Kate Otten Architects (KOA) is a Johannesburg-based practice with over 30 years’ experience. We have completed over 160 built projects that vary in scale and type and include new builds, alterations and heritage projects. The work has been widely published and has won numerous local and international awards. Our in-house service offering includes feasibility & fundraising support, heritage consultation, interior design, procurement & installation and landscape design. The buildings are cost-ef