25/03133/FULLPlanning Application 25/03133/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.
Alterations to existing level 7 roof extension including new enlarged openings, timber louvres to existing plant area and creation of roof terrace with metal balustrade and planter boxes.
25/03133/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 7 May 2025 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