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South Mimms motte and bailey is a Norman fortification located in Middlesex, England, comprising an earthen mound with an attached bailey that represents a typical defensive structure of the late eleventh or twelfth century. The site exhibits the characteristic military architecture of the immediate post-Conquest period, when such ringwork and motte-and-bailey castles were rapidly constructed across England to consolidate Norman control. The earthworks remain substantially preserved, providing archaeological evidence of early medieval fortification techniques and settlement patterns in the Home Counties. The castle's strategic location within the parish reflects the importance of controlling communication routes and local territory during the formative decades following 1066.
South Mimms motte and bailey castle is a scheduled monument protected by Historic England under reference 1009433. View the official record →
South Mimms motte and bailey is a Norman fortification located in Middlesex, England, comprising an earthen mound with an attached bailey that represents a typical defensive structure of the late eleventh or twelfth century. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1009433.
South Mimms motte and bailey castle is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1009433.
Several scheduled monuments lie within 10 km, including Colney Chapel moated site (5.6 km), Coldharbour Moat (6.2 km), Moated site, Camlet Moat, Moat Wood (7.3 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of South Mimms motte and bailey castle's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
South Mimms motte and bailey castle stands on White Chalk Subgroup, bedrock that formed in the Maastrichtian. The rock here is chalk.