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Moated site in Boybridge Grove, 720m north east of Down Hall Farm

List Entry Summary

This monument is scheduled under the Ancient Monuments and Archaeological Areas Act 1979 as amended as it appears to the Secretary of State to be of national importance. This entry is a copy, the original is held by the Department for Digital, Culture, Media and Sport.

Name: Moated site in Boybridge Grove, 720m north east of Down Hall Farm

List entry Number: 1020910


The monument may lie within the boundary of more than one authority.

County: Cambridgeshire

District: South Cambridgeshire

District Type: District Authority

Parish: Abington Pigotts

National Park: Not applicable to this List entry.

Grade: Not applicable to this List entry.

Date first scheduled: 28-Jan-2003

Date of most recent amendment: Not applicable to this List entry.

Legacy System Information

The contents of this record have been generated from a legacy data system.

Legacy System: RSM

UID: 33596

Asset Groupings

This list entry does not comprise part of an Asset Grouping. Asset Groupings are not part of the official record but are added later for information.

List entry Description

Summary of Monument

Legacy Record - This information may be included in the List Entry Details.

Reasons for Designation

Around 6,000 moated sites are known in England. They consist of wide ditches, often or seasonally water-filled, partly or completely enclosing one or more islands of dry ground on which stood domestic or religious buildings. In some cases the islands were used for horticulture. The majority of moated sites served as prestigious aristocratic and seigneurial residences with the provision of a moat intended as a status symbol rather than a practical military defence. The peak period during which moated sites were built was between about 1250 and 1350 and by far the greatest concentration lies in central and eastern parts of England. However, moated sites were built throughout the medieval period, are widely scattered throughout England and exhibit a high level of diversity in their forms and sizes. They form a significant class of medieval monument and are important for the understanding of the distribution of wealth and status in the countryside. Many examples provide conditions favourable to the survival of organic remains.

The moated site in Boybridge Grove, 720m north east of Down Hall Farm, is a well-preserved example which is largely undisturbed. The island will retain archaeological deposits, including structural remains and artefacts relating to its construction and period of use and to the status and lifestyles of its occupants. The moat will retain, as well as further artefacts, waterlogged organic and environmental deposits. These will provide dietary information and may illustrate the nature of the landscape in which the monument was set.


Legacy Record - This information may be included in the List Entry Details.


The monument includes a medieval moated site situated in Boybridge Grove, 720m north east of Down Hall Farm. The island is roughly trapezoidal in plan, measuring approximately 39m WNW to ESE by a maximum of about 22m NNE to SSW. The remains of a former manor house are thought to survive beneath the present ground surface. The surrounding seasonally wet moat is filled by surface water. It is steep sided and up to about 3m wide, the depth varying between 1m and 2m. Access to the island is thought to have been by a bridge. The moat's eastern arm is adapted from a section of the Cheney Water. The site has been associated with the medieval manor at Grendons. It is thought that the name Boybridge is a corruption of Billboys, the name of the family who held the manor between 1268 and 1316.

MAP EXTRACT The site of the monument is shown on the attached map extract.

Selected Sources

Books and journals
The Victoria History of the County of Hertfordshire: Volume II, (1908)

National Grid Reference: TL 30930 44251


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The above map is for quick reference purposes only and may not be to scale. For a copy of the full scale map, please see the attached PDF - 1020910 .pdf

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This copy shows the entry on 26-Sep-2018 at 07:26:12.

End of official listing