Tadworth is a large suburban village in Surrey, England in the south-east of the Epsom Downs, part of the North Downs. It forms part of the Borough of Reigate and Banstead. On a small farm to the north-west, South Tadworth Farm, directly at the top of the westward-facing Langley Vale and south of the Epsom Downs Racecourse, is an Iron Age Banjo en…Tadworth is a large suburban village in Surrey, England in the south-east of the Epsom Downs, part of the North Downs. It forms part of the Borough of Reigate and Banstead. On a small farm to the north-west, South Tadworth Farm, directly at the top of the westward-facing Langley Vale and south of the Epsom Downs Racecourse, is an Iron Age Banjo enclosure, a term used by archaeologists for a distinctive type of prehistoric settlement. They were mostly constructed and used during the Middle Iron Age, although some remained in use up to the time of the Roman Conquest.