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Planning application

6 Upper Wimpole Street London W1G 6LG

Awaiting decision Westminster 26/03123/ADFULL Approval of Details (Full PP)

Works: Trees

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Details of root pruning / root pruning impact assessment pursuant to Conditions 13 and 14 of planning permission dated 23 May 2025 (RN: 24/06677/FULL)

As published by the council, reference 26/03123/ADFULL

Application record

Reference
26/03123/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
12 May 2026
Validated
12 May 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).

    Submitted 4 Aug 2026
  • 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.

    Submitted 28 Jul 2026 Heritage and listed buildings
  • 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)

    Submitted 6 Jul 2026 Full applications
  • 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)

    Submitted 6 Jul 2026 Conditions
  • 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)

    Submitted 3 Jul 2026
  • 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)

    Decided 20 Jul 2026
  • 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.

    Decided 15 Jul 2026
  • 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.

    Submitted 23 Jun 2026
  • 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,

    Submitted 19 Jun 2026
  • 26/03644/LBC Awaiting decision

    6 Upper Wimpole Street London W1G 6LG

    Installation of an automatic fire suppression (sprinkler) system.

    Submitted 4 Jun 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 12 May 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 7 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 record

Documents

Plans, drawings, consultee responses and the officer's report

9 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 documents

What 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 full applications in a median of 91 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 6 Upper Wimpole Street London W1G 6LG

    26/04134/ADLBC Submitted 23 Jun 2026 50 yards away

    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

    26/03581/ADLBC Submitted 1 Jun 2026 50 yards away

    90% historically approved · decision due ~27 Jul

    Details of method statement pursuant to condition 8 of appeal decision dated 22nd December 2025 APP/X5990/Y/25/3371071 (RN: 24/06469/LBC).

    Awaiting decision Conditions 8 docs

  • 6 Upper Wimpole Street London W1G 6LG

    26/04362/ADLBC Submitted 1 Jul 2026 50 yards away

    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

    26/04071/ADFULL Submitted 19 Jun 2026 50 yards away

    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

    26/05049/LBC Submitted 28 Jul 2026 50 yards away

    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

    26/03513/ADLBC Submitted 28 May 2026 50 yards away

    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

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications