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Kilroot battery is a searchlight emplacement associated with a First World War coastal defence battery at Carrickfergus, County Antrim. Positioned to command the approaches to Belfast Lough, the installation formed part of the extensive defensive network constructed along the Ulster coast during the Great War to protect against enemy naval attack and potential invasion. The searchlight tower would have worked in conjunction with the battery's gun positions to illuminate targets during night-time engagements, a critical element of coastal artillery defence during the conflict.
The structure stands on Mercia Mudstone Group bedrock, a geology of mudstone, sandstone and limestone formations dating to the Rhaetian period, which underlies much of this stretch of the Antrim coast. This stable substrate provided a suitable foundation for the reinforced emplacement, though the proximity to the lough's tidal influence would have presented ongoing maintenance challenges to the structure's integrity.
The battery remains a significant record of wartime military engineering and the strategic importance of Belfast Lough as a naval asset during the First World War. Now under the protection of the Historic Environment Division of the Department for Communities, the site is registered as a monument of historical importance under reference 16588, preserving evidence of this critical period in Northern Ireland's defence history.
Kilroot battery. searchlight emplacement (associated with ww1 coastal battery) is a scheduled monument protected by Department for Communities NI under reference 16588. View the official record →
Kilroot battery is a searchlight emplacement associated with a First World War coastal defence battery at Carrickfergus, County Antrim. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 16588.
Kilroot battery. searchlight emplacement (associated with ww1 coastal battery) 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 16588.
Several scheduled monuments lie within 10 km, including Kilroot battery. ww1 coastal battery (0.2 km), Kilroot battery. searchlight emplacement associated with ww1 coastal battery (0.2 km), Bishop's house. c17th house & bawn (0.7 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Kilroot battery. searchlight emplacement (associated with ww1 coastal battery)'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.
Kilroot battery. searchlight emplacement (associated with ww1 coastal battery) stands on Mercia Mudstone Group, bedrock that formed in the Rhaetian. The rock here is mudstone, sandstone and limestone.