Planning application
LA07/2026/0171/LBC
The site in question is the Cassey Water Bridge - DfI structure reference number 40279. This is located on the main A2 Killowen Road at approximately postcode BT34 3AH
Proposal
In the summer of 2025, severe weather in the area caused flash flooding to occur in the area of listed DfI owned and maintained structure 40279 at Cassey Water, Rostrevor. During this event extensive damage occurred to the structure, including complete loss of all bedding and invert to arch 1, wash out of wing walling and severe scour damage and undermining of the structure. A decision was taken that emergency works had to be undertaken to stabilise the structure and surrounding area at that time. This works was done under emergency powers with the Roads Order and completed in August. The Department is now in the process of designing and planning the full scheme repairs and to try to respect the structures listed status. The emergency repairs where undertaken at the time in the interest of public safety and structure stabilisation, and we understand that due to its listed status this has to be now be reinstated. We are proposing to reinstate the invert of the bridge at arch 1, with reclaimed materials and like for like replacements. We will also be installing a low flow channel throughout the structure rebuild to allow for fish to pass to spawning areas up stream. We are proposing to rebuild the downstream stone steps/apron that were completely lost in the flooding event. Associated site works will also be required to stabilise a section of undermined retaining wall on the western bank of the river to an adjacent property, likely with structural concrete.
As published by the council, reference LA07/2026/0171/LBC
Timeline
Dates from the published record
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13 Feb 2026
Received by Newry, Mourne and Down
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29 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Newry, Mourne and Down for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About heritage and listed buildings applications
How this application type works
Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.
More on heritage and listed buildings applications in our guide
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