The aim is to develop a behavioural intervention that can be used by all medical personnel involved in the care of patients being assessed for transplantation, whilst listed for transplantation and post transplantation to improve long-term outcomes. The intervention will be co-developed by clinicians and patients to ensure it is fit for purpose. Healthcare professionals will be trained to target a range of health and lifestyle behaviours using evidence-based behavioural strategies. It is hoped this will lead to improvements in long-term survival by reducing modifiable risk factors for mortality.