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Planning application

23 Eaton Mews North London SW1X 8AR

Decided Westminster 26/04809/FULL Full applications

Works: Extension Loft or dormer Windows or glazing

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Erection of mansard roof extension; fenestration alterations to both elevations including Juliet balconies to first floor front elevation; new balustrade and fixed rooflight to rear roof terrace and canopy above front entrance.

As published by the council, reference 26/04809/FULL

Application record

Reference
26/04809/FULL
Category
Full applications
Status
Decided
Received
20 Jul 2026
Validated
20 Jul 2026
Ward
Knightsbridge & Belgravia
Postcode
SW1X 8AR

Timeline

Dates from the published record

  1. 20 Jul 2026

    Received by Westminster

  2. 1 Aug 2026

    Added to PlanIndex

  3. 11 Sep 2026

    Status changed to Decided

    Previously Pending.

Documents

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

20 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.

Trade members open them from here.

Open the documents

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 500 metres

  • Basement Flat 58 Eaton Place London SW1X 8AT

    26/00311/LBC Submitted 20 Jan 2026 15m away

    Internal refurbishment and layout alterations

    Granted Heritage and listed buildings 14 docs

  • 56 Eaton Place London SW1X 8AT

    25/08610/FULL Submitted 25 Nov 2025 20m away

    Partial demolition and rebuilding; erection of a roof extension and roof terrace to main roof level; alteration to fenestration, including upgrade to existing windows; installation of new first floor balustrade, rooftop plant equipment, PV panels to Mews building roof, and new garage doors to Mews building; in connection with the amalgamation of the main building into a single dwelling and the conversion of the Mews building into three dwellings (Class C3).

    Granted Full applications Extension Demolition +1 101 docs
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  • 56 Eaton Place London SW1X 8AT

    25/08611/LBC Submitted 25 Nov 2025 20m away

    Partial demolition and rebuilding; erection of a roof extension and roof terrace to main roof level; alteration to fenestration, including upgrade to existing windows; installation of new first floor balustrade, rooftop plant equipment, PV panels to Mews building roof, and new garage doors to Mews building; internal alterations at all levels; in connection with the amalgamation of the main building into a single dwelling and the conversion of the Mews building into three dwellings (Class C3).

    Granted Heritage and listed buildings Extension Demolition +1 93 docs
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  • 60 Eaton Place London SW1X 8AT

    22/05351/ADLBC Submitted 5 Aug 2022 20m away

    Details of new garage doors pursuant to Condition 3 (ii) of listed building permission dated 30th May 2022 (RN:21/08631/LBC) (Linked to 22/05298/ADFULL)

    Granted Conditions 9 docs

  • 60 Eaton Place London SW1X 8AT

    22/05298/ADFULL Submitted 3 Aug 2022 29m away

    Details of new garage doors pursuant to condition 6 (ii) of planning permission dated 30th May 2022 (RN:21/08630/FULL).

    Granted Full applications 9 docs

  • 52 Eaton Place London SW1X 8AL

    25/08219/ADLBC Submitted 6 Nov 2025 33m away

    91% historically approved · decision due ~8 Jan

    Details of the front door pursuant to condition 4 of planning permission dated 25th September 2025 (RN: 25/05108/FULL). Linked to 25/08102/ADFULL.

    Awaiting decision Conditions 4 docs

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