The Norman Conquest of 1066 did not reach Canterbury in a single dramatic moment. William’s army swung inland after the landing at Pevensey, fought the decisive engagement at Hastings on the fourteenth of October, and marched from there toward London. Canterbury submitted before the army arrived, and the city was taken without resistance. The Normans, pragmatic conquerors and methodical administrators, looked at what they had acquired and immediately began to assess it.
What they found at Canterbury was a city of real ecclesiastical and commercial importance sitting on a landscape that had been organized and reorganized by its inhabitants for the better part of a thousand years. The ancient mound south of the city walls, prominent on the skyline, was exactly the kind of feature that Norman military thinking was trained to recognize: high ground, commanding views, a natural foundation for a fortification.
Shortly after the Conquest, the Normans placed a timber motte-and-bailey castle on the Dane John mound. The form was their standard rapid-response fortification: a wooden tower on an earthen mound (the motte), connected to an enclosed courtyard (the bailey) where soldiers could be quartered and horses stabled. The Dane John mound, already a substantial elevation above the surrounding ground, provided an immediate and serviceable motte without the labor of building one from scratch.
This use of the mound was brief. Within a generation of the Conquest, the Normans had decided that a timber castle improvised from a prehistoric earthwork was not an adequate long-term fortification for a city of Canterbury’s strategic importance. Work began on a proper stone castle to the northwest of the Dane John site, and by around 1123 Canterbury Castle, the stone keep that still stands in fragmentary form on Castle Street, was complete enough to render the Dane John motte redundant. The temporary fortification was abandoned, and the mound returned to the condition it had occupied through the Saxon period: a prominent and puzzling feature of the landscape without any particular current use.
If the Dane John mound saw only a brief Norman interlude, the Cathedral that dominated the skyline above it was being transformed more fundamentally. Lanfranc, the great Norman Archbishop appointed by William, found on his arrival a Saxon cathedral whose architectural ambitions he considered inadequate. He eradicated the existing structure to its foundations and built anew on his own Benedictine plan. In doing so he also reorganized the institutional arrangements of the Cathedral, separating the Archbishop’s residence from the monks’ and creating the two distinct establishments that persisted into the modern era.
Godfrey-Faussett’s 1875 study of Canterbury’s development traced the consequences of Lanfranc’s building program for the city’s street plan. To acquire ground for his palace on the western side of the Cathedral, Lanfranc diverted the old Roman road that had run straight from the Staple Gate to the river, bending it into the winding course that became Palace Street and survives today. Canterbury’s street plan, which bears almost no relationship to the Roman plan beneath it, was shaped decisively by decisions Lanfranc made in the 1070s.
The Domesday survey of 1086, commissioned by William to establish a comprehensive record of landholding across England, provides the earliest systematic documentary evidence for the property arrangements of Norman Canterbury. The survey’s entry for the city includes references to burgesses, to lands held in the city ditch (in fossato civitatis), and to the feudal tenure of various Canterbury properties by the great ecclesiastical institutions and by lay lords.
The Domesday record does not mention the Manor of the Dungeon by name: the manor as a documented property emerges only in the later medieval period, associated with the Chiche family in the reigns of Henry II and his successors. But the Domesday survey established the feudal framework within which that documentation would eventually occur. The manorial system that Domesday captured in its 1086 snapshot was the same system that generated the records of the Chiche family two and three generations later.
The immediate post-Conquest period also saw Canterbury physically enlarged. The western extension of the city walls, incorporating an area of land that had stood in the old bed of the River Stour, was added at this time, together with the Westgate that opened onto it. These additions reflected both the growth of the city’s population and the Normans’ characteristic concern for defensible perimeters.
The area associated with the Manor of the Dungeon remained outside the city walls to the south. The southern portions of the walled city had always been less densely settled than the northern half, and the ground beyond the Worthgate continued to be the kind of open land that an estate like the Dungeon would occupy: close to the city, accessible to its markets and courts, but separated from it by the wall and by the relative quiet of the southern approaches.
The Norman period matters for the manor’s history in a way that extends beyond the brief military use of the mound. It was under Norman and Angevin rule that the English manorial system was systematized into the form that generated the documentary record through which the manor’s history can be traced. The Chiche family’s documented tenure, with its references to aldermanries held in fee and bailiffs of the city, belongs to a world of documented landholding that the Normans created. The motte on the Dane John mound was abandoned within fifty years of the Conquest; the administrative system that the Normans introduced produced records of the site for the five centuries that followed.