Development Intent
Planning AtlasWestminsterKnightsbridge & BelgraviaApplication
Planning Application

26/01088/LBC

59A Elizabeth Street London SW1W 9PP

Listed BuildingKnightsbridge & Belgravia ward
Submission
20 Feb 2026
Target
18 May 2026
Decision
21 May 2026
Outcome
Refused
Delegated decisionRefused
21 May 2026
Decided by Nikki Mitchell under delegated powers
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Scheme description

Replacement of single-glazed windows on first and second floor of front elevation with new slimline double glazed timber sash windows.

Why it was refused
Reason 1

Your drawings do not include enough details of the age and condition of the existing box frames to demonstrate that they cannot be retained with joinery repairs to accommodate replacement sashes and of existing adjacent historic windows (including visible framing dimensions and framing and glazing bar profiles) for us to assess how your plans would affect the building and the Belgravia Conservation Area. We believe that the work could harm the special interest of the building and could fail to maintain or improve (preserve or enhance) the character and appearance of the conservation area. This would not meet Policies 42 and 45 of the City Plan 2019 - 2040 (January 2026) and the advice set out in our Supplementary Planning Guidance: Repairs and Alterations to Listed Buildings. (X22BD)

Reason 2

Because of detailed design the proposed replacement windows would harm the architectural and historic interest of this grade II listed building. It would also fail to maintain or improve (preserve or enhance) the character and appearance of the Belgravia Conservation Area. This would not meet Policy 42, 44 and 45 of the City Plan 2019 - 2040 (January 2026) and the advice set out in our Supplementary Planning Guidance: Repairs and Alterations to Listed Buildings. (X17EC)

Policies cited
City Plan 42
City Plan 45
City Plan 44
Parties
Timeline
20 Feb 2026
Application submitted
23 Mar 2026
Application validated
21 May 2026
Delegated decision: Refused
Supporting documents · 19
REFUSAL-LISTED BUILDING CONSENT [PE]22 May 2026View ↗
DELEGATED REPORT22 May 2026View ↗
ACK-GENERAL LETTER (G/P/C)16 Apr 2026View ↗
ECNSLT-STD EXT CONSULTEES16 Apr 2026View ↗
1ST INVALID LETTER20 Mar 2026View ↗
RECEIPT OF APPLICATION20 Mar 2026View ↗
APPLICATION SUMMARY SHEET20 Mar 2026View ↗
APPLICATION FORM REDACTED20 Feb 2026View ↗
ATTACHMENT SUMMARY20 Feb 2026View ↗
SITE PLAN AND LOCATION PLAN20 Feb 2026View ↗
PROPOSED SASH WINDOW DETAILS20 Feb 2026View ↗
REASONABLE EXCEPTION STATEMENT20 Feb 2026View ↗
FIRST AND SECOND FLOOR PLANS AS EXISTING20 Feb 2026View ↗
FRONT ELEVATION AS EXISTING20 Feb 2026View ↗
FIRST AND SECOND FLOOR PLANS AS PROPOSED20 Feb 2026View ↗
FRONT ELEVATION AS PROPOSED20 Feb 2026View ↗
HERITAGE, DESIGN AND ACCESS STATEMENT20 Feb 2026View ↗
HERITAGE STATEMENT20 Feb 2026View ↗
PLANNING STATEMENT20 Feb 2026View ↗
View Application Page ↗
Data from the Westminster planning register.
Summary
Reference
26/01088/LBC
Type
Listed Building Consent Application
Applicant
Nebuloni
Submitted
20 Feb 2026
Decision date
21 May 2026
Decision
Refused
Decision route
Delegated (officer)
How long, really
13
wks · this application
Submission → decision · 5 wks over the 8-week target
Public response
Objections
0
In support
0
Total comments
0