26/03176/NMAPlanning Application 26/03176/NMA

Amendment application at 57 Eaton Square London SW1W 9BG, Westminster. View planning documents, track the decision and get email alerts on updates.

Enriching application data

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Council recordsAppealsFlood risk

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Amendments to planning permission dated 4th August 2014 (RN:14/04167/FULL) for Amalgamation of 2 x 2 bed flats on lower ground and ground floor levels to create a 3 bed maisonette; installation of an external metal spiral staircase on the rear elevation to access the garden from ground floor level, and alterations to rear windows (site includes Flats 57 and 58a). Namely, to omit previously approved rear steel staircase, minor internal wall alterations.

26/03176/NMA

Small

Amendment

57 Eaton Square London SW1W 9BG

SubmittedSubmitted14 May

ValidatedValidated

ConsultationConsultation

TargetTarget Date

DecidedDecided

7 weeks typical decision time in Westminster80% of amendment applications approved

This is an application to amend a permission at 57 Eaton Square London SW1W 9BG. Westminster has handled 604 applications of this type and approves 80% of them, typically deciding them in 40 days. It was submitted on 14 May 2026 and is still awaiting a decision. The site is in the Belgravia conservation area, with 14 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 417 applications across Knightsbridge & Belgravia. We hold 1,010 applications in total for the SW1W postcode area.