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Planning application

57 - 59 Gloucester Place London W1U 8JH

Awaiting decision Westminster 25/06939/FULL Full Planning Permission Application

Works: Extension Demolition Windows or glazing

Relates to 25/06940/LBC

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

Proposal

Partial demolition, erection of rear lift shaft and erection of ground floor rear extension; Replacement of windows; Installation of plant machinery and access at roof level; Creation of terraces at ground and first floor levels; plus external repairs and refurbishment woks. (Linked with 25/06940/LBC)

As published by the council, reference 25/06939/FULL

Application record

Reference
25/06939/FULL
Type
Full Planning Permission Application
Status
Pending
Received
26 Sep 2025
Validated
10 Oct 2025
Ward
Marylebone
Postcode
W1U 8JH

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025.

  • 25/06940/LBC Awaiting decision

    57 - 59 Gloucester Place London W1U 8JH

    Partial demolition, erection of rear lift shaft and erection of ground floor rear extension; Replacement of windows; Installation of plant machinery and access at roof level; Creation of terraces at ground and first floor levels; plus external repairs and refurbishment woks. Internal alterations, including new services; Changes to plan form; and extension of internal stair in No.59 to the 4th floor. (Linked with 25/06939/FULL)

    Submitted 26 Sep 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 26 Sep 2025

    Received by Westminster

  2. 10 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 5 December 2025, 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.

Cases linked to this one on the register

  • 25/06940/LBC Awaiting decision

    57 - 59 Gloucester Place London W1U 8JH

    Partial demolition, erection of rear lift shaft and erection of ground floor rear extension; Replacement of windows; Installation of plant machinery and access at roof level; Creation of terraces at ground and first floor levels; plus external repairs and refurbishment woks. Internal alterations, including new services; Changes to plan form; and extension of internal stair in No.59 to the 4th floor. (Linked with 25/06939/FULL)

    Submitted 26 Sep 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/06940/LBC Awaiting decision

    57 - 59 Gloucester Place London W1U 8JH

    Partial demolition, erection of rear lift shaft and erection of ground floor rear extension; Replacement of windows; Installation of plant machinery and access at roof level; Creation of terraces at ground and first floor levels; plus external repairs and refurbishment woks. Internal alterations, including new services; Changes to plan form; and extension of internal stair in No.59 to the 4th floor. (Linked with 25/06939/FULL)

    Submitted 26 Sep 2025 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Feilden+Mawson LLP Agent, registered in Norfolk

Active · incorporated 2001 · Norfolk

54 applications on PlanIndex · across 7 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

31 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

  • 57 - 59 Gloucester Place London W1U 8JH

    25/06940/LBC Submitted 26 Sep 2025 50 yards away

    90% historically approved · decision due ~5 Dec

    Partial demolition, erection of rear lift shaft and erection of ground floor rear extension; Replacement of windows; Installation of plant machinery and access at roof level; Creation of terraces at ground and first floor levels; plus external repairs and refurbishment woks. Internal alterations, including new services; Changes to plan form; and extension of internal stair in No.59 to the 4th floor. (Linked with 25/06939/FULL)

    Awaiting decision Heritage and listed buildings Extension Demolition +1 25 docs

  • 49 Gloucester Place London W1U 8JE

    25/06068/LBC Submitted 26 Aug 2025 50 yards away

    Installation of replacement window (BW1) at rear basement level. (Linked to 25/06538/FULL)

    Granted Heritage and listed buildings Windows or glazing 15 docs

  • 49 Gloucester Place London W1U 8JE

    25/06538/FULL Submitted 12 Sep 2025 50 yards away

    Installation of replacement window (BW1) at rear basement level. (Linked to 25/06068/LBC)

    Granted Full applications Windows or glazing 25 docs

  • 49 Gloucester Place London W1U 8JE

    25/06185/ADLBC Submitted 21 Aug 2025 50 yards away

    Details of sample of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 4 of listed building dated 5th July 2019 (RN:19/03497/LBC) (Linked to 25/05978/ADFULL)

    Granted Conditions Windows or glazing 12 docs

  • 67 Gloucester Place London W1U 8JL

    26/03925/LBC Submitted 15 Jun 2026 50 yards away

    90% historically approved · decision due ~10 Aug

    Replacement of sash windows to the property, replacement of awning windows to the rear lightwell, installation of secondary glazing behind casement windows with decorative glazing and replacement of 2no. fire doors. (Linked with 26/03924/FULL)

    Awaiting decision Heritage and listed buildings Windows or glazing 5 docs

  • 67 Gloucester Place London W1U 8JL

    26/03924/FULL Submitted 15 Jun 2026 50 yards away

    87% historically approved · decision due ~10 Aug

    Replacement of sash windows to the property, replacement of awning windows to the rear lightwell, installation of secondary glazing behind casement windows with decorative glazing and replacement of 2no. fire doors. (Linked with 26/03925/LBC)

    Awaiting decision Full applications Windows or glazing 5 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