Awaiting decisionInfrastructureDecision was due 5 July 2026

St. Edmundsbury Hospital, Lucan Road, Lucan, Co. Dublin

Demolition of a psychiatric ward and construction of a new mental health hospital facility at St. Edmundsbury Hospital.

ACP-324264-26 · South Dublin County Council · Lodged 11 May 2026

Reference: ACP-324264-26
Authority: South Dublin County Council
Register status: In progress
Type: Strategic Infrastructure Application
Received: 11 May 2026

Summary

AI-generated

The Governors of St. Patrick's Hospital are seeking a 10-year permission for a new mental health hospital facility on an 8.10-hectare site. The project includes the demolition of an existing single-storey 52-bed psychiatric ward and the construction of a new single-storey 14-bedroom adolescent mental health facility. The development will also feature public open spaces, walking and cycling facilities, and works to protected structures.

Infrastructurehospitalhealthcareprotected structure

Floor area: 19,252 m²

Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.

Official record

Development description

The governors of st. Patrick's hospital, care of tom phillips + associates, 80 harcourt street, dublin 2, gives notice of its intention to make an application to an coimisiun pleanala for permission for a period of 1 0 no. Years for the development of the new mental health hospital facility and all ancillary site development, site services, utilities and landscaping works ("the proposed development"), all at the c. 8.10 ha site, located at st edmundsbury hospital, lucan road, lucan, co. Dublin, k78 nw63 (protected structures: rps ref. Nos. 003, 008, 012, 013. ) the cumulative area of all proposed new and refurbished buildings is c. 19,251.90 sq m. Associated site development works will include the provision of 8,524 sq m public open space facilities, including public walking and cycling facilities. The proposed development comprises the demolition of an existing single storey 52 no. Bed psychiatric ward (c. 1,633.00 sq m), located to the south-west of st. Edmundsbury house (rps 003), and the construction of a single storey 14 no. Bedroom in-patient adolescent mental health facility (c. 1,857.10 sq m) in its place, with fai;ade remediation where the former building connected to st. Edmundsbury house; the demolition of 1 no. Storey existing shed (c. 17.90 sq m) to the north-west of st. Edmundsbury house and replacement with 1 no. Esb substation unit building (c. 23.60 sq m). The proposed development includes a new 200 no. Bed adult inpatient facility ranging from one to two storeys in height and a total floor area of c. 16,283.20 sq m, with screened plant at roof level. It will be located within the existing walled garden area (rps 012) and will incorporate the historic walls and bell tower structures (rps 013. ) the facility will be arranged as a single continuous block comprising 7 no. In-patient wards. The form of the building will create 10 no. New internal courtyards at ground floor & 2 no. Terraces at first floor (c. 3696.00 sq m in total); with c. 62 lin. M of the north garden wall to be demolished and this stone reincorporated into the proposed hospital structuresthe proposed development also includes for the alteration, refurbishment and conversion of the existing structures within the historic farmyard enclosure (rps 008), including: coach house building (c. 312.95 sq m) to provide a new consultancy suite (c. 599.50 sq m), including c. 71.5 sq m café; alteration, conversion and refurbishment of existing barn (c. 183.65 sq m) to form a maintenance facility building and associated offices (c. 374.00 sq m); the demolition of an existing contemporary shed within the historic farm yard (c. 163.75 sq m) and construction of a new single storey energy centre building (c. 114.50 sq m), within the historic farmyard enclosure. In total, c. 210.80 sq m of structures are required to be demolished within the walled garden and farmyard enclosure areas to facilitate the proposed development. The proposed development also includes the removal and relocation of the existing southern boundary wall to lucan road (c. 190 lin. M) (regional road number ref. R835) set back from the existing boundary to facilitate the future junction improvement works to the lucan road and chapel hill junction. The junction upgrade works do not form part of this application and will be carried out by south dublin county council. The proposed development also comprises the demolition of the existing 2 no. Dean clinic buildings (single storey and single storey with dormer level) at the existing entrance to the site via the lucan road (c. 221.15 sq m and c. 60 sq m respectively) to facilitate the construction of revised access arrangements and widening of the access to the lucan road. The new mental health facility will provide adult and adolescent in-patient service rooms; adult and adolescent day services rooms; patient care services rooms; patient pharmacy; laboratories; staff and patient canteen facilities; consultant and hospital administration accommodation; staff welfare facilities; reconfigured and additional new car and cycle parking facilities (with revised total of 214 no. Car parking spaces, 2 no. Bus parking spaces and 160 no. Secure cycle parking spaces); signage and wayfinding. The proposed development also includes private and secure patient gardens (9,982 sq m); plant and associated tanks; public lighting; all piped infrastructure and ducting and redirection works; tree removal, including tree removal within the proposed liffey valley natural heritage area (pnha
000128); redirection and undergrounding of existing overhead power lines from the lucan east 38kv substation to the existing hospital facility; controlled access barriers; 2 no. Secure cycle parking stores total c. 107.10 sq m; ev charging facilities; 3 no. Attenuation tanks; rainwater harvesting tanks; pvs; suds including extensive green roof provision; boundary treatments, including new boundary treatments and the repair and refurbishment of existing stone boundary walls; waste marshalling compound storage area; changes in level and retaining walls; internal roads and paths, including vehicle set down areas; site clearance works; services provision and related ducting, piping and cabling; and all associated site development and excavation works above and below ground. Upon completion, the mental health facility will cumulatively provide 214 no. Inpatient beds across the campus, including existing and proposed inpatient beds. An environmental impact assessment report has been prepared in respect of the proposed development and accompanies this planning application

Key dates

Timeline

Application received11 May 2026
Decision due5 July 2026

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