Owner: Iwona Sielus-Kelvin RIBA Architect.

Architectural and design practice established in 1999. Based in Gerrards Cross, South Bucks, with an office in London, providing architectural & design services in Buckinghamshire (Chiltern, South Bucks, Wycombe & Aylesbury Vale), Hertfordshire (Three Rivers, Dacorum & Watford), Berkshire (Slough, Windsor & Maidenhead), West London (London Borough of Hillingdon) and Surrey.

Our residential design projects include:

design of new houses, extensions to existing houses, refurbishments, loft extensions, interior design and mixed use schemes.

Services offered include:

design and architecture, planning applications, project management, interior design. The services are available individually or collectively as a complete project.

Prior to establishing ISK Architects, Iwona worked for large commercial architectural practices in London on prestigious projects including Richmond Yard Government Offices in Whitehall, Chelsea Harbour residential scheme, and office building for ING Bank

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