Whipps Cross Hospital began life as an annexe to the West Ham Union Workhouse. (OS 1863 Essex Sheet LXXVIII)

A new workhouse infirmary was built with 24 wards separated by a central administration block. (Image: Barts Health NHS Trust Archives, RLHWX/P/2/1)

Redevelopment offers an opportunity to replace an ageing and sprawling estate with a brand new hospital.