Arup is a global built environment consultancy working across engineering, design, planning and advisory services. Its retrofit work helps local authorities, housing providers, developers and building owners understand how existing buildings can be improved, adapted and made fit for a changing climate.


Helping organisations understand building stock, priorities and delivery routes
Connecting retrofit with wider work on resilience, infrastructure and local places
Bringing engineering and design knowledge into complex retrofit challenges
Supporting conversations on what needs to change for retrofit to work at scale

Arup works across buildings, infrastructure, and policy, giving it a broad view of the conditions needed for retrofits to succeed.
Its support helps connect technical delivery with wider questions about resilience, health, carbon reduction, and long-term value.