Amendments to previously permitted development Reg. Ref. D25A/0284/WEB (ACP-322865-25) as…
Saint Helen's, York Road, Dun Laoghaire, Dublin, A96Y838
Proposed development
Amendments to previously permitted development Reg. Ref. D25A/0284/WEB (ACP-322865-25) as follows: (i) Internal and external modifications to Block B comprising: a minor increase in the building footprint (c. 2.3sqm), increasing the GFA from c. 459.2sqm to 467.8sqm; the provision 8 no. apartment units replacing the 2 no. permitted six-bedroom maisonette units; the 8 no. proposed units, with private amenity space in the form of balconies and terraces, comprise 6 no. studio apartments, 1 no. one-bedroom apartment, and 1 no. four bedroom apartment; and associated amendments to the permitted elevations;(ii) Minor modifications to the site layout comprising: the provision of additional private amenity space to new units in the form of terraces at ground floor level; the provision of additional visitor bicycle parking; and associated minor amendments to landscaping. The proposed amendments result in an overall revised unit mix comprising: 2 no. two-storey, three-bedroom detached dwellings (Unit Nos. 1 & 2), 4 no. three-storey, four-bedroom terraced houses (Unit Nos. 3 – 6), 1 no. duplex block comprising 2 no. two-bedroom apartments (Block C), 1 no. two-storey over basement level block (Block B) comprising 6 no. studio apartments, 1 no. one-bedroom apartment and 1 no. four-bedroom apartment, and 1 no. three-storey over basement block (Block A) comprising 1 no. four-bedroom apartment and 1 no. ten-bedroom unit.
What happens next
Permission was granted on 18 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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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
- D26A/0180/WEBSt Helen's, York Road , Dun Laoghaire, Co. Dublin, A96Y838Granted
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- D26A/0016/WEBSaint Helen's, York Road, Dun Laoghaire, Dublin, A96Y838Granted
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Amendments to previously permitted development Reg. Ref. D25A/0284/WEB (ACP-322865-25) as follows…
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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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