26/02370/NMAPlanning Application 26/02370/NMA
Amendment application at 17 Belgrave Square London SW1X 8PG, Westminster. View planning documents, track the decision and get email alerts on updates.
Amendments to planning permission dated 13th December 2019 (RN: 18/01324/FULL) for Demolition of annexe building and replacement with rear extensions to 17 Belgrave Square and excavations to create pool hall extension under garden of 17 Belgrave Square and basement beneath mews property; all in connection with the use of the mews property and 17 Belgrave Square as two single family dwelling houses. Namely to allow proposed reconfiguration and enhancement of the area between the Main House and the Mews, including the erection of a pergola structure, minor alterations to the rear annex openings, and updated rear garden layout.
26/02370/NMA
17 Belgrave Square London SW1X 8PG
This is an application to amend a permission at 17 Belgrave Square London SW1X 8PG. Westminster has handled 604 applications of this type and approves 80% of them, typically deciding them in 40 days. It was submitted on 10 April 2026 and is still awaiting a decision. The site is in the Belgravia conservation area, with 9 listed buildings nearby. There have been 14 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