Planning application
18 Belgrave Mews West London SW1X 8PX
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Repainting and stucco render repair to front façade of 18 Belgrave Square, installation of replacement EWI render system of rear elevation (18 Belgrave Mews West) and courtyard facing elevations, replacement of external venetian blinds and installation of powder coated aluminium over cills to existing concrete cills (site includes 18 Belgrave Mews)
As published by the council, reference 26/01147/LBC
Application record
- Reference
- 26/01147/LBC
- Type
- Listed Building Consent Application
- Status
- Pending
- Received
- 24 Feb 2026
- Validated
- 8 Apr 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1X 8PX
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2026.
-
26/05512/ADLBC Decided
18 Belgrave Mews West London SW1X 8PX
Details of before and after photos of trial panel/s of the proposed masonry cleaning method/s pursuant to condition 3 of listed building consent dated 05 June 2026 (RN: 26/01147/LBC).
-
26/04375/ADLBC Decided
18 Belgrave Mews West London SW1X 8PX
Details of a revised front elevation of 18 Belgrave Square showing the locations for the scaffold fixings pursuant to condition 5 Listed Building consent dated 5th June 2026 (RN:26/01147/LBC).
Timeline
Dates from the published record
-
24 Feb 2026
Received by Westminster
-
8 Apr 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 3 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 64 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
2 later applications on the register refer to this one:
-
26/05512/ADLBC Decided
18 Belgrave Mews West London SW1X 8PX
Details of before and after photos of trial panel/s of the proposed masonry cleaning method/s pursuant to condition 3 of listed building consent dated 05 June 2026 (RN: 26/01147/LBC).
-
26/04375/ADLBC Decided
18 Belgrave Mews West London SW1X 8PX
Details of a revised front elevation of 18 Belgrave Square showing the locations for the scaffold fixings pursuant to condition 5 Listed Building consent dated 5th June 2026 (RN:26/01147/LBC).
Who's behind it
Company information only, from the register and Companies House
Nick Baker Architects Agent, an architecture practice registered in Heathfield
Active · incorporated 2010 · Heathfield
3 applications on PlanIndex · across 2 councils
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
19 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 heritage and listed building applications in a median of 93 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 500 metres
-
17 Belgrave Square London SW1X 8PG
87% historically approved · decision due ~10 Jul
Reconfiguration and alteration of the area between the main building and the Mews, including the erection of a pergola structure, alterations to the rear annex openings, updated rear garden layout.
Awaiting decision Full applications 51 docs -
17 Belgrave Square London SW1X 8PG
90% historically approved · decision due ~3 Jul
Removal of Condition 10 of listed building consent dated 18th August 2025 (RN:25/03417/LBC) for: Replacement and erection of five air condenser units within acoustic enclosure on main roof of 17 Belgrave Square, two new air condenser units within two separate enclosures on rear ground floor terrace to 17 Belgrave Mews West and internal air conditioning units. Internal and external alterations, including alteration to conservatory, internal layout changes, installation of underfloor heating system, and removal and replacement of floorboards, doors and MEP services namely, to remove the requirement to carry out a paint analysis of the principal rooms.
Awaiting decision Heritage and listed buildings Extension 6 docs -
17 Belgrave Square London SW1X 8PG
91% historically approved · decision due ~24 Jul
Detailed drawing of floor build-up of the underfloor heating system; pursuant to condition 12 of Listed building consent dated 30th May 2025 (RN 25/02106/LBC)
Awaiting decision Conditions 3 docs -
17 Belgrave Square London SW1X 8PG
Part refurbishment, part replacement, of the existing windows on all elevations of the building at 17 Belgrave Square and adjacent mews at 17 Belgrave Mews West. (Linked with 25/06936/LBC)
Granted Full applications Windows or glazing 153 docs -
17 Belgrave Square London SW1X 8PG
Part refurbishment, part replacement, of the existing windows on all elevations of the building at 17 Belgrave Square and adjacent mews at 17 Belgrave Mews West. (Linked with 25/06935/FULL)
Granted Heritage and listed buildings Windows or glazing 153 docs -
17 Belgrave Square London SW1X 8PG
87% historically approved · decision due ~3 Jul
Detailed drawings showing the roof top acoustic enclosure shall be painted light grey pursuant to condition 6 of planning permission dated 18th August 2025 (RN:25/03416/FULL)
Awaiting decision Full applications 10 docs
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