GrantedDecided 07 May 2026Dun Laoghaire Rathdown County Council

D26B/0172/WEB: The development will consist of (a) Demolition works to include (i) the 5.4sqm existing single-storey side extension. (ii) the 6.5sqm existing single-storey outbuilding. (iii) removal of the west section of the existing roof to accommodate a new roof. (iv) removal of the roof to the existing rear extension to accommodate a new roof. (v) partial removal of external and internal walls to accommodate the proposed works. (b) the construction of (i) a 11.9sqm two-storey side extension to the west of the existing dwelling. (ii) a 15sqm single-storey rear extension to the south of the existing dwelling. (iii) a new roof connecting the existing and proposed rear extensions. (c) the extension of the existing roof to the west to cover the existing and proposed side extensions, to include a rooflight to the rear pitch. (d) a full refurbishment of the existing dwelling. (e) all associated site works.

12, The Close, Mount Merrion, Blackrock, Co. Dublin, A94DH57
DecisionGrant permission
Decided07 May 2026
Application typePermission
Source documents3

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