Planning application
116 Eaton Square London SW1W 9AA
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door. (Linked with 26/02578/LBC)
As published by the council, reference 26/02577/FULL
Application record
- Reference
- 26/02577/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 20 Apr 2026
- Validated
- 22 Apr 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1W 9AA
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2025: 2 approved, 0 refused.
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26/02578/LBC Awaiting decision
116 Eaton Square London SW1W 9AA
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door. (Linked with 26/02577/FULL)
-
25/07517/LBC Granted
116 Eaton Square London SW1W 9AA
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door.
-
25/07516/FULL Granted
116 Eaton Square London SW1W 9AA
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door.
Timeline
Dates from the published record
-
20 Apr 2026
Received by Westminster
-
22 Apr 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 17 June 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.
Who's behind it
Company information only, from the register and Companies House
Town Planning Bureau Agent, a planning consultancy
99 applications on PlanIndex · across 11 councils · 80% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
15 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 documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 89 days. More in our guide to how long planning decisions take.
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
-
113 Eaton Square London SW1W 9AA
93% historically approved · decision due ~9 Jun
Amendments to planning permission dated 6th November 2025 (RN 25/06283/FULL) for the External alterations including infill of the rear lightwell at lower ground floor level, addition of rooflights, replacement windows and doors including replacing garage doors and use of the garage as habitable space at 113 Eccleston Mews. NAMELY, Front windows of mews house changed from casement to timber, double glazed sash windows.
Awaiting decision Amendments Extension Loft or dormer +1 7 docs -
113 Eaton Square London SW1W 9AA
Details confirming omission of rendered finish to front elevation, revised rear rooflight, revised window detail, rooflights showing relationship to finished roof pitch and external doors pursuant to condition 4 and 5 of planning permission dated 6th November 2025 (RN:25/06283/FULL).
Granted Full applications Loft or dormer Windows or glazing 16 docs -
113 Eaton Square London SW1W 9AA
Details confirming omission of rendered finish to front elevation, revised rear rooflight, revised window detail, rooflights showing relationship to finished roof pitch and external doors pursuant to condition 4 and 5 of planning permission dated 6th November 2025 (RN: 25/06284/LBC). Linked to 26/00076/ADFULL
Granted Conditions Loft or dormer Windows or glazing 15 docs -
116 Eaton Square London SW1W 9AA
90% historically approved · decision due ~17 Jun
Replacement lightwell stair and balustrade, floor finishes and surface water drainage, undercroft bin store and new service entrance door. (Linked with 26/02577/FULL)
Awaiting decision Heritage and listed buildings 2 docs -
105 Eaton Square London SW1W 9AA
Detailed drawings showing the position of the panelling and chimney piece relative to the party wall and chimney breast in the ground floor rear room (Dining Room) amended so as to relocate the panelling to the perimeter of the room and the chimneypiece to sit against the chimney breast and any fan coil units re-positioned in front of the panelling inside the room, pursuant to Condition 5(b) of Listed Building Consent dated 12 February 2025 (RN 24/05550/LBC).
Granted Conditions 11 docs -
Flat 1 109 Eaton Square London SW1W 9AA
90% historically approved · decision due ~4 Nov
Installation of external AC condenser units and plant within the existing under-pavement vaults to the front of the property at lower ground floor level; internal refurbishment and reconfiguration of the ground and lower ground floors, including rationalisation of internal layouts, replacement of the existing spiral staircase and balustrade/handrail, replacement of internal architectural details and restoration/reinstatement of surviving and/or concealed historical features; and associated works. (Linked with 26/05890/FULL)
Awaiting decision Heritage and listed buildings 1 doc
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26/06295/FULL Awaiting decision
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Installation of a new shopfront.
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26/06297/FULL Awaiting decision
15 Warwick Way London SW1V 1QT
Alterations to rear elevation at basement level comprising repolacement window and installation of double opening door.
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26/06234/FULL Awaiting decision
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Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))
-
26/06249/FULL Awaiting decision
53 Wimpole Street London W1G 8YH
Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)
-
26/03576/FULL Decided
15A Devonshire Terrace London W2 3DW
Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)