cs:westminster:26/04409/FULLPlanning Application cs:westminster:26/04409/FULL
Full application at 17 William Mews London SW1X 9HF, Westminster. View planning documents, track the decision and get email alerts on updates.
Variation of Condition 1 of planning permission dated 12 June 2025 (RN: 24/07507/FULL) for the erection of a roof extension and alterations to existing front elevation and fenestration; excavation of a new basement below part existing dwellinghouse; Namely, amendments to the ground floor windows.
26/04409/FULL
17 William Mews London SW1X 9HF
This is a full planning application for a new dwelling at 17 William Mews London SW1X 9HF. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 3 July 2026 and is still awaiting a decision. The site is in 3 listed buildings nearby. There have been 2 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
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster