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Planning application

2A Lyall Mews London SW1X 8DJ

Awaiting decision Westminster 26/06136/ADFULL

Works: Loft or dormer Windows or glazing

Relates to 26/01406/FULL

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

detailed drawings showing amended proposals for the first floor front elevation's fenestration (please see Informative 3.), including revised proposed front elevation and first floor plan (at 1:50), and detailed 1:10 elevations and 1:5 and 1:2 sections (through head, jamb, cill, meeting rail and glazing bars) and detailed drawings (at 1:10) and sections (at 1:5) of the replacement garage door, replacement rooflight, any replacement windows other than the first-floor front elevation fenestration, Juliet balconies and associated metalwork and rebuilt front entrance steps pursuant to condition 4 and 5 of planning permission dated 16th April 2026 (RN:26/01406/FULL)

As published by the council, reference 26/06136/ADFULL

Application record

Reference
26/06136/ADFULL
Status
Pending
Received
8 Sep 2026
Validated
8 Sep 2026
Postcode
SW1X 8DJ

Site history

Applications at this address on the Westminster register

This site has had 2 applications since 2026.

  • 26/01406/FULL Awaiting decision

    2A Lyall Mews London SW1X 8DJ

    External alterations including: lowering of window openings at first floor on the front elevation and introduction of Juliet balconies, replacement of garage door, new rooflight, upgrades to the fenestration to front and rear and rebuilding of front entrance steps.

    Submitted 5 Mar 2026 Full applications

Timeline

Dates from the published record

  1. 8 Sep 2026

    Received by Westminster

  2. 15 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 3 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 65 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 26/01406/FULL Awaiting decision

    2A Lyall Mews London SW1X 8DJ

    External alterations including: lowering of window openings at first floor on the front elevation and introduction of Juliet balconies, replacement of garage door, new rooflight, upgrades to the fenestration to front and rear and rebuilding of front entrance steps.

    Submitted 5 Mar 2026 Full applications

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster's median decision took 65 days. More in our guide to how long planning decisions take.

About this record

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles

  • 2A Lyall Mews London SW1X 8DJ

    26/01406/FULL Submitted 5 Mar 2026 50 yards away

    87% historically approved · decision due ~6 May

    External alterations including: lowering of window openings at first floor on the front elevation and introduction of Juliet balconies, replacement of garage door, new rooflight, upgrades to the fenestration to front and rear and rebuilding of front entrance steps.

    Awaiting decision Full applications Loft or dormer Windows or glazing 28 docs

  • Basement And Ground Floor Maisonette 53 Eaton Place London SW1X 8DE

    20/05723/NMA Submitted 11 Sep 2020 50 yards away

    Amendments to planning permission dated 31 July 2019 (RN: 19/02607) for Amalgamation of the lower ground and ground floor flat. Excavation of a single storey basement beneath closet wing and part of rear courtyard. Lowering of the floor in front basement vault. Erection of two storey rear infill extension. Erection of mechanical plant and enclosure in rear courtyard. Alterations to rear elevation including new window openings and replacement windows and works of repair and refurbishment; Namely, minor amendments including repositioning of boiler flue and airbricks on rear ground floor elevation, installation of plant bed within lightwell paving at rear lower ground floor level and installation of green wall on party wall in rear lightwell.

    Granted Amendments Extension Windows or glazing 64 docs
    Small domestic

  • Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE

    26/01352/LBC Submitted 3 Mar 2026 50 yards away

    90% historically approved · decision due ~28 Apr

    Installation of air conditioning system with external condenser at roof level; new roof light; internal alterations and refurbishment works.

    Awaiting decision Heritage and listed buildings Loft or dormer Roofing 13 docs

  • Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE

    26/01351/FULL Submitted 3 Mar 2026 50 yards away

    87% historically approved · decision due ~28 Apr

    Installation of air conditioning condenser unit at roof level and new roof light for maintenance access.

    Awaiting decision Full applications Loft or dormer Roofing 18 docs

  • Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE

    26/03623/ADLBC Submitted 3 Jun 2026 50 yards away

    90% historically approved · decision due ~29 Jul

    Details of new doors pursuant to condition 7 of listed building consent dated 28th April 2026 (RN:26/01352).

    Awaiting decision Conditions 5 docs

  • 59 Eaton Place London SW1X 8DF

    25/08951/FULL Submitted 9 Dec 2025 50 yards away

    Replacement of windows; installation of air conditioning condenser units and acoustic screen at rear lower ground floor level; formation of new door openings at lower ground floor rear elevation; installation of external spiral stair within rear courtyard; and associated external alterations.

    Granted Full applications Windows or glazing 37 docs