12, Sandymount Castle Drive, Sandymount, Dublin 4
APPLICATION DECLARED INVALIDPlanning application WEB2501/26
Dublin - Dublin City Council
Proposed Development
The development will consist of the renovation and remodeling on an existing two-storey end of terrace house, the construction of a new single storey bay window to the front elevation and a new two-storey extension to the rear and the widening of the existing vehicular entrance.
Application Timeline
Application received
17 Jun 2026
Decision: APPLICATION DECLARED INVALID
18 Jun 2026
Decision due
11 Aug 2026
Application Details
- Location
- 12, Sandymount Castle Drive, Sandymount, Dublin 4
- Applicant
- N/A
- Application Type
- Permission
- Planning Authority
- Dublin City Council
- Site Area
- 308.97 ha
Timeline
- Registration Date
- 17 June 2026
- Status
- Decision Notice Issued
- Decision
- APPLICATION DECLARED INVALID
- Decision Date
- 18 June 2026
Location
Planning Applications Nearby
What the council has granted and refused around this site is the best guide to how a similar application will fare.
The development will consist of the renovation and remodeling on an existing two-storey end of terrace house, the construction of a new single storey bay window to the front elevation and a new two-storey extension to the rear and the widening of the existing vehicular entrance.
12, Sandymount Castle Drive, Sandymount, Dublin 4, D04 E624
RETENTION: The developments that require retention consist of a) the conversion the side garage to a bedroom b) a flat-roofed extension at ground floor level to the rear and c) a small flat-roofed bathroom extension at first floor level also to the rear, all to an existing two-storey terraced dwelling.
8, Sandymount Castle Drive, Sandymount, Dublin 4
RETENTION: Apply for retention of permission for development at this site, 8 Sandymount Castle Drive, Sandymount, Dublin 4. The developments that require retention consist of a) the conversion the side garage to a bedroom b) a flat-roofed extension at ground floor level to the rear and c) a small flat-roofed bathroom extension at first floor level also to the rear, all to an existing two-storey terraced dwelling.
8, Sandymount Castle Drive, Sandymount, Dublin 4
Development will consist of attic conversion to a bedroom & ensuite with dormer window to rear pitch roof of a semi-detached dwelling with 2no. rooflights and a new staircase to attic.
3, Sandymount Castle Park, Dublin 4
Works include the construction of single storey extensions to the house; to the rear, area 27 sq.m, with rooflight, to the side of the house at the rear, area 7 sq.m with rooflight and to the front, area 1 sq.m The conversion of the garage to a habitable room and the fitting of a new insulated roof finish and rooflight there. The conversion also of the attic level to a habitable room and the construction of a dormer roof extension to the rear main roof. Also modifications to the front, side and rear of the house to include the following: The application of an external insulation system to all external wall areas. The replacement of all windows with the modification of the size of 2 existing window opes to the side and 1 existing window ope to the rear. The fitting of a new rooflight to the rear of the main roof and a new window to the rear wall of the house. The removal of one chimney and the demolition of a shed to rear. The removal of the existing porch screen and garage door and the fitting of a new glazed screen with entrance door and canopy there. Associated site works and hard landscaping works also included.
4, Sandymount Castle Park, Dublin 4, D04 HF24
The development consists of the retention of the following modifications to application no. 3510/20: (1) A larger dormer roof extension. (2) The construction of a new, electrical meter structure to front garden. (3) Minor alterations/modifications to the converted garage and side/rear extensions including modified window and door sizes, alteration to the roof, and altered materials. (4) The construction of a rear, garden shed, area 10m2.
4, Sandymount Castle Park, Dublin 4 D04 HP24
The development will consist of the demolition of the garage and single storey extension to the side of the existing two storey semi-detached dwelling. The construction of a new two storey extension to the side and front, with hipped roofs and roof light to the side. Part two storey, part single storey extension to the rear with roof lights. Alterations to the front entrance door and new canopy over. Roof lights to the rear of the existing main roof. Full renovation and internal alterations of the existing house. Enlargement of the vehicular entrance off Sandymount Castle Road and new pillar to match existing. Associated site works.
9, Sandymount Castle Road, Sandymount, Dublin 4
The development will consist of: 1) The conversion of the existing attached garage to living accommodation, 2) Construction of a single storey extension to the front of the existing dwelling, 3) Internal and external alterations, 4) Increase existing vehicular entrance width, and 5) All ancillary site development works.
15, Sandymount Castle Park, Dublin 4, D04 XR23
1) Construction of a new single storey porch extension and a single storey garage conversion to front and side 2) Lowering of cill to existing front reception window 3) Construction of a single storey extension and dormer extension to rear 4) Increase of existing vehicular entrance width to 3.6M 5) 2 new rooflights to front, all together with associated site and landscape works.
16, Sandymount Castle Park, Sandymount, Dublin 4
1/ Construction of a new single storey porch extension and 2 storey extension to front and side 2/ Lowering of cill to existing front reception window 3/ Construction of a single storey extension and dormer extension to rear 4/ Increase of existing vehicular entrance width to 3.6M 5/ New rooflight to front all together with associated site and landscape works.
16, Sandymount Castle Park, Sandymount, Dublin 4
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