Amendments and modifications to the permitted data centre development granted under Reg…
Townlands within Grange Castle South Business Park, Baldonnel, Dublin 22
Proposed development
Amendments and modifications to the permitted data centre development granted under Reg. Ref. SD18A/0134 - ABP Ref. ABP-302813-18 and the temporary substation permission granted under SD19A/0300 to include: Demolition of the two storey dwelling of Weston House; single storey dwelling and outbuildings/stables of Weston Lodge; and the single storey dwelling and converted garage of Kent Cottage. Retention of sprinkler tank and pump house to the south-west of Building A Data Centre; Retention of 40kW(p) PV panels on the roof of Building A Data Centre; Retention of revised size of northern attenuation pond; Retention of ramped access to rear of temporary substation; Retention of revised flue arrangement for Building A Data Centre; Retention of revised position of security fence; and retention and modifications of landscape berm along Baldonnel Road. New works to include: Modifications of permitted vehicular entrance including a new single storey guard house (37sq.m) and two internal entrance gates; Modification to car parking; Modifications of flue arrangement for Building B Data Centre; Modifications to permitted landscape scheme; Removal of roadside entrances; and removal of roadside entrance to Weston House and its replacement with a new agricultural gate and fence. Site of 9.7Ha within Grange Castle South Business Park and residential properties of Weston House, Kent Cottage and Weston Lodge, townlands of Aungierstown and Ballybane; Ballybane; and Milltown, Baldonnel, Dublin 22.
What happens next
Permission was granted on 26 May 2026. Third parties may appeal within four weeks; after that the permission is final and works can start once a commencement notice is lodged.
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About this page: the facts above come from the statutory public planning register kept by South Dublin County Council and are refreshed weekly (last updated 10 Jun 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.
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