10 Stratton Street London W1J 8LG

This site has had 2 applications since 2026.

• 26/06769/FULL Awaiting decision

  10 Stratton Street London W1J 8LG

  External alterations including replacement entrance doors, facade and glazing alterations, removal of existing glazed canopies, and associated alterations to doors, and security equipment.

  Submitted 5 Oct 2026 Full applications

1. 2 Nov 2026

   Received by Westminster

2. 5 Nov 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 28 December 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.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided lawful development applications in a median of 106 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 10 Stratton Street London W1J 8LG

  26/06769/FULL Submitted 5 Oct 2026 50 yards away

  88% historically approved · decision due ~30 Nov

  External alterations including replacement entrance doors, facade and glazing alterations, removal of existing glazed canopies, and associated alterations to doors, and security equipment.

  Awaiting decision Full applications Windows or glazing

• 8 Stratton Street London W1J 8LF

  20/05719/LBC Submitted 11 Sep 2020 50 yards away

  External and internal works, including the display of a hanging sign and alteration to external handrails at third level at the rear.

  Granted Heritage and listed buildings 21 docs

• 7 Stratton Street London W1J 8LE

  26/04247/NMA Submitted 26 Jun 2026 50 yards away

  93% historically approved · decision due ~27 Aug

  Amendments to planning permission dated 7th April 2025 (RN:23/05074/FULL) for Erection of one additional floor at fifth floor level and infilling of rear lightwell from lower ground floor to fourth floor to provide additional office (Class E) accommodation; creation of terrace at rear fifth floor for use in association with office (Class E) space, installation of Air Source Heat Pumps within acoustic enclosure at new roof level, addition of planter boxes and associated alterations to the front façade, and excavation of plant pit at basement level to provide space for emergency plant equipment. Namely, alterations to the approved front elevation, including the widening of the existing entrance door opening, revisions to front façade detailing, the installation of discreet architectural lighting to the front elevation, and the introduction of a roof access hatch.

  Awaiting decision Amendments Roofing 19 docs

• 60 Curzon Street London W1J 8PG

  25/05583/FULL Submitted 8 Aug 2025 50 yards away

  Installation of condenser units within basement lightwell 2.

  Granted Full applications 26 docs

• 7 Stratton Street London W1J 8LE

  26/02336/ADFULL Submitted 9 Apr 2026 50 yards away

  88% historically approved · decision due ~4 Jun

  Detailed drawings of all new balustrades, showing black metal railings, all new doors and windows to the rear facade and all replacement and new windows to the front elevation and detailed drawings showing dormer windows with integral glazing bars pursuant to conditions 4 and 6 of planning permission dated 24th July 2023 (RN: 23/05074/FULL).

  Awaiting decision Full applications Loft or dormer Windows or glazing 14 docs

• 7 Stratton Street London W1J 8LE

  26/05085/ADFULL Submitted 29 Jul 2026 50 yards away

  89% historically approved · decision due ~23 Sep

  Details of completed Appendix A checklist from the Code of Construction Practice pursuant to condition 14 of planning permission dated 7th April 2025 (RN:23/05074/FULL).

  Decided

• 26/07468/CLOPUD Awaiting decision

  14 - 16 Great Portland Street London W1W 8QW

  Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

  Received 3 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07423/CLOPUD Awaiting decision

  103 Elgin Avenue London W9 2NP

  Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

  Received 2 Nov, published by the council 4 Nov 2026 Lawful development
• 26/07381/CLEUD Awaiting decision

  Ground Floor Rear Flat 4 Mozart Street London W10 4LA

  Use of the ground floor rear flat as short-term visitor accommodation.

  Received 28 Oct, published by the council 5 Nov 2026 Lawful development
• 26/07339/CLOPUD Awaiting decision

  123 Victoria Street London SW1E 6DE

  Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

  Received 27 Oct, published by the council 30 Oct 2026 Lawful development
• 26/07345/CLOPUD Awaiting decision

  New Scotland Yard Victoria Embankment London SW1A 2JL

  Installation of Solar Gard Stainless Steel 20 solar control film to the internal face of the existing fifth-floor glazing.

  Received 27 Oct, published by the council 30 Oct 2026 Lawful development