Seafort Lodge, & Glenalia Castledawson Avenue & parts of Blackrock hospital & Clinic main campus Booterstown, Co Dublin
Demolition of two buildings and construction of three temporary two-storey hospital buildings at Blackrock Clinic.
D25A/0939/WEB · Dun Laoghaire Rathdown County Council · Lodged 5 December 2025
- Reference
- D25A/0939/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Appealed
- Type
- Permission
- Received
- 5 December 2025
Summary
AI-generatedThis application represents the next phase of the Blackrock Clinic redevelopment masterplan. It proposes the demolition of 'Glenalla' and 'Seafort Lodge' to construct three temporary two-storey hospital buildings for a 10-year period, alongside access modifications and associated services.
- Storeys
- 2
- Floor area
- 2,806 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
- Planning permission and temporary planning permission for development at this site of c. 0.2806 ha. The site is bounded by rock road to the north, castledawson avenue to the west and blackrock clinic and hospital to the south and east. The proposed development will represent the next phase of the masterplan for the redevelopment of blackrock clinic and will comprise the following
- Demolition of ‘glenalla’, ‘seafort lodge’ and associated outbuildings and temporary buildings (c. 888sqm in total)
- Provision of 3 no. Two-storey, temporary (for 10 years) hospital buildings (c. 2,806sqm in total), to accommodate existing clinical and support services and personnel relocated from ‘st. Catherines’ within the campus new access from blackrock clinic and modification to the existing vehicular access from seafort lodge to castledawson avenue to enable egress for service vehicles from blackrock clinic and hospital
- All associated works including provision of an lv electrical room, loading bay and car parking
- Minor amendments to granted permission d21a/0627 to accommodate these works
Land-use zoning
What this land is zoned for
“SNI To protect, improve and encourage the provision of sustainable neighbourhood infrastructure.”
National zoning type: Mixed/general community services/facilities uses
Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 11 Marine View, Rock Rd, Blackrocknot full market price | Jun 2025 | €52,203 | 91 m |
| 2 Phoenix Terrace, Blackrock, Dublin | Mar 2025 | €1,300,000 | 112 m |
| 77 Castledawson, Rock Rd, Sion Hill | May 2025 | €883,100 | 125 m |
| 85 Castledawson, Rock Rd, Sion Hill | Jul 2025 | €530,000 | 126 m |
| 97 Castledawson, Sion Hill Rock Rd, Blackrock | Jun 2026 | €980,000 | 159 m |
| 50 Castledawson, Rock Rd, Sion Hill | Jul 2025 | €523,000 | 165 m |
| 67 Rock Rd, Blackrock, Dublin | Mar 2026 | €525,000 | 211 m |
| 4 Castledawson, Rock Rd, Sion Hill | Jan 2026 | €498,000 | 214 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received5 December 2025
- Decision due11 June 2026
- Decision issued11 June 2026
- Appeal submitted3 July 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Permanent use of Glenalla for ancillary hospital use (permission granted per ref. No.D01A/1001 to December…
Glenalla, Castledawson Avenue, Booterstown, Co. Dublin
D06A/1322Dún Laoghaire–RathdownLodged 11 Dec 2006Change of use
- Withdrawn30 m away
Ancillary hospital use (permission granted per Reg. Ref. no. D01A/1001 to December 2006)
Glenalla, Castledawson Avenue/Rock Road, Blackrock, Co. Dublin
D05A/1722Dún Laoghaire–RathdownLodged 23 Dec 2005Change of use
- Granted30 m away
New internal carpark control entry and exit barrier system involving alterations to the existing internal…
Blackrock Hospital,, Rock Road, Blackrock, Co. Dublin.
D03A/0557Dún Laoghaire–RathdownLodged 9 Jun 2003Infrastructure
- Granted40 m away
Two 49 m2 single storey temporary buildings for use as ancillary hospital accommodation for a period of 5…
Glenalla at the corner of Rock Road & Castledawson Avenue, Blackrock, Co. Dublin.
D04A/0035Dún Laoghaire–RathdownLodged 15 Jan 2004Commercial
- Granted40 m away
Retention permission sought for two existing 49 sq.m single storey temporary buildings used as ancillary…
Glenalla, Rock Road, Blackrock, Co. Dublin.
D09A/0429Dún Laoghaire–RathdownLodged 15 Jun 2009Retention
- Granted40 m away
Temporary Retention Permission for development for a period of 3 years. The application seeks temporary…
Site of c. 0.076 hectares, Blackrock Hospital, Rock Road, Blackrock, Co. Dublin. This is a corner site which fronts onto Castledawson Avenue and Rock Road
D19A/0985Dún Laoghaire–RathdownLodged 17 Dec 2019Retention
- Granted40 m away
Temporary retention permission for development on a site of c.0.076 hectares for a period of 3 years at…
Blackrock Hospital, Rock Road, Blackrock, Co Dublin
D23A/0515Dún Laoghaire–RathdownLodged 11 Dec 2023Retention
- Granted40 m away
Retention permission for development on a site of c. 0.076 hectares for a period of 3 years for 2 No. 49 sq.m…
Lands at Glenalla, Rock Road, Blackrock, Co. Dublin
D12A/0365Dún Laoghaire–RathdownLodged 17 Sept 2012Retention
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Awaiting decisionCommercial
Planning permission for development at this site of c.1.1 ha at “St Catherine’s”, and along Castledawson…
Blackrock Private Hospital, Blackrock Clinic, Rock Road, Blackrock, Dublin, A94E4X7
D26A/0334/WEBDún Laoghaire–RathdownLodged 29 Apr 2026
- GrantedRetention
Temporary retention permission for development on a site of c.0.076 hectares for a period of 3 years at…
Blackrock Hospital, Rock Road, Blackrock, Co Dublin
D23A/0515Dún Laoghaire–RathdownLodged 11 Dec 2023
- RefusedInfrastructure
Permission for development. The development will consist of The relocation of the existing main vehicular…
Site of 0.928805ha Blackrock Hospital, Rock Road, Blackrock, Co. Dublin.
D21A/0627Dún Laoghaire–RathdownLodged 11 Jan 2022
- GrantedRetention
Permission is sought for development on a site of c.0.15 hectares at Blackrock Clinic. The site is bounded to…
Lands at Blackrock Clinic, Rock Road, Blackrock, Co. Dublin
D12A/0258Dún Laoghaire–RathdownLodged 10 Jul 2012
- GrantedCommercial
For development on this site of c.0.026 hectares at Blackrock Clinic. This application is being made…
Blackrock Clinic, Rock Road, Blackrock, Co. Dublin.
D07A/1696Dún Laoghaire–RathdownLodged 12 Dec 2007
- GrantedCommercial
Permission sought for development on a site of c. 0.247Ha at main location. This application is being made…
Blackrock Clinic, Rock Road, Blackrock, Co. Dublin.
D07A/0360Dún Laoghaire–RathdownLodged 16 Mar 2007
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