Outpatient consultations form a large part of the healthcare of patients at tertiary hospitals, both as a precursor to in-patient treatment and for the management of on-going health conditions or long-term rehabilitation and monitoring after treatment. These outpatient consultations are generally conducted at the hospitals, most often located in large cities. Patients who live outside these cities face extensive travel to attend these consultations, placing a burden on themselves and on their families or carers. An ability of a tertiary hospital to deliver outpatient consultations in a telehealth mode to regional or remote locations closer to the patients’ homes would potentially relieve much of this burden of travel. ¶ ... ¶ In this thesis I use a case-study-based approach to evaluate the development and pilot trial of a broadband telehealth system in a tertiary paediatric context. I use the data from these case studies to explore the way that a human-centred approach can be used to evaluate outpatient telehealth trials at a tertiary level of healthcare. ...