SI&Co Ltd
SI&Co Ltd is an architectural practice in London. See its accreditations, specialisms and planning track record.
Active on Companies House
14763465
41100
Architectural Activities
74100
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London, EC1V, England
Planning Application Track Record
3
Applications
1
Local Authorities
Local Authorities
Westminster
Application Types
Change of Use
2
Other
1
Planning Application History (3)
3 of 3 applications have a map location
25/00544/LBC
Internal alterations involving: Replacement of non-historic floor finishes; Removal and replacement of non-historic balustrades; Refurbishment of non-historic bathrooms and kitchen; Reinstatement of historic first floor fireplace in reception room; Widen existing first floor single door to double doors; Infill of first floor door; Alterations to bathrooms to second and third floors.
Maisonette 97 York Street London W1H 4QQ
Withdrawn
Westminster2025-01-2826/00001/FULL
Change of use of the Lower Ground and Ground Floors from Commercial (Class E) to Residential (Class C3), with associated internal alterations. (Linked to 26/00002/LBC)
97 York Street London W1H 4QQ
Permitted
Westminster2026-01-0126/00002/LBC
Change of use of the Lower Ground and Ground Floors from Commercial (Class E) to Residential (Class C3), with associated internal alterations. (Linked to 26/00001/FULL)
97 York Street London W1H 4QQ
Permitted
Westminster2026-01-01