Thoughtfully designed interiors for your office or home. Kerwin Interiors specialises in the design, supply and fit out of commercial offices, schools, medical consulting rooms, home offices and residential spaces across Melbourne. Founded by Sarah Thiele in 2017, Kerwin Interiors is a Melbourne based business specialising in interior design services for commercial and home needs. Sarah has 30 years experience in providing comprehensive, end-to-end interior design services.