Patients who are eligible for TAVR, as determined by the multi-disciplinary team, will be seen in the out-patient clinic or in-patient area by the Research Nurse Manager or delegated research nurse. Full informed consent will be obtained before any research intervention is undertaken. Functional, independence, frailty and emotional assessment will include 6 minute walk teat, 4m gait speed walk, hand grip strength, questionnaires and cognitive assessment.