cs:westminster:26/05166/FULLPlanning Application cs:westminster:26/05166/FULL
Full application at Byron House 7 - 9 St James's Street London SW1A 1EE, Westminster. View planning documents, track the decision and get email alerts on updates.
Variation of conditions 4 and 5 of planning permission dated 16 June 2025 (RN: 25/03133/FULL) for the: Remodelling of existing seventh floor roof extension including enlarged window openings, timber louvres to existing plant area and creation of roof terrace with metal balustrade and planter boxes. NAMELY, to allow extending the hours of operation; making it available for third party use; and allowing for the playing of music.
26/05166/FULL
Byron House 7 - 9 St James's Street London SW1A 1EE
This is a full planning application for an extension at Byron House 7 - 9 St James's Street London SW1A 1EE. Westminster has handled 4,496 applications of this type and approves 84% of them, typically deciding them in 73 days. It was submitted on 31 July 2026 and is still awaiting a decision. The site is in the St James's conservation area, with 20 listed buildings nearby. There has been 1 other application at this address. In the past year there have been 594 applications across St James's. We hold 1,027 applications in total for the SW1A postcode area.
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Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Westminster