GrantedDecided 19 May 2026Dun Laoghaire Rathdown County Council

D26A/0228/WEB: Alterations and extensions to the existing single storey, three bedroom detached dwelling that will include: Demolition of the two garden sheds and other structures to the rear; Alterations and extensions to the existing single storey, three bedroom detached dwelling to create an extended six bedroom detached dwelling, that presents as being two storey to the front, and three storey to the rear that will be facilitated by the following works: internal alterations to the existing house; removal of the roof; and elevational changes to the front, side and rear of the existing house; an additional storey plus new pitched roof with hipped roof elements, above the existing house; a new two storey, and part three storey rear extension (at lower ground, ground and 1st floor level). The ground floor extension will connect to a terrace that will sit over the lower ground floor extension and will connect via external stairs to the rear garden; Alterations to the front boundary wall that will create a new pedestrian entrance gate and widened vehicular entrance with sliding gate off Deer Park Road with an amended driveway; and All landscaping, boundary treatments, drainage, SuDS and all ancillary works required to facilitate the development.

Rossbeg, 24 Deerpark Road, Mount Merrion, Co Dublin, A94E0P4
DecisionGrant permission
Decided19 May 2026
Application typePermission
Source documents4

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