Cathy is a practicing architect, previously an Associate at muf architecture/art and a Founding Partner at Riches Hawley Mikhail.

Throughout her career Cathy has combined practice with academia at institutions including the Cass, the Architectural Association and the University of Kingston.  

Riches Hawley Mikhail were four times Housing Design Award Winners, BD Housing architect of the Year 2009 and their Clay Field project won an RIBA Award and was mid-listed for the Stirling Prize. Goldsmith Street, a social housing development in Norwich, has been awarded the 2019 Stirling Prize.

Cathy has been the recipient of the RIBA Rome Scholarship in Architecture and subsequently a member of the British School at Rome Fine Arts Steering Committee. Currently External Examiner for MA Cities and Innovation at Central St Martins and BA Architecture at the CASS, she is a registered Architect and a member of the RIBA, as well as a Senior Fellow of the Higher Education Academy.