Sr Fitness in Birkenhead | Facilities, hours & reviews Sr Fitness is a gym in Birkenhead, offering gym and fitness facilities, strength and cardio training, membership enquiries. Address: Cottage St, Birkenhead CH41 3PFOfficial website Things to do today Things to do tomorrow This weekend Free events Family events Kids activities in Liverpool Live music in Liverpool Live sports in Liverpool Cinemas in Liverpool Gyms in Liverpool All Liverpool events