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Planning application

1 James Street Marylebone High Street London W1U 1DR

Granted Westminster 25/09215/FULL Full Planning Permission Application

Works: Windows or glazing

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Installation of new doors and glazed balustrade to the existing fourth floor roof terrace on the Bird Street elevation.

As published by the council, reference 25/09215/FULL

Application record

Reference
25/09215/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
19 Dec 2025
Validated
19 Dec 2025
Decided
28 Apr 2026
Ward
West End
Decision by
Delegated Decision
Postcode
W1U 1DR

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/09216/FULL Granted

    1 James Street Marylebone High Street London W1U 1DR

    Installation of new door to existing fifth floor roof terrace and installation of new glazed balustrade on the James Street elevation.

    Decided 13 Apr 2026 Full applications

Timeline

Dates from the published record

  1. 19 Dec 2025

    Received by Westminster

  2. 28 Apr 2026

    Decision issued: Application Permitted

  3. 20 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Montagu Evans LLP Agent, registered in London

Active · incorporated 2005 · London

1,346 applications on PlanIndex · across 131 councils · 97% granted

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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.

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What this grant of permission means

Westminster granted permission on 28 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  • 1 James Street Marylebone High Street London W1U 1DR

    25/09216/FULL Submitted 19 Dec 2025 50 yards away

    Installation of new door to existing fifth floor roof terrace and installation of new glazed balustrade on the James Street elevation.

    Granted Full applications Windows or glazing 22 docs

  • Basement And Ground Floor 14 James Street Marylebone London W1U 1EF

    23/03628/TCH Submitted 31 May 2023 50 yards away

    Use of two areas of the public highway for the placing of one table, three chairs in an area measuring 1.2m x 1.6m and two tables, eight chairs, two barriers and two parasols in an area measuring 1.2m x 5.2m in connection with the existing ground floor use.

    Granted 20 docs

  • 386 Oxford Street London W1C 1JS

    26/04804/ADV Submitted 17 Jul 2026 50 yards away

    82% historically approved · decision due ~23 Sep

    Display of two internally illuminated fascia signs each measuring 4.50m x 34.50m.

    Awaiting decision Advertising 6 docs

  • Woodstock House 10-12 James Street Marylebone London W1U 1EE

    08/06997/ADFULL Submitted 7 Aug 2008 50 yards away

    Details of all new windows and doors to the rear terraces and privacy screen to the rear terrace, measures required to achieve specified noise levels and details of how the flats will be insulated to reduce noise passing between them pursuant to part Conditions 1 (i and ii), 2 and 3 of planning permission dated 18 July 2007 (RN: 07/01451).

    Granted Full applications New dwelling Windows or glazing 23 docs

  • Woodstock House 10 - 12 James Street Marylebone London W1U 1EE

    07/08691/ADFULL Submitted 8 Oct 2007 50 yards away

    Details of appropriate arrangements to secure mitigation of the potential increased demand for on street residents car parking and permanent provision of residential accommodation pursuant to Condition 10 of planning permission dated 18 July 2007 (RN: 07/01451).

    Granted Full applications 3 docs

  • Payphone Site Outside 6-8 James Street Marylebone London W1U 1JW

    12/01078/ADV Submitted 6 Feb 2012 50 yards away

    Single sided vinyl advert measuring 646mm x 1770mm attached to one glazed face of each of two conjoined payphones outside 6-8 James Street.

    Refused Advertising Windows or glazing 10 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