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Planning application

123 - 125 Gloucester Place London W1U 6JZ

Awaiting decision Westminster 26/01709/FULL Full Planning Permission Application

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

Proposal

Change of use of one room in a Class C3 Dwellinghouse, currently used as an ancillary office, to Class E (e) Medical or Health services, with minor internal changes. Existing residential use in Unit F is to be maintained. (Linked to 26/01710/LBC)

As published by the council, reference 26/01709/FULL

Application record

Reference
26/01709/FULL
Type
Full Planning Permission Application
Status
Pending
Received
17 Mar 2026
Validated
17 Mar 2026
Ward
Marylebone
Postcode
W1U 6JZ

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/01710/LBC Decided

    123 - 125 Gloucester Place London W1U 6JZ

    Internal alterations at basement level. (Linked to 26/01709/FULL)

    Submitted 17 Mar 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 17 Mar 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 12 May 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:

  • 26/01710/LBC Decided

    123 - 125 Gloucester Place London W1U 6JZ

    Internal alterations at basement level. (Linked to 26/01709/FULL)

    Submitted 17 Mar 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

Child Graddon Lewis Limited Agent, registered in London

Active · incorporated 1996 · London

38 applications on PlanIndex · across 17 councils · 83% 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

16 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

  • Flat 1 123 - 125 Gloucester Place London W1U 6JZ

    26/05646/LBC Submitted 18 Aug 2026 50 yards away

    90% historically approved · decision due ~19 Oct

    Internal alterations including removal of the existing false ceiling and installation of a bathroom ventilation outlet to the rear elevation (Linked to 26/05450/FULL)

    Decided Heritage and listed buildings

  • Flat 1 123 - 125 Gloucester Place London W1U 6JZ

    26/05450/FULL Submitted 11 Aug 2026 50 yards away

    Internal alterations including the removal of the false ceiling, and the installation of a bathroom vent at the rear of the property (Linked to 26/05646/LBC)

    Decided Full applications

  • 123 - 125 Gloucester Place London W1U 6JZ

    26/01710/LBC Submitted 17 Mar 2026 50 yards away

    90% historically approved · decision due ~12 May

    Internal alterations at basement level. (Linked to 26/01709/FULL)

    Decided Heritage and listed buildings 9 docs

  • 22 Portman Square London W1H 7BG

    25/06160/FULL Submitted 29 Aug 2025 50 yards away

    Use of part of basment car park as self storgae (class B8) purposes, together with external alterations to access points, installation of a platform lift, a canopy and associated works.

    Granted Full applications 26 docs

  • 119 Gloucester Place London W1U 6JX

    08/05512/FULL Submitted 25 Jun 2008 50 yards away

    Use as a single dwelling house (Class C3). Minor alterations to front facade, demolition and rebuilding of ground and basement rear extension and enlargement of courtyard at rear ground and first floor levels.

    Granted Full applications Extension Demolition 15 docs
    Domestic

  • 119 Gloucester Place London W1U 6JX

    08/05513/LBC Submitted 25 Jun 2008 50 yards away

    Internal alterations in connection with the use of the building as a single family dwelling. Minor alterations to front facade demolition and rebuild of ground and basement rear extension and enlargement of courtyard at rear ground and first floor level.

    Granted Heritage and listed buildings Extension Demolition 2 docs
    Domestic

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