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Planning application

6 Upper Wimpole Street London W1G 6LG

Awaiting decision Westminster 26/05049/LBC Heritage and listed buildings

Works: Windows or glazing

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

Proposal

Installation of replacement timber sash windows at various levels on the front and rear elevations.

As published by the council, reference 26/05049/LBC

Application record

Reference
26/05049/LBC
Category
Heritage and listed buildings
Status
Pending
Received
28 Jul 2026
Validated
28 Jul 2026
Postcode
W1G 6LG

Timeline

Dates from the published record

  1. 28 Jul 2026

    Received by Westminster

  2. 4 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 22 September 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 61 days over the applications it decided in the last year.

What happens while it is decided

The process from here

This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • 6 Upper Wimpole Street London W1G 6LG

    26/04134/ADLBC Submitted 23 Jun 2026 0m away

    89% historically approved · decision due ~18 Aug

    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 0m 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 0m away

    89% historically approved · decision due ~28 Aug

    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 0m 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

    26/03513/ADLBC Submitted 28 May 2026 0m 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

  • 6 Upper Wimpole Street London W1G 6LG

    25/09228/ADFULL Submitted 19 Dec 2025 0m away

    Details of facing materials pursuant to condition 18 of planning permission dated 22 May 2025 (RN: 24/06677/FULL)

    Granted Full applications 6 docs

In Westminster

  • 26/06025/LBC Awaiting decision

    House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

    Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06024/FULL)

    3 Sep 2026 Heritage and listed buildings
  • 26/05971/LBC Awaiting decision

    House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

    Automation of door at principal floor level.

    1 Sep 2026 Heritage and listed buildings
  • 26/05962/LBC Awaiting decision

    Royal Albert Hall Kensington Gore London SW7 2AP

    Variation of condition 2 of listed building consent dated 26 March 2024 (RN: 24/00820/LBC) for the: Erect temporary access scaffolding platform at high level in the auditorium to inspect the condition of the plaster ceilings and main cornices. NAMELY, to allow the gantry to remain in place until December 2028.

    1 Sep 2026 Heritage and listed buildings
  • 26/05970/LBC Awaiting decision

    Norman Shaw Building South Victoria Embankment London SW1A 2HZ

    Replacement and installation of 16 electronic access control systems to Norman Shaw South

    1 Sep 2026 Heritage and listed buildings
  • 26/05943/LBC Awaiting decision

    1 Barton Street London SW1P 3NG

    Use of the building as F1(a) Education, along with associated internal and external alterations. (Linked with 26/05942/FULL)

    1 Sep 2026 Heritage and listed buildings