In the last few weeks, OPW site staff have overseen repairs to the roadway and a new compacted hardcore surface has been applied to the car park
Vehicular access for visitors to Castletown via the M4 access road will reopen on Monday, December 22nd 2025.
The announcement was made by Minister of State Kevin 'Boxer' Moran today.
The reopening of the M4 access road follows the acquisition of the access road and car park by the Office of Public Works (OPW) in November 2025.
In the last few weeks, OPW site staff have overseen repairs to the roadway and a new compacted hardcore surface has been applied to the car park.
Minister Moran said, “I am delighted that we will soon see the re-opening of the M4 access road to Castletown with car parking for visitors. Road repair works have been completed promptly and the wonderful parklands will be open for the enjoyment of many visitors over the Christmas period. I look forward to continuing to work with the local elected representatives, Kildare County Council and the local community in the weeks and months ahead.”
Further works will be carried out in the future in accordance with the overall development plan for the site, with tours of the House due to resume in mid-March, 2026.
It follows last month's news that Castletown had been bought by the State for €11m.

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