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Planning application

1 - 4 Eaton Mews West London SW1W 9ET

Granted Westminster 26/01042/ADFULL Approval of Details (Full PP)

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

Proposal

Signed CoCP Appendix A checklist for Construction Phase pursuant to Condition 3(c) of planning permission dated 31 October 2024 (RN 24/00412/FULL)

As published by the council, reference 26/01042/ADFULL

Application record

Reference
26/01042/ADFULL
Type
Approval of Details (Full PP)
Status
Decided
Decision
Granted As published: Application Permitted
Received
18 Feb 2026
Validated
18 Feb 2026
Decided
16 Mar 2026
Ward
Knightsbridge & Belgravia
Decision by
Delegated Decision
Postcode
SW1W 9ET

Site history

Applications at this address on the Westminster register

This site has had 5 applications since 2025: 1 approved, 0 refused.

  • 26/06289/ADFULL Awaiting decision

    1 - 4 Eaton Mews West London SW1W 9ET

    Detailed drawings and photographic samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 11 of planning permission dated 31st October 2024 (RN: 24/00412/FULL).

    Submitted 14 Sep 2026
  • 26/05877/ADFULL Awaiting decision

    1 - 4 Eaton Mews West London SW1W 9ET

    Details of secured by Design Accrediation pursuant to Condition 25 of planning permission dated 31 October 2024 (RN:24/00412/FULL)

    Submitted 27 Aug 2026
  • 26/05875/ADFULL Awaiting decision

    1 - 4 Eaton Mews West London SW1W 9ET

    Details of a finalised drainage layouts showing all pipe connections, location of all SuDS features and invert / cover levels. Including a plan showing direction of exceedance flows; pursuant to condition 18 (Part a, b) of planning permission dated 31st October 2024 (24/00412/FULL)

    Submitted 27 Aug 2026
  • 25/06027/NMA Withdrawn

    1 - 4 Eaton Mews West London SW1W 9ET

    Amendments to planning permission dated 31st October 2024 (RN:24/00412/FULL) for Redevelopment of 1-4 Eaton Mews West including demolition behind a part retained facade and replacement building comprising ground and first floor with a new part mansard roof level, to provide six residential (Class C3) units, and provision of office (Class E(g)(i)) accommodation. Creation of rear gardens at ground floor level, installation of plant, and other associated works. Namely, the introduction of a new masonry wall to support the existing boundary wall.

    Decided 23 Oct 2025 Amendments

Timeline

Dates from the published record

  1. 18 Feb 2026

    Received by Westminster

  2. 16 Mar 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

DP9 Ltd Agent

Active · incorporated 2004

2,223 applications on PlanIndex · across 37 councils · 98% granted

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

9 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 16 March 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

  • 1 - 4 Eaton Mews West London SW1W 9ET

    25/06027/NMA Submitted 22 Aug 2025 50 yards away

    Amendments to planning permission dated 31st October 2024 (RN:24/00412/FULL) for Redevelopment of 1-4 Eaton Mews West including demolition behind a part retained facade and replacement building comprising ground and first floor with a new part mansard roof level, to provide six residential (Class C3) units, and provision of office (Class E(g)(i)) accommodation. Creation of rear gardens at ground floor level, installation of plant, and other associated works. Namely, the introduction of a new masonry wall to support the existing boundary wall.

    Withdrawn Amendments Loft or dormer Demolition 14 docs
    Small domestic

  • 1 South Eaton Place London SW1W 9ES

    26/00876/LBC Submitted 12 Feb 2026 50 yards away

    90% historically approved · decision due ~9 Apr

    Alterations at basement level, including reconfiguration of existing modern partitions and the upgrading and incorporation of the front pavement vaults into the basement accommodation through floor lowering and internal connection, internal alterations at ground floor level, including a new opening between existing rooms and alterations to the rear outshot at first floor level to provide access to an existing roof area and replacement of modern glazed roof structures [Linked to 26/00989/FULL]

    Awaiting decision Heritage and listed buildings Windows or glazing 16 docs

  • 58 Eaton Mews West London SW1W 9ET

    25/05654/TCA Submitted 12 Aug 2025 50 yards away

    T1 Palm tree: Fell to ground and treat stump.

    Granted Trees 8 docs

  • 1 - 4 Eaton Mews West London SW1W 9ET

    26/06289/ADFULL Submitted 14 Sep 2026 50 yards away

    89% historically approved · decision due ~9 Nov

    Detailed drawings and photographic samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 11 of planning permission dated 31st October 2024 (RN: 24/00412/FULL).

    Awaiting decision Windows or glazing

  • 1 - 4 Eaton Mews West London SW1W 9ET

    26/05877/ADFULL Submitted 27 Aug 2026 50 yards away

    89% historically approved · decision due ~22 Oct

    Details of secured by Design Accrediation pursuant to Condition 25 of planning permission dated 31 October 2024 (RN:24/00412/FULL)

    Awaiting decision

  • 1 - 4 Eaton Mews West London SW1W 9ET

    26/05875/ADFULL Submitted 27 Aug 2026 50 yards away

    89% historically approved · decision due ~22 Oct

    Details of a finalised drainage layouts showing all pipe connections, location of all SuDS features and invert / cover levels. Including a plan showing direction of exceedance flows; pursuant to condition 18 (Part a, b) of planning permission dated 31st October 2024 (24/00412/FULL)

    Awaiting decision 5 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