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Planning application

52 Eaton Place London SW1X 8AL

Granted Westminster 25/05108/FULL Full Planning Permission Application

Works: Extension Windows or glazing

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

Proposal

Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors.

As published by the council, reference 25/05108/FULL

Application record

Reference
25/05108/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
22 Jul 2025
Validated
8 Aug 2025
Decided
25 Sep 2025
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1X 8AL

Site history

Applications at this address on the Westminster register

This site has had 10 applications since 2025: 3 approved, 2 refused.

  • 26/07131/LBC Awaiting decision

    52 Eaton Place London SW1X 8AL

    Replacement of the approved second-floor rear sash window with painted timber French doors. (Linked with 26/05674/NMA)

    Submitted 19 Oct 2026 Heritage and listed buildings
  • 26/05674/NMA Decided

    52 Eaton Place London SW1X 8AL

    Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors, namely to allow replacement of second floor rear full height sash window with set of French doors.

    Submitted 19 Aug 2026 Amendments
  • 26/04272/LBC Awaiting decision

    52 Eaton Place London SW1X 8AL

    Creation of a lobby in the first-floor front room (Amendment to Listed Building Consent dated 25 Sept 2025 RN: 25/05109/LBC)

    Submitted 29 Jun 2026 Heritage and listed buildings
  • 26/03333/LBC Awaiting decision

    52 Eaton Place London SW1X 8AL

    Minor alterations to the previous consented scheme.

    Submitted 20 May 2026 Heritage and listed buildings
  • 26/02230/ADLBC Awaiting decision

    52 Eaton Place London SW1X 8AL

    Detailed elevations and section of the front door and its surrounds, pursuant to condition 4 of Listed Building Consent dated 25th September 2025 (25/05109/LBC)

    Submitted 2 Apr 2026 Conditions
  • 26/01225/LBC Granted

    52 Eaton Place London SW1X 8AL

    Internal alterations at first and second floor levels.

    Decided 16 Apr 2026 Heritage and listed buildings
  • 25/08102/ADFULL Refused

    52 Eaton Place London SW1X 8AL

    Details of the front door pursuant to Condition 4 of planning permission dated 25th September 2025 (RN: 25/05108/FULL).

    Decided 26 Feb 2026 Full applications
  • 25/08219/ADLBC Refused

    52 Eaton Place London SW1X 8AL

    Details of the front door pursuant to Condition 4 of listed building consent dated 25th September 2025 (RN: 25/05109/LBC).

    Decided 26 Feb 2026 Conditions
  • 25/05109/LBC Granted

    52 Eaton Place London SW1X 8AL

    Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors to first floor flat, second floor flat, and the common parts; and, internal alterations to the first floor flat, second floor flat, and common parts.

    Decided 25 Sep 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 22 Jul 2025

    Received by Westminster

  2. 8 Aug 2025

    Validated

    Checked as complete and ready for consideration.

  3. 25 Sep 2025

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

3 later applications on the register refer to this one:

  • 26/05674/NMA Decided

    52 Eaton Place London SW1X 8AL

    Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors, namely to allow replacement of second floor rear full height sash window with set of French doors.

    Submitted 19 Aug 2026 Amendments
  • 25/08102/ADFULL Refused

    52 Eaton Place London SW1X 8AL

    Details of the front door pursuant to Condition 4 of planning permission dated 25th September 2025 (RN: 25/05108/FULL).

    Decided 26 Feb 2026 Full applications
  • 25/08219/ADLBC Refused

    52 Eaton Place London SW1X 8AL

    Details of the front door pursuant to Condition 4 of listed building consent dated 25th September 2025 (RN: 25/05109/LBC).

    Decided 26 Feb 2026 Conditions

Documents

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

41 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 25 September 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 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

  • 52 Eaton Place London SW1X 8AL

    25/05109/LBC Submitted 22 Jul 2025 50 yards away

    Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors to first floor flat, second floor flat, and the common parts; and, internal alterations to the first floor flat, second floor flat, and common parts.

    Granted Heritage and listed buildings Extension Windows or glazing 35 docs

  • 52 Eaton Place London SW1X 8AL

    26/01225/LBC Submitted 26 Feb 2026 50 yards away

    Internal alterations at first and second floor levels.

    Granted Heritage and listed buildings 13 docs

  • 52 Eaton Place London SW1X 8AL

    26/04272/LBC Submitted 29 Jun 2026 50 yards away

    90% historically approved · decision due ~24 Aug

    Creation of a lobby in the first-floor front room (Amendment to Listed Building Consent dated 25 Sept 2025 RN: 25/05109/LBC)

    Awaiting decision Heritage and listed buildings 8 docs

  • 52 Eaton Place London SW1X 8AL

    26/03333/LBC Submitted 20 May 2026 50 yards away

    90% historically approved · decision due ~15 Jul

    Minor alterations to the previous consented scheme.

    Awaiting decision Heritage and listed buildings 9 docs

  • 52 Eaton Place London SW1X 8AL

    25/08219/ADLBC Submitted 6 Nov 2025 50 yards away

    Details of the front door pursuant to Condition 4 of listed building consent dated 25th September 2025 (RN: 25/05109/LBC).

    Refused Conditions 7 docs

  • 46 Eaton Place London SW1X 8AL

    25/04439/FULL Submitted 27 Jun 2025 50 yards away

    Erection of extensions at rear lower-ground, ground, first and second floor levels with roof terrace at rear first floor level; replacement mansard roof and facade alterations to mews building; basement extension; roof terrace, plant enclosure and lift overrun at main roof level. Change of use from embassy to two dwellings (Site includes 20 Eaton Mews North).

    Granted Full applications Extension Loft or dormer 144 docs
    Several homes

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