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Planning application

15 Upper Wimpole Street London W1G 6LS

Awaiting decision Westminster 26/00654/ADLBC Approval of Details (ADLBC)

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

Details of works to roofs, including leadwork, slating and retention of slate coping to rear vaulted roof; design of new entrance door and mews doors (to be traditional with collinge hinges); paving specs/sample (lightwells/infills); design and materials of new fanlight; works to front lightwell entrance steps, rationalised pipe work, detailed design and materials of glazed lift; relationship of glazed lift to decorative features at each level, confirmation that floorboards will be retained throughout and any new flooring pursuant to Conditions 3 External (2,4,7,8,9 and 10) and Internal (8,9,10 and 11) of listed building consent dated 03 June 2025 (RN25/00869/LBC)

As published by the council, reference 26/00654/ADLBC

Application record

Reference
26/00654/ADLBC
Type
Approval of Details (ADLBC)
Status
Pending
Received
4 Feb 2026
Validated
4 Feb 2026
Ward
Marylebone
Postcode
W1G 6LS

Site history

Applications at this address on the Westminster register

This site has had 7 applications since 2006: 6 approved, 0 refused.

  • 26/01201/ADLBC Granted

    15 Upper Wimpole Street London W1G 6LS

    Detailed drawings of the extent of chasing for riser pursuant to part internal part 12 of condition 3 of listed building consent dated 3rd June 2025 (RN 25/00869/LBC)

    Decided 15 Apr 2026 Conditions
  • 26/00713/ADFULL Granted

    15 Upper Wimpole Street London W1G 6LS

    Details of privacy screen and detailed drawings/schedules/samples of works to fit glazing bars to retained windows; horizontal and vertical sections through new window and door joinery; coping specification and material to rear brickwork screen and glazing system to infill roof pursuant to condition 6 and 9 (part 1, 3, 5, 6) of planning permission dated 3 June 2025 (RN: 25/00868/FULL)

    Decided 5 Mar 2026 Full applications
  • 26/00712/ADFULL Granted

    15 Upper Wimpole Street London W1G 6LS

    Detailed drawings/schedules/samples at appropriate scale of works to roofs, including leadwork, slating and retention of slate coping to rear vaulted roof; design of new entrance door and mews doors (to be traditional with collinge hinges); paving specs/sample (lightwells/infills); design and materials of new fanlight, Works to front lightwell and entrance steps and rationalised pipe work pursuant to condition 9 (part 2, 4, 7, 8, 9, 10) of planning permission dated 3 June 2025 (RN: 25/00868/FULL)

    Decided 5 Mar 2026 Full applications
  • 26/00705/ADLBC Granted

    15 Upper Wimpole Street London W1G 6LS

    Details of works to fit glazing bars to retained windows, horizontal and vertical sections through new window and door joinery, coping specification and material to rear brickwork screen and glazing system to infill roof pursuant to Condition 3 (Parts 1, 3, 5 and 6) of Listed Building Consent dated 3 June 2025 (RN: 25/00869/LBC)

    Decided 5 Mar 2026 Conditions
  • 06/10222/FULL Granted

    15 Upper Wimpole Street London W1G 6LS

    Use of ground and first floors of existing single family dwelling house (Class C3) as medical consulting rooms (Class D1).

    Decided 6 Feb 2007 Full applications
  • 06/10221/CLEUD Granted

    15 Upper Wimpole Street London W1G 6LS

    Use as a single family dwelling house (Class C3) with ancilllary medical use (including two rooms at front and central ground floor, and one room at rear first floor).

    Decided 6 Feb 2007 Lawful development

Timeline

Dates from the published record

  1. 4 Feb 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 1 April 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

Heritage Potential Ltd. Agent

25 applications on PlanIndex · across 9 councils · 100% 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

15 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 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

  • 15 Upper Wimpole Street London W1G 6LS

    06/10222/FULL Submitted 20 Dec 2006 50 yards away

    Use of ground and first floors of existing single family dwelling house (Class C3) as medical consulting rooms (Class D1).

    Granted Full applications 6 docs
    Domestic

  • 15 Upper Wimpole Street London W1G 6LS

    06/10221/CLEUD Submitted 20 Dec 2006 50 yards away

    Use as a single family dwelling house (Class C3) with ancilllary medical use (including two rooms at front and central ground floor, and one room at rear first floor).

    Granted Lawful development 5 docs
    Domestic

  • 15 Upper Wimpole Street London W1G 6LS

    26/00713/ADFULL Submitted 6 Feb 2026 50 yards away

    Details of privacy screen and detailed drawings/schedules/samples of works to fit glazing bars to retained windows; horizontal and vertical sections through new window and door joinery; coping specification and material to rear brickwork screen and glazing system to infill roof pursuant to condition 6 and 9 (part 1, 3, 5, 6) of planning permission dated 3 June 2025 (RN: 25/00868/FULL)

    Granted Full applications Extension Windows or glazing 17 docs

  • 15 Upper Wimpole Street London W1G 6LS

    26/00712/ADFULL Submitted 6 Feb 2026 50 yards away

    Detailed drawings/schedules/samples at appropriate scale of works to roofs, including leadwork, slating and retention of slate coping to rear vaulted roof; design of new entrance door and mews doors (to be traditional with collinge hinges); paving specs/sample (lightwells/infills); design and materials of new fanlight, Works to front lightwell and entrance steps and rationalised pipe work pursuant to condition 9 (part 2, 4, 7, 8, 9, 10) of planning permission dated 3 June 2025 (RN: 25/00868/FULL)

    Granted Full applications 11 docs

  • 15 Upper Wimpole Street London W1G 6LS

    26/00705/ADLBC Submitted 5 Feb 2026 50 yards away

    Details of works to fit glazing bars to retained windows, horizontal and vertical sections through new window and door joinery, coping specification and material to rear brickwork screen and glazing system to infill roof pursuant to Condition 3 (Parts 1, 3, 5 and 6) of Listed Building Consent dated 3 June 2025 (RN: 25/00869/LBC)

    Granted Conditions Extension Windows or glazing 15 docs

  • 15 Upper Wimpole Street London W1G 6LS

    26/01201/ADLBC Submitted 25 Feb 2026 50 yards away

    Detailed drawings of the extent of chasing for riser pursuant to part internal part 12 of condition 3 of listed building consent dated 3rd June 2025 (RN 25/00869/LBC)

    Granted Conditions 14 docs

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)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 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).

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 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)

    Received 27 Jul, published by the council 4 Aug 2026 Conditions
  • 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)

    Received 20 Jul, published by the council 1 Aug 2026 Conditions
  • 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)

    Received 2 Oct, published by the council 21 Jul 2026 Conditions