Conservation & Development Appraisal Ltd (CoDA) is a multi-discipline Architectural and Engineering practice. CoDA operates as two divisions, CoDA Conservation and CoDA Structures

CoDA Conservation are consulting architects for works to Listed Buildings including, where necessary, elements of development appraisal and masterplanning, structural engineering and for other work of building conservation generally, towards the rehabilitation, restoration and reuse of fine old buildings.

CoDA Structures specialises in consulting structural and civil engineering for commercial, industrial and residential development, encompassing structural surveying, environmental assessment, development appraisal, brownfield site reclamation and ground investigation as well as civil and structural engineering design.