Westminster
Westminster/26/02370/NMA
17 Belgrave Square London SW1X 8PG
- Reference
- Westminster/26/02370/NMA
- Authority
- Westminster
- Application type
- Non-material amendment
- Address
- 17 Belgrave Square London SW1X 8PG
- Postcode
- SW1X 8PG
- Status
- Decided
- Decision
- Application Refused
- Received
- 10 Apr 2026
- Validated
- 10 Apr 2026
- Started
- 10 Apr 2026
- Decided
- 7 May 2026
- Source council
- Westminster
- Council source record
- View public record
- Public data licence
- Open Government Licence v3.0
- Record updated
- 1 Aug 2026
- SEO index generated
- 2 Aug 2026
Location
Approximate location
Proposal
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 of the area between the Main House and the Mews, including the omission of the rear garden conservatory, erection of a pergola structure, alterations to the rear annex openings, and updated rear garden layout.
Key dates
- Received 10 Apr 2026
- Validated 10 Apr 2026
- Started 10 Apr 2026
- Decided 7 May 2026
Planning history / related applications
No related planning applications have been identified in the current public OGL dataset.
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Source: public planning application data from Westminster, reused under the Open Government Licence v3.0. View the council source record. Council documents and drawings are not republished on plotEdge.