AJ 23.11.23: RetrofitNovembers AJ is devoted to retrofit, and demonstrates a growing commitment to work positively with the buildings that are already around us. We present four building appraisals, including Caruso St John and Bovenbouw Architectures rework of a 1960s Belgian insurance HQ. Back in the UK, we discover how [Y N] Studio has repaired and extended a terrace of workspaces Hackney; visit TDO Architectures courtyard development that employs reuse and retrofit