In April 2021 Richardson became head of architecture and Drue Heinz curator at the Royal Academy of Arts. Her most recent exhibitions include John Hejduk: London Masque, Light Lines: the Architectural Photographs of Hélène Binet and What Where: Crossing Boundaries in the Architecture of Sala Beckett.
Richardson was previously head of architecture, design and fashion at the British Council and commissioner of the British Pavilion at Venice Architecture Biennale. Other roles include associate director of London School of Architecture, editor of Blueprint and deputy editor of RIBA Journal.
She is an honorary fellow of RIBA and in 2015 was named by Debretts as one of the 20 most influential people in British architecture.