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Planning application

7 Stratton Street London W1J 8LE

Awaiting decision Westminster 26/02336/ADFULL Approval of Details (Full PP)

Works: Loft or dormer Windows or glazing

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

Proposal

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).

As published by the council, reference 26/02336/ADFULL

Application record

Reference
26/02336/ADFULL
Type
Approval of Details (Full PP)
Status
Pending
Received
9 Apr 2026
Validated
9 Apr 2026
Ward
West End
Postcode
W1J 8LE

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2026.

  • 26/05085/ADFULL Decided

    7 Stratton Street London W1J 8LE

    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).

    Submitted 29 Jul 2026
  • 26/04247/NMA Awaiting decision

    7 Stratton Street London W1J 8LE

    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.

    Submitted 26 Jun 2026 Amendments
  • 26/03506/ADV Awaiting decision

    7 Stratton Street London W1J 8LE

    Display of non-illuminated hoarding measuring 2.7m x 5.6m for a temporary period from 01 July 2026 - 01 July 2027.

    Submitted 28 May 2026 Advertising

Timeline

Dates from the published record

  1. 9 Apr 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 4 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 66 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Adderstone Projects Ltd Agent, registered in Newcastle Upon Tyne

Active · incorporated 2005 · Newcastle Upon Tyne

3 applications on PlanIndex · across 3 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

14 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 91 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

  • 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

  • 7 Stratton Street London W1J 8LE

    26/03506/ADV Submitted 28 May 2026 50 yards away

    84% historically approved · decision due ~30 Jul

    Display of non-illuminated hoarding measuring 2.7m x 5.6m for a temporary period from 01 July 2026 - 01 July 2027.

    Awaiting decision Advertising 10 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

  • 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

  • 6 Stratton Street London W1J 8LD

    06/02808/ADFULL Submitted 4 Apr 2006 50 yards away

    Details of door beneath window and new louvred door pursuant to Condition 8 (iv) and (v) of planning permission dated 20 February 2006 (RN: 05/06936).

    Granted Full applications Windows or glazing 3 docs

  • 6 Stratton Street London W1J 8LD

    06/02623/ADFULL Submitted 4 Apr 2006 50 yards away

    Details of the junction between the mansard and the new pitch (the pitch should be 70 degrees) pursuant to Condition 8 (i) of planning permission dated 20 February 2006 (RN: 05/06936).

    Refused Full applications Loft or dormer 3 docs

In Westminster

  • 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