Planning application
1 South Eaton Place London SW1W 9ES
Works: Windows or glazing
Relates to 26/00989/FULL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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]
As published by the council, reference 26/00876/LBC
Application record
- Reference
- 26/00876/LBC
- Type
- Listed Building Consent Application
- Status
- Pending
- Received
- 12 Feb 2026
- Validated
- 12 Feb 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1W 9ES
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/00989/FULL Awaiting decision
1 South Eaton Place London SW1W 9ES
Excavation to enlarge and lower front vaults and allow for internal connection with main house; replacement of doors to return elevation of front lightwell; creation of a first-floor terrace, inlcuding installation of new door and window; replacement of glazed roof to back addition, and replacement window to rear of back addition; internal alterations. [Linked with 26/00876/LBC]
Timeline
Dates from the published record
-
12 Feb 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 9 April 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 66 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
26/00989/FULL Awaiting decision
1 South Eaton Place London SW1W 9ES
Excavation to enlarge and lower front vaults and allow for internal connection with main house; replacement of doors to return elevation of front lightwell; creation of a first-floor terrace, inlcuding installation of new door and window; replacement of glazed roof to back addition, and replacement window to rear of back addition; internal alterations. [Linked with 26/00876/LBC]
1 later application on the register refers to this one:
-
26/00989/FULL Awaiting decision
1 South Eaton Place London SW1W 9ES
Excavation to enlarge and lower front vaults and allow for internal connection with main house; replacement of doors to return elevation of front lightwell; creation of a first-floor terrace, inlcuding installation of new door and window; replacement of glazed roof to back addition, and replacement window to rear of back addition; internal alterations. [Linked with 26/00876/LBC]
Who's behind it
Company information only, from the register and Companies House
DuCroz architects Agent, an architecture practice
32 applications on PlanIndex · across 3 councils · 100% 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
16 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.
Watch members (£5 a month) open the document list 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 heritage and listed building applications in a median of 94 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
1 South Eaton Place London SW1W 9ES
87% historically approved · decision due ~12 May
Excavation to enlarge and lower front vaults and allow for internal connection with main house; replacement of doors to return elevation of front lightwell; creation of a first-floor terrace, inlcuding installation of new door and window; replacement of glazed roof to back addition, and replacement window to rear of back addition; internal alterations. [Linked with 26/00876/LBC]
Awaiting decision Full applications Windows or glazing 21 docs -
1 - 4 Eaton Mews West London SW1W 9ET
Signed CoCP Appendix A checklist for Construction Phase pursuant to Condition 3(c) of planning permission dated 31 October 2024 (RN 24/00412/FULL)
Granted Full applications 9 docs -
58 Eaton Mews West London SW1W 9ET
T1 Palm tree: Fell to ground and treat stump.
Granted Trees 8 docs -
28 Chester Row London SW1W 9JB
87% historically approved · decision due ~18 May
Installation of staircase within front lightwell and gate within existing railings; replacement of front lightwell paving; replacement of existing lantern lights in roof of existing single storey rear extension with two rooflights; demolition and replacement of existing roof extension with new mansard roof extension; installation of air conditioning condenser unit within acoustic enclosure at front second-floor level; replacement of front entrance door and fanlight; replacement of door to Minera Mews; replacement French doors to front basement lightwell and replacement of all single-glazed timber sash windows with double-glazed timber sash windows.
Awaiting decision Full applications Extension Loft or dormer +2 23 docsSmall domestic -
28 Chester Row London SW1W 9JB
89% historically approved · decision due ~19 Oct
Detailed drawings of new steps in front area lightwell and new rear dormer windows pursuant to Condition 4 (1) and Condition 4 (2) (part) of planning permission dated 12 June 2026 (RN:26/01858/FULL).
Decided Loft or dormer Windows or glazing -
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.
Withdrawn Amendments Loft or dormer Demolition 14 docsSmall domestic
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