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Planning application

27 South Eaton Place London SW1W 9EL

Granted Westminster 25/05384/FULL Full Planning Permission Application

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

External alterations, erection of a rear extension to lower ground floor level, creation of garden terrace, single storey ground floor closet wing infill extension, internal alterations, replacement window openings, roof lantern and a Juliet balcony to replace existing landing and step access down to garden level and internal works to front vaults, including lowering the floor.

As published by the council, reference 25/05384/FULL

Application record

Reference
25/05384/FULL
Type
Full Planning Permission Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
31 Jul 2025
Validated
17 Sep 2025
Decided
30 Apr 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1W 9EL

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2025: 2 approved, 0 refused.

  • 25/05385/LBC Granted

    27 South Eaton Place London SW1W 9EL

    External alterations, erection of a rear extension to lower ground floor level, creation of garden terrace, single storey ground floor closet wing infill extension, internal alterations, replacement window openings, roof lantern and a Juliet balcony to replace existing landing and step access down to garden level and internal works to front vaults. (Linked to 25/05384/FULL)

    Decided 30 Apr 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 31 Jul 2025

    Received by Westminster

  2. 17 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 30 Apr 2026

    Decision issued: Application Permitted

  4. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 25/05385/LBC Granted

    27 South Eaton Place London SW1W 9EL

    External alterations, erection of a rear extension to lower ground floor level, creation of garden terrace, single storey ground floor closet wing infill extension, internal alterations, replacement window openings, roof lantern and a Juliet balcony to replace existing landing and step access down to garden level and internal works to front vaults. (Linked to 25/05384/FULL)

    Decided 30 Apr 2026 Heritage and listed buildings

Who's behind it

Company information only, from the register and Companies House

DARA Planning Agent, a planning consultancy

41 applications on PlanIndex · across 13 councils · 92% granted

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Documents

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

34 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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Open the documents

What this grant of permission means

Westminster granted permission on 30 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

  • 27 South Eaton Place London SW1W 9EL

    25/05385/LBC Submitted 31 Jul 2025 50 yards away

    External alterations, erection of a rear extension to lower ground floor level, creation of garden terrace, single storey ground floor closet wing infill extension, internal alterations, replacement window openings, roof lantern and a Juliet balcony to replace existing landing and step access down to garden level and internal works to front vaults. (Linked to 25/05384/FULL)

    Granted Heritage and listed buildings Extension Windows or glazing 8 docs
    Small domestic

  • 17 Gerald Road London SW1W 9EH

    25/08893/TCA Submitted 8 Dec 2025 50 yards away

    1 x Bay (T1, rear): Fell

    Granted Trees 7 docs

  • 11 Gerald Road London SW1W 9EH

    22/03392/TPO Submitted 22 May 2022 50 yards away

    1 x London plane (T2): Reduce crown to previous most recent reduction points

    Granted Trees 9 docs

  • 54 South Eaton Place London SW1W 9JJ

    25/08023/ADFULL Submitted 4 Nov 2025 50 yards away

    Detailed drawings showing revised window details, photographic brickwork samples and detailed drawings of the railings pursuant to Conditions 4, 6 and 7 of planning permission dated 19th June 2025 (RN: 25/01733/FULL)

    Granted Full applications Windows or glazing 18 docs

  • 46 South Eaton Place London SW1W 9JJ

    25/05120/ADFULL Submitted 23 Jul 2025 50 yards away

    88% historically approved · decision due ~31 Dec

    Details of Code of Construction Practice pursuant to condition 8 of planning permission dated 11th April 2025 (RN:24/06981/FULL)

    Awaiting decision Full applications 20 docs

  • 54 South Eaton Place London SW1W 9JJ

    26/05333/ADFULL Submitted 6 Aug 2026 50 yards away

    89% historically approved · decision due ~1 Oct

    Details of railings pursuant to condition 7 of planning permission dated 18 June 2025 (RN: 25/01733/FULL)

    Decided

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