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26/02886/LBC

Heritage application at 12 Chester Street London SW1X 7BB, Westminster. View planning documents, track the decision and get email alerts on updates.

Enriching application data
2/3
Council recordsAppealsFlood risk
Pending Decision
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Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new; and alterations to French door width at rear first floor level.

26/02886/LBC

Small
Heritage

12 Chester Street London SW1X 7BB

Submitted1 May
Validated
Consultation
Target
Decided
7 weeks typical decision time in Westminster90% of heritage applications approved

This is a heritage application for a rear extension at 12 Chester Street London SW1X 7BB. Westminster has handled 2,686 applications of this type and approves 90% of them, typically deciding them in 64 days. It was submitted on 1 May 2026 and is still awaiting a decision. The site is in the Belgravia conservation area, with 19 listed buildings nearby. There have been 4 other applications at this address. In the past year there have been 417 applications across Knightsbridge & Belgravia. We hold 636 applications in total for the SW1X postcode area.

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Application Details

Reference
26/02886/LBC
Address
12 Chester Street London SW1X 7BB
Postcode
SW1X 7BB
Local Authority
Westminster
Application Type
Heritage
Scale / Size
Small
Decision Status
Undecided

Applicant & Agent

Planning Application Dates

Date Submitted
1 May 2026

Planning Decision

Publicity

Appeal

Additional Information

Coordinates
51.499428, -0.150185

Source: Westminster