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Ballymena Rectangular Enclosure is a medieval earthwork situated in County Antrim, Northern Ireland. The monument comprises a substantial rectangular boundary formed by banks and ditches, typical of defensive or administrative enclosures constructed during the medieval period. Such earthworks frequently served as the focal points of local settlement, administration or economic activity, with the perimeter fortification providing both practical and symbolic control over the enclosed space.
The site sits upon Palaeogene extrusive rocks—primarily mafic lavas and tuffs—which form part of the extensive igneous geology underlying much of the Antrim plateau. This volcanic bedrock would have influenced both the construction methods employed and the drainage characteristics of the enclosed ground, shaping how medieval occupants adapted the landscape to their needs.
The enclosure is protected as a scheduled monument by the Historic Environment Division, recognising its archaeological and historical significance. Its rectangular form, characteristic of Anglo-Norman or late medieval fortified sites in Ulster, contributes to understanding the pattern of medieval settlement and land control in the Ballymena area, though the specific dates of construction and use remain to be confirmed through further archaeological investigation.
Rectangular enclosure is a scheduled monument protected by Department for Communities NI under reference 3027. View the official record →
Ballymena Rectangular Enclosure is a medieval earthwork situated in County Antrim, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 3027.
Rectangular enclosure dates from the medieval period, and is classified as a earthwork. It is one of over 32,000 scheduled monuments protected across the UK.
Rectangular enclosure is a Scheduled Ancient Monument, legally protected by DfC Northern Ireland (NISMR) — the body responsible for designating and safeguarding heritage sites in Ni. The official designation reference is 3027.
Several scheduled monuments lie within 10 km, including Motte (7.6 km), Standing stone (8.3 km), Shaw's fort. motte (8.6 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Rectangular enclosure'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.
Rectangular enclosure stands on Unnamed Extrusive Rocks, Palaeogene, bedrock that formed in the Paleogene. The rock here is mafic lava and mafic tuff.