1 James Street Marylebone High Street London W1U 1DR

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

• 25/09215/FULL Granted

  1 James Street Marylebone High Street London W1U 1DR

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

  Decided 28 Apr 2026 Full applications

1. 19 Dec 2025

   Received by Westminster

2. 13 Apr 2026

   Decision issued: Application Permitted

3. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 13 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.

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.

• 1 James Street Marylebone High Street London W1U 1DR

  25/09215/FULL Submitted 19 Dec 2025 50 yards away

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

  Granted Full applications Windows or glazing 23 docs

• 386 Oxford Street London W1C 1JS

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

  84% 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

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

  08/03623/ADFULL Submitted 21 Apr 2008 50 yards away

  Discharge of condition 9 and variation of condition 5, namely to show stacking of compatible rooms and provision of satisfactory family accommodation, pursuant to planning permission dated 18 July 2007 (RN: 07/01451).

  Granted Full applications 4 docs

• 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