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Planning application

Flat 146 4 Whitehall Court London SW1A 2EP

Granted Westminster 26/00525/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

Alterations to sixth-floor flat, including installation of a louvred grille and replacement of casement sash windows to lightwell.

As published by the council, reference 26/00525/FULL

Application record

Reference
26/00525/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
29 Jan 2026
Validated
29 Jan 2026
Decided
10 Apr 2026
Ward
St James's
Decision by
Delegated Decision
Postcode
SW1A 2EP

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • 26/00526/LBC Granted

    Flat 146 4 Whitehall Court London SW1A 2EP

    Alterations to sixth-floor flat, including installation of an internal air-conditioning condenser with a louvred grille to lightwell, replacement of casement sash windows to lightwell, and internal alterations.

    Decided 10 Apr 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 29 Jan 2026

    Received by Westminster

  2. 10 Apr 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Bonnystreet (Town) Planning Limited Agent, a planning consultancy

22 applications on PlanIndex · across 11 councils · 79% granted

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Documents

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

30 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 10 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

  • Flat 146 4 Whitehall Court London SW1A 2EP

    26/00526/LBC Submitted 29 Jan 2026 50 yards away

    Alterations to sixth-floor flat, including installation of an internal air-conditioning condenser with a louvred grille to lightwell, replacement of casement sash windows to lightwell, and internal alterations.

    Granted Heritage and listed buildings Windows or glazing 26 docs

  • Flat 116 4 Whitehall Court London SW1A 2EP

    26/02372/ADLBC Submitted 10 Apr 2026 50 yards away

    89% historically approved · decision due ~5 Jun

    Approval of photos of new fireplace, approval of section drawings of the new floor build up, pursuant to condition 3 and 4 of Listed Building Consent dated 11 February 2026 (RN 25/07778/LBC)

    Awaiting decision Conditions 4 docs

  • Flat 71 3 Whitehall Court London SW1A 2EL

    25/06136/LBC Submitted 28 Aug 2025 50 yards away

    Internal alterations and refurbishment of existing two-bedroom flat to create one-bedroom flat with larger reception room.

    Granted Heritage and listed buildings 21 docs

  • Flat 71 3 Whitehall Court London SW1A 2EL

    25/06139/CLOPUD Submitted 28 Aug 2025 50 yards away

    Alteration and refurbishment of existing two-bedroom flat to create one-bedroom flat.

    Granted Lawful development 7 docs

  • Flat 85 3 Whitehall Court London SW1A 2EL

    26/04398/CLEUD Submitted 2 Jul 2026 50 yards away

    84% historically approved · decision due ~27 Aug

    Confirmation of the lawful implementation of planning permission dated 15 August 2017 (17/03984/FULL and 17/03985/LBC) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.

    Awaiting decision Lawful development 1 doc

  • Flat 63 3 Whitehall Court London SW1A 2EL

    26/01954/LBC Submitted 25 Mar 2026 50 yards away

    90% historically approved · decision due ~20 May

    Internal alterations, including replacement of doors.

    Awaiting decision Heritage and listed buildings 8 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