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Planning application

5 - 7 King Street St James's London SW1Y 6QS

Granted Westminster 25/06104/CLEUD Certificate of Lawfulness (existing)

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

Proposal

Fifth floor (top floor) used as ClassE (g)(i) offices including meeting rooms, kitchens and toilet facilities.

As published by the council, reference 25/06104/CLEUD

Application record

Reference
25/06104/CLEUD
Type
Certificate of Lawfulness (existing)
Status
Pending
Decision
Granted As published: Granted subject to conditions
Received
27 Aug 2025
Validated
12 Nov 2025
Decided
24 Nov 2025
Ward
St James's
Postcode
SW1Y 6QS

Timeline

Dates from the published record

  1. 27 Aug 2025

    Received by Westminster

  2. 12 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Nov 2025

    Decision issued: Granted subject to conditions

  4. 21 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

12 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 this grant of permission means

Westminster granted permission on 24 November 2025, 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 lawful development applications

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.

Nearby applications

Within 0.3 miles

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    07/06608/ADV Submitted 27 Jul 2007 50 yards away

    Display of 1 x non-illuminated fascia sign above entrance doors on Duke Street elevation.

    Granted Advertising 4 docs

  • 8 King Street St James's London SW1Y 6QT

    07/06607/FULL Submitted 27 Jul 2007 50 yards away

    Replacement and upgrading of existing plant at first, second and third floor levels and within existing internal lightwell. Replacement entry doors on Duke Street elevation.

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  • 8 King Street St James's London SW1Y 6QT

    08/05175/FULL Submitted 17 Jun 2008 50 yards away

    Replacement of existing roof mounted plant equipment within internal lightwell, alterations to roof gantries and associated alterations.

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  • Unit 1 Cunard House 15 Regent Street London SW1Y 4LN

    26/06061/LBC Submitted 4 Sep 2026 50 yards away

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    Display of non-illuminated vinyl wrap at shopfront glass from 1 September until 4th December 2026, measuring 3216mm x 2585mm. (Linked with 26/06062/ADV)

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  • Unit 1 Cunard House 15 Regent Street London SW1Y 4LN

    26/06062/ADV Submitted 4 Sep 2026 50 yards away

    84% historically approved · decision due ~30 Oct

    Display of non-illuminated vinyl wrap at shopfront glass from 1 September until 4th December 2026, measuring 3216mm x 2585mm. (Linked with 26/06061/LBC)

    Awaiting decision Advertising Windows or glazing

  • 44 Duke Street St James's London SW1Y 6DD

    07/00981/FULL Submitted 30 Jan 2007 50 yards away

    Change of use of part first and second floors from office (Class B1) to four studio flats (Class C3) at first and second floor level (Land Use swap with 5-7 King Street).

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In Westminster

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    Received 9 Sep, published by the council 15 Sep 2026 Lawful development
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    Received 7 Sep, published by the council 14 Sep 2026 Lawful development
  • 26/06044/CLOPUD Awaiting decision

    9 Abinger Mews W9 3SP

    Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.

    Received 3 Sep, published by the council 11 Sep 2026 Lawful development
  • 26/06035/CLOPUD Awaiting decision

    30 Ashworth Road W9 1JY

    Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.

    Received 3 Sep, published by the council 11 Sep 2026 Lawful development
  • 26/05871/CLEUD Awaiting decision

    32 Cambridge Street London SW1V 4QH

    Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.

    Received 27 Aug, published by the council 4 Sep 2026 Lawful development