Today is St Swithun's Day. He was Bishop of Winchester when he died in 862. He wanted to be buried outwith his Cathedral in an unworthy place. His wish was complied with initially, however 15 July 971 his remains were relocated into a shrine inside the Old Minster of Winchester, only to be relocated into the new Winchester Cathedral in 1093.
This statue is on the screen behind the High Altar at Southwark Cathedral. Bishops of Winchester have been associated with the church in the Southwark until 1877 when it was part of the diocese of Winchester.
Wikipedia on St Swithun