26/00644/NMAPlanning Application 26/00644/NMA

Amendment application at 1 - 3 Belgrave Mews South London SW1X 8BT, Westminster. View planning documents, track the decision and get email alerts on updates.

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Amendments to planning permission dated 27 August 2024 (RN:24/03215/FULL) for demolition behind retained front facade and construction of replacement house including replacement rear extension and terrace at lower height with new shallow balcony at second floor level; replacement of the fenestration and the roof of the existing mansard to include inset PV panels and an enclosed plant deck; and reposition front door with shallower porch. namely, amendment to front door and garage door to the front elevation at ground floor level.

26/00644/NMA

Small

Amendment

1 - 3 Belgrave Mews South London SW1X 8BT

SubmittedSubmitted4 Feb

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 1 - 3 Belgrave Mews South London SW1X 8BT. Westminster has handled 604 applications of this type and approves 80% of them, typically deciding them in 40 days. It was submitted on 4 February 2026 and is still awaiting a decision. The site is in the Belgravia conservation area, with 4 listed buildings nearby. There has been 1 other application 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.