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Planning application

48 Gloucester Place Mews London W1U 8BD

Awaiting decision Westminster 26/02870/FULL Full Planning Permission Application

Works: Roofing Windows or glazing Domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Refurbishment and reconfiguration of existing mews dwelling including internal alterations, front elevation alterations, roof alterations, replacement windows and associated works.

As published by the council, reference 26/02870/FULL

Application record

Reference
26/02870/FULL
Type
Full Planning Permission Application
Status
Pending
Received
30 Apr 2026
Validated
30 Apr 2026
Ward
Marylebone
Postcode
W1U 8BD

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/05514/ADFULL Decided

    48 Gloucester Place Mews London W1U 8BD

    Details of amended design of carriage doors to the left-hand ground-floor opening; sash window with sidelights and infill beneath, to the right-hand ground-floor opening; upgrading of the existing front sash windows to accommodate double glazing (and methodology statement); conservation rooflights; and casement windows pursuant to Condition 5 of planning permission dated 24 July 2026 (26/02870/FULL).

    Submitted 13 Aug 2026

Timeline

Dates from the published record

  1. 30 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 25 June 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 91 days over the applications it decided in the last year.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/05514/ADFULL Decided

    48 Gloucester Place Mews London W1U 8BD

    Details of amended design of carriage doors to the left-hand ground-floor opening; sash window with sidelights and infill beneath, to the right-hand ground-floor opening; upgrading of the existing front sash windows to accommodate double glazing (and methodology statement); conservation rooflights; and casement windows pursuant to Condition 5 of planning permission dated 24 July 2026 (26/02870/FULL).

    Submitted 13 Aug 2026

Who's behind it

Company information only, from the register and Companies House

Ian Wylie Architects Ltd Agent, an architecture practice registered in London

Active · incorporated 2006 · London

7 applications on PlanIndex · across 6 councils

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

23 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 119 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

  • 48 Gloucester Place Mews London W1U 8BD

    26/05514/ADFULL Submitted 13 Aug 2026 50 yards away

    89% historically approved · decision due ~8 Oct

    Details of amended design of carriage doors to the left-hand ground-floor opening; sash window with sidelights and infill beneath, to the right-hand ground-floor opening; upgrading of the existing front sash windows to accommodate double glazing (and methodology statement); conservation rooflights; and casement windows pursuant to Condition 5 of planning permission dated 24 July 2026 (26/02870/FULL).

    Decided Extension Loft or dormer +1

  • 67 Gloucester Place London W1U 8JL

    26/02949/LBC Submitted 5 May 2026 50 yards away

    90% historically approved · decision due ~30 Jun

    Internal alterations.

    Awaiting decision Heritage and listed buildings 9 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

    88% 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

  • 71 Gloucester Place London W1U 8JW

    07/07059/AD7 Submitted 9 Aug 2007 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let'/ 'for sale' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.

    Granted Advertising 3 docs

  • 71 Gloucester Place London W1U 8JW

    03/04317/AD7 Submitted 3 Jun 2003 50 yards away

    Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

    Granted Advertising 2 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications