Development at this site of c.1.1 ha at "St Catherine's", and along Castledawson Avenue…
Blackrock Private Hospital, Blackrock Clinic, Rock Road, Blackrock, Dublin, A94E4X7
Proposed development
Planning permission for development at this site of c.1.1 ha at "St Catherine's", and along Castledawson Avenue, and which is located within Blackrock Hospital and Clinic Campus, Rock Road Blackrock, Co. Dublin (A94 E4X7). The proposed development will comprise: 1)Demolition of "St Catherine's" which includes "Ruby Lodge", associated outbuildings, temporary buildings and waste storage and compacting compound (c. 3,296sqm in total). 2)Provision of an up 5 no. storey over double basement new hospital clinical extension measuring c. 31,449 sq.m and which will accommodate a pharmacy, 6 no. operating theatres, 22 no. daycare beds, 44 no. ward en-suite bedrooms, consultants' suites, and all ancillary facilities including plant rooms, waste storage and compacting bays, staff rooms/ offices, circulation space, stores, WC's and reception areas. The following departments will be accommodated within the hospital extension: Radiotherapy, PET CT, Endoscopy, Urology, Outpatients, Cardiology, and Oncology. 3)The proposed hospital extension will be linked to the existing hospital by connecting corridors between the buildings at ground and lower ground floor. 4)181 no. car parking and 124 no. bicycle parking areas will be provided along with goods loading bays. 5)All associated works to enable the development including provision of an ESB Substation (c. 79sqm), VIE Compound (c. 79sqm), new cycle parking building (c. 148sqm), along with all landscaping around the site.
What happens next
The application has been lodged and validated. The council has eight weeks to decide, unless it asks for further information. The council's decision is due by 25 Jun 2026.
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About this page: the facts above come from the statutory public planning register kept by Dun Laoghaire Rathdown County Council and are refreshed weekly (last updated 24 Aug 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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