Scheduled MonumentsNorthern IrelandAntrimSub-rectangular enclosure
E.CHRIST. · ENCLOSURE

Sub-rectangular enclosure

Antrim, Northern Ireland
NISMR MonID 4054
Period
E.CHRIST.
Site type
ENCLOSURE
Nation
Northern Ireland
The designation
Reference
NISMR MonID 4054
Authority
DfC Northern Ireland (NISMR)
Grid reference
J2126081790
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © DfC Northern Ireland (NISMR)

Overview

History & significance

Sub-rectangular enclosure (early Christian) is a univallate earthwork monument located in County Antrim, Northern Ireland. The enclosure is defined by a single bank and ditch, arranged in a sub-rectangular plan typical of early Christian settlement sites in Ulster. These monuments generally date from the fifth to eighth centuries and commonly served as the focal points of Christian communities, encompassing domestic structures, craft areas and sacred spaces within their defensive boundaries.

The site is situated upon Palaeogene extrusive rocks—specifically mafic lavas and tuffs formed during volcanic activity in the Paleogene epoch. This geology is characteristic of the Antrim basalt plateau, which underlies much of the surrounding landscape and would have influenced both the construction techniques available to the monument's builders and the settlement patterns of early Christian communities in the region.

The enclosure is protected by the Historic Environment Division of the Department for Communities under monument record 4054. Its sub-rectangular morphology and univallate defence distinguish it from the more elaborate ecclesiastical sites of the period, suggesting it may represent a settlement of secondary importance within the early Christian settlement hierarchy of Antrim.

Sub-rectangular enclosure is a scheduled monument protected by Department for Communities NI under reference 4054. View the official record →

About this monument

Questions & answers

What is Sub-rectangular enclosure?

Sub-rectangular enclosure (early Christian) is a univallate earthwork monument located in County Antrim, Northern Ireland. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 4054.

What period does Sub-rectangular enclosure date from?

Sub-rectangular enclosure dates from the e.christ. period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Sub-rectangular enclosure?

Sub-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 4054.

What other scheduled monuments are near Sub-rectangular enclosure?

Several scheduled monuments lie within 10 km, including Platform rath (part of rath complex) (6.5 km), Souterrain and rath? (part of rath complex) (6.6 km), Donald's mound. mound - burial mound? (7.5 km).

Unlimited access

Everything a full report reveals about Sub-rectangular enclosure

This page is just one thread. A full Aubrey report pulls together 14 strands of Sub-rectangular enclosure's history, each drawn from the record and mapped to the exact spot:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman World
Ireland was never conquered by Rome, so this traces the island's Iron Age kingdoms and its contact with the Roman world.
Historic Records
The 19th-century records of this place: valuations, Ordnance Survey memoirs and topographical accounts.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
First month just £4.99, then £9.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Sub-rectangular enclosure report
Or see a real report first
The ground beneath

The bedrock under Sub-rectangular enclosure

Sub-rectangular enclosure stands on Unnamed Extrusive Rocks, Palaeogene, bedrock that formed in the Paleogene. The rock here is mafic lava and mafic tuff.