343-Apartment Development, Development Area 3, Dublin 18

Application details

Planning reference

DZ26A/0252/WEB

Council

Dun Laoghaire-Rathdown County Council

Proposal description

The proposed development will principally consist of the construction of a residential scheme of 343 No. apartments (26 No. studios, 114 No. 1-bedroom units and 203 No. 2-bedroom units) primarily contained in 8 No. blocks, with a gross floor area of 32,257 sq m (excluding undercroft car park of 4,080 sq m) and heights ranging from 1 No. to 5 No. storeys. The proposed development also includes: upgraded and revised multi-modal junction at Castle Street to access/egress the site and internal street network including a revised temporary bus turning circle (previously permitted under Reg Ref. DZ20A/0399 (amended by Reg. Ref. DZ21A/1069)); pedestrian and cyclist network and connections; a mobility hub (113.8 sq m); 192 No. car parking spaces, of which 158 No. are proposed within the undercroft and 34 No. are proposed externally, on-street; 8 No. motorcycle parking spaces; cycle parking; internal residential amenity space (540.1 sq m); hard and soft landscaping, delivered as public open space, communal amenity space and incidental open space; private amenity space as balconies and terraces facing all directions; boundary treatments; lighting; ESB substations; bulky stores; bin stores; plant; green roofs; rooftop PV Panels, lift overruns and plant; the decommissioning of the temporary attenuation Pond P7 (previously permitted under Reg Ref. DZ20A/0399 (amended by Reg. Ref. DZ21A/1069)); and all other associated site works above and below ground.

Location / address

A site in the townlands of Brennanstown and Laughanstown, Dublin 18. The main development site forms part of ‘Development Area 3

Application type

Permission (SDZ)

Received / registered

31 Mar 2026

Council decision

GRANT PERMISSION

Council decision date

7 Oct 2026