A ceremonial sod cutting has signalled the launch of a £1 million conservation project to restore Northern Ireland's only World War II RAF 'Trainer Dome' at Aghanloo, with the historic structure set to be reborn as a multi-use community venue by autumn 2026.

The rare Dome, one of just six of its kind across the UK, sits within the former RAF Limavady base and was integral to training efforts that supported the Battle of the Atlantic during the Second World War.

Once completed, the renewed facility will use immersive projection to share the story of Lough Foyle and the North-West through both World Wars, and will contribute to the emerging Atlantic Defence Trail, which is enhancing access to defence heritage sites along Northern Ireland's coastline.

Mayor of Causeway Coast and Glens, Councillor Oliver McMullan, said: "Council is delighted to see work beginning on the World War II RAF 'Trainer Dome' project in Aghanloo.

"The site has played an important role in the island's history, and this work will not only preserve the building, but also recognise the contribution and sacrifice made by many local people during World War II.

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"Future plans for the site, which include a multi-purpose community event space, will be beneficial for the entire community and a welcome addition for many generations to come."

Project partners and funders have also welcomed the milestone. Works are being carefully phased to protect the long-term integrity of the scheduled monument while creating a safe, engaging environment for visitors.

Dr Paul Mullan, Northern Ireland Director at The National Lottery Heritage Fund, said: "We are so pleased to see the development of this unique defence heritage project as part of our commitment to the delivery of the Binevenagh and Coastal Lowlands Landscape Partnership. The conservation of the Second World War Training Dome is a flagship project which offers both visitors and local people the opportunity to learn more about the history and heritage of the landscape.

"We are looking forward to seeing the works progress and the exciting ways that this space will engage people. Thanks to National Lottery players we are able to support the training dome project which will provide a sustainable future for this important monument."

Contractor Devity Contract Service's Sean Warnock outlined the next stages of work at the site: "Over the coming months, works will progress to include access improvements, drainage and service installations, alongside the conservation and refurbishment of the Dome structure itself. This will involve specialist structural steelwork, installation of a new tensile fabric covering, and associated internal and external repairs, all carried out in line with the requirements of a scheduled monument.

"We are proud to be delivering this project in close collaboration with the design team and stakeholders, with a strong emphasis on safety, heritage sensitivity and quality, as we help secure the long-term future of this unique structure for the local community."

The scheme is funded by The National Lottery Heritage Fund with support from National Lottery players, Causeway Coast & Glens Heritage Trust, and Causeway Coast & Glens Borough Council, and crowns a seven-year programme of engagement with local communities and heritage specialists.