Westminster
Westminster/26/00555/NMA
23 Grafton Street London W1S 4EY
- Reference
- Westminster/26/00555/NMA
- Authority
- Westminster
- Application type
- Non-material amendment
- Address
- 23 Grafton Street London W1S 4EY
- Postcode
- W1S 4EY
- Status
- Decided
- Decision
- Application Permitted
- Received
- 30 Jan 2026
- Validated
- 30 Jan 2026
- Started
- 30 Jan 2026
- Decided
- 21 Apr 2026
- Source council
- Westminster
- Council source record
- View public record
- Public data licence
- Open Government Licence v3.0
- Record updated
- 18 Jul 2026
- SEO index generated
- 24 Jul 2026
Location
Approximate location - Contains OS data © Crown copyright and database right
Proposal
Amendments to planning permission dated 17 June 2025 (RN: 25/01604/FULL) for Phased development including replacement of rear basement roof slab and creation of a rear extension at ground floor. Removal of rear ground floor toilet block and external fire escape stairs. Demolition of existing, altered mansard roof and construction of a new mansard roof with dormer windows and concealed plant enclosure. Extension of existing lift to serve fourth floor. Replacement of third floor rear windows with double glazed sash windows. Minor internal reconfigurations. Continued use of ground floor as retail (Use Class E(a)) and basement, first, second, third and fourth as office (Use Class E(g)). NAMELY, to retain ground floor rear door, retain existing floor slab and rear void, retain ground-floor landing stairs in existing arrangement, and amendment of Condition 11 to require details of waste and recycling to be submitted for approval prior to occupation.
Key dates
- Received 30 Jan 2026
- Validated 30 Jan 2026
- Started 30 Jan 2026
- Decided 21 Apr 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.