Saffron Walden Cestreforda to the north. After the Norman invasion of 1066, a stone church was built. Walden Castle, dating from about 1140, may have been built on pre-existing fortifications. A priory, Walden Abbey, was founded under the patronage of Geoffrey de Mandeville, first Earl of Essex about 1136, on the site of what is now Audley End village. The abbey was separated from Walden by Holywell Field. After the dissolution of the monasteries, Sir Thomas Audley converted its cloisters into a dwelling. Later this became the site of Audley End House. The market was moved from nearby Newport to Saffron Walden
Saffron Walden during de Mandeville's tenure, increasing the town's influence. This Tuesday market was held from 1295. The town’s first charter was granted in about 1300, to what was known then as "Chepyng" (i. e. Market) Walden. The town at that time was largely confined to the castle's outer bailey, but in the 13th century the Battle or Repel Ditches were built or extended to enclose a larger area to the south. The focus of the town moved southwards to Market Square. The main trading item in medieval times was wool, and a guild hall was built by the wool-staplers in the