GrantedDecided 10 November 2025Dun Laoghaire Rathdown County Council

D25A/0593/WEB: The development will consist of: Alterations to a previously approved development under Reg. Ref. D24A/0260 and amended under Reg. Ref. D24A/0858/WEB which relates to the construction of 7 no. residential units including 4 no. 5-bedroom, three storey dwellings (Unit Nos. 1-4), 1 no. 4-bedroom, three storey dwelling (Unit No. 5) and 1 no. duplex block with a 1-bedroom apartment at ground floor (Unit No. 7) and a 3-bedroom apartment at first and second floor levels (Unit No. 6) together with all associated works including the provision of car parking, bicycle parking, open space and an amended site entrance. The alterations proposed as part of the current application include the following: (a) an increase in the footprint and area of the ground floor level 1-bedroom apartment (Unit No. 7) (increase in internal area by 10.6sq.m); (b) the provision of a larger external private amenity terrace (15.02sq.m) to the rear (south) to serve Unit No. 7 and the provision of a new walkway between this private amenity terrace and the private amenity space to the side (east) serving Unit No.7; (c) omission of the outdoor communal open space area (20.8sq.m) and the provision of an additional area of private garden space at this location to serve Unit No. 6 (3-bedroom apartment). An access stair is provided from the first floor level terrace serving Unit No. 6 to this new ground floor level private amenity space. The rear (southern) balcony associated with Unit No. 6 will also increase slightly in size to 11.5sq.m. (d) Minor amendments to Unit Nos. 1-4 including the replacement of the second floor level balcony railings on the front (northern) elevations with brick balcony surrounds; (e) minor amendments to the rear private amenity garden spaces associated with Unit Nos. 1-5 to improve their operational efficiency, including an increase in the garden area associated with Unit No. 1 with associated alterations to the retaining wall to the west of Unit No. 1 and the reorganisation and reorientation of bin stores and access steps to rear garden spaces of Unit Nos. 1-5. The rear garden space associated with Unit Nos. 3 and 5 will increase slightly in area whilst the rear garden space associated with Unit Nos. 2 and 4 will decrease slightly in area. The overall quantum and mix of residential units proposed remains unchanged. The current proposal also seeks permission for: (f) Amendments to the landscaping proposals on-site including the removal of existing trees adjacent to the south-eastern boundary and their replacement with new trees; and the partial removal of existing hedgerow along the northern site boundary and the provision of additional planting along this boundary. These amendments are necessary to facilitate construction. (g) the provision of a substation adjacent to the northern site boundary; (h) the omission of the previously approved storage unit to the north-east of the site providing visitor cycle parking and bin and cycle storage for Unit Nos. 6 and 7. External space for storage to serve Unit No. 7 is available in the side garden area and to the rear (south) of this unit and bin and bicycle storage for Unit No. 6 is provided within the storage unit located to the immediate north-east of the approved car parking spaces on-site; (i) a new storage shed is proposed to accommodate 4 no. visitor bicycle parking spaces; and (j) all associated works necessary to facilitate the development including drainage, boundary treatments, landscaping and lighting.

Lands at Mount Auburn House, Killiney Hill Road, Killiney, Dublin, A96H728 including Mount Auburn House
DecisionGrant permission
Decided10 November 2025
Application typePermission
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