of method statement for historic floor coverings pursuant to condition 7 of listed building consent granted at appeal dated 22 December 2025 (Appeal B Ref: APP/X5990/Y/25/3371071)(RN: 25/00101/HBREF).
-
26/05049/LBC Awaiting decision
6 Upper Wimpole Street London W1G 6LG
Installation of replacement timber sash windows at various levels on the front and rear elevations.
-
26/04499/ADFULL Awaiting decision
6 Upper Wimpole Street London W1G 6LG
Details (photographs and/or manufacturers' specifications) of the external facing materials to be used, including elevations and roof plans annotated to show where the materials are to be located pursuant to condition 8 of planning permission granted at appeal dated 22nd December 2025 (RN:APP/X5990/W/25/3371070)
-
26/04496/ADLBC Awaiting decision
6 Upper Wimpole Street London W1G 6LG
Details (photographs and/or manufacturers' specifications) of the external facing materials to be used, including elevations and roof plans annotated to show where the materials are to be located, in the construction of the works pursuant to condition 3 of listed building granted at appeal dated 22nd December 2025(RN:APP/X5990/Y/25/3371071)
-
26/04432/ADFULL Awaiting decision
6 Upper Wimpole Street London W1G 6LG
Details of a risk assessment to identify the potential risks associated with any contamination pursuant to Condition 4 of planning permission 24/06468/FULL granted at appeal dated 22nd December 2025 (RN:APP/X5990/D/25/3371070)
-
26/04362/ADLBC Decided
6 Upper Wimpole Street London W1G 6LG
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 (Planning Inspectorate RN:25/00101/HBREF ; Council RN: 25/00101/HBREF and 24/06469/LBC)
-
26/04134/ADLBC Decided
6 Upper Wimpole Street London W1G 6LG
Details of new external doors, including French doors and those into the courtyard; new roof lanterns and roof lights; new windows; and acoustic enclosure and wall lining for the condensing unit pursuant to condition 5 of appeal decision APP/X5990/Y/25/3371071 dated 22 December 2025.
-
26/04146/ADFULL Awaiting decision
6 Upper Wimpole Street London W1G 6LG
Details of new external doors, including French doors and those into the courtyard; new roof lanterns and roof lights; new windows; and acoustic enclosure and wall lining for the condensing unit pursuant to condition 9 of appeal decision APP/X5990/Y/25/3371070 dated 22 December 2025.
-
26/04071/ADFULL Decided
6 Upper Wimpole Street London W1G 6LG
Details of tree report; pursuant to Condition 6 (Part 1) of Appeal Decision APP/X5990/W/25/3371070, dated 22nd December 2025,
-
26/03644/LBC Awaiting decision
6 Upper Wimpole Street London W1G 6LG
Installation of an automatic fire suppression (sprinkler) system.
Timeline
Dates from the published record
-
1 Jun 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 27 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 66 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Boyer Planning Ltd Agent, a planning consultancy registered in Camberley
Active · incorporated 1990 · Camberley
191 applications on PlanIndex · across 61 councils · 89% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided condition discharge and variation applications in a median of 42 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
6 Upper Wimpole Street London W1G 6LG
Details of new external doors, including French doors and those into the courtyard; new roof lanterns and roof lights; new windows; and acoustic enclosure and wall lining for the condensing unit pursuant to condition 5 of appeal decision APP/X5990/Y/25/3371071 dated 22 December 2025.
Decided Loft or dormer Roofing +1 -
6 Upper Wimpole Street London W1G 6LG
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 (Planning Inspectorate RN:25/00101/HBREF ; Council RN: 25/00101/HBREF and 24/06469/LBC)
Decided -
6 Upper Wimpole Street London W1G 6LG
89% historically approved · decision due ~14 Aug
Details of tree report; pursuant to Condition 6 (Part 1) of Appeal Decision APP/X5990/W/25/3371070, dated 22nd December 2025,
Decided Trees -
6 Upper Wimpole Street London W1G 6LG
90% historically approved · decision due ~22 Sep
Installation of replacement timber sash windows at various levels on the front and rear elevations.
Awaiting decision Heritage and listed buildings Windows or glazing -
6 Upper Wimpole Street London W1G 6LG
90% historically approved · decision due ~23 Jul
Details of methodology for tanking works to vaults pursuant to condition 8 of listed building consent dated 22 May 2025 (RN: 24/06678/LBC)
Awaiting decision Conditions 8 docs -
6 Upper Wimpole Street London W1G 6LG
Details of facing materials pursuant to condition 18 of planning permission dated 22 May 2025 (RN: 24/06677/FULL)
Granted Full applications 6 docs
Other condition discharge and variation applications
In Westminster
-
26/04860/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)
-
26/04843/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
-
26/05026/ADLBC Awaiting decision
St James's Park The Mall London SW1A 1AA
Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)
-
26/04850/ADLBC Awaiting decision
17 Belgrave Square London SW1X 8PG
Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)
-
25/07120/ADLBC Granted
72 - 74 Lancaster Gate London W2 3NH
Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)