Obviously the Irish Airports Authority haven't heard of aerodrome safeguarding.
Any lighting display such as this would be subject to planning permission in the UK.
Every Airport in the UK is responsible for their own safeguarding plan and notifying the local authority of that plan.
Therafter, any proposed development within the 25nm radius of the airport which exceeds a specified dimension or height, has to be notified to the airport safeguarding officer, for assessment upon the airport.