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Total Hip Arthroplasty (THA) is a recognised treatment in Australia and internationally for people with disabling, painful hips. THA patients participate in number of models of rehabilitation, including; inpatient, outpatient and domiciliary programmes. To date there is no definitive evidence to support one model over another. Inpatient rehabilitation is far costlier than outpatient or domiciliary programmes. If the cost is to be justified we argue that the functional outcomes from inpatient rehabilitation should be superior to alternative programmes. HIHO 2 aims to compare the functional outcomes of individuals who undergo THA and then receive inpatient rehabilitation plus a home-based programme with individuals who receive a home-based programme alone (standard treatment). Eligible participants are people undergoing a planned, hip replacement, on one side (first time on that side). They must be able to read English and follow instructions for hospital and home-based programmes. Those who are eligible but decline randomisation will be asked to join the observational arm which receives a home-based programme (standard treatment). HO-Group (Home-based) - 2 -5 days after surgery a physiotherapist will instruct the participants on exercises to be preformed, unsupervised at home. The participants will attend group exercise sessions in the local outpatient department. On their first visit, 3 weeks after surgery, they will rehearse exercises to perform at home and receive a personalised instruction booklet. They will attend 1 or 2 sessions to advance the exercises tailored to their individual needs. The participants continue to preform the exercises at home, between group sessions. The last session is at 10 weeks after surgery. HI - Group (Hospital Inpatient followed by home-based) - individuals will be admitted to Braeside Hospital Rehabilitation Ward for 10 days of inpatient multidisciplinary rehabilitation comprising of 2-3 hours of individual and group based exercises per day. After leaving the rehabilitation hospital, these participants will follow the home-based programme as outlined above. The baseline characteristics recorded pre-operatively are ; age, gender, height, weight, other health problems and education level. The main outcome is the distance walked in six minutes, 26 weeks after surgery. Secondary outcomes will be patient reports of function, pain, quality of life, patient preference for and satisfaction with the type of rehabilitation, satisfaction with surgical outcome and their perceived change in distance walked. Measurements will be taken prior to surgery and at 3, 10, 26 and 52 weeks after surgery. Nested studies will examine the minimal important change for the 6MWT and the parameters of a functional mobility tool (IBMAT). The intention is to published these separately to the HIHO 2 study.