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2 Mount Alton Court, Knocklyon, Dublin 16, D16 HW83

May 12 2026

Application Received

Jul 06 2026

Decision

Jul 08 2026

Decision Due

Submitted: 12 / 05 / 2026
South Dublin County Council
Application Type:
Retention
Application Status:
Decision
Council Decision:
Grant Permission for Retention (Unknown)

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Development Description:

The development consists of re-location and enlargement of ground floor window to eastern side elevation of dwelling-house.

Nearby Applications:

Distance:	Received:	Decision:	Development Address:	Development Description:
250m	22/06/2026	N/A	18 Idrone Park, Knocklyon, Dublin 16, D16 PX88	Construction of a 32sq.m ground floor flat roof extension to the rear, providing a new utility room, extended kitchen and dining room with no.1 new rooflight; Attic conversion to the rear extending the property to two storeys to include two additional bedrooms, office space, shower room and en-suite; Two roof lights to the north facing front elevation; External insulation with brick finish to the front, side and rear facades; Ancillary site works as required to facilitate construction works.	Details...
2.2km	19/06/2026	N/A	18 The Close, Ballycullen Gate, Dublin 24, D24TW0D	Attic conversion for storage incorporating two rooflights to the front roof slope and a dormer window to the rear roof slope.	Details...
1.7km	01/05/2026	Grant Permission	30, Abbots Grove Park, Dublin, D16 T3H4	Attic conversion with dormer window to front and rooflights to rear.	Details...
1.7km	01/05/2026	Grant Permission	37, Abbots Grove Park, Dublin, D16 C6X8	Attic conversion with rooflights to the front and rear.	Details...
230m	03/04/2026	Grant Permission	9, Knocklyon Close, Knocklyon, Dublin, D16 TP94	Amendmetns to the first floor extension previously granted planning permission Reg Ref: SD21B/0021	Details...
400m	05/03/2026	Grant Permission	30, Idrone Drive, Ballyroan, Dublin 16, D16 T9W7	Proposed construction of a dormer attic extension and alterations to existing dormer to the rear and all associated site works to existing dwelling house.	Details...
240m	13/02/2026	Grant Permission	16 Idrone Park, Knocklyon, Dublin 16, D16PX29	Demolition of an existing single story glazed conservatory and store, construction of a new 2 storey extension and attic conversion to the rear providing an extended kitchen and dining room at ground floor, two additional bedrooms and bathroom at the new first floor level, a new roof light to the north facing roof, external insulation with render finish and all associated drainage works and site works as required.	Details...
490m	11/02/2026	Refuse Permission	15, Knocklyon Park, Templeogue, Dublin 16, D16 N1W8	Modifications to a previously granted permission (SD25B/0061W), to include construction of a dormer to the rear pitch of the roof and associated revisions to the internal layout, of the existing two storey semi-detached house.	Details...
290m	26/01/2026	Grant Permission	2, Knocklyon Avenue, Knocklyon, Dublin 16, D16 H3K8	(i) Demolition of single storey lean-to shed and removal of existing boundary wall to the front; (ii) Construction of a two-storey extension to the front/north, side/west and rear/south of the existing two-storey dwelling with associated internal reconfigurations; (iii) provision of 1 no. rooflight and 2 no. solar panels; (iv) Provision of new boundary walls (1.2m) to the front; and, (v) All ancillary works, inclusive of landscaping, boundary treatments and SuDS drainage, necessary to facilitate the development.	Details...
2.1km	05/11/2025	Grant Permission	2 Woodtown Cottages, Rathfarnham, Dublin 16, D16 W6XO	Planning Permission for removal of the existing original non-compliant septic tank and all associated services and installation of a new EPA compliant waste water treatment tank and sand filt6ration system to the rear of the existing dwelling and all associated site works	Details...
1.5km	22/08/2025	Grant Permission	Woodtown, Ballycullen, Dublin 16.	The proposed development will consist of 502 no. residential units (108no. 1-bed, 170no. 2-bed, 162 no. 3-bed; 62 no. 4-bed) comprising 197no. 2 storey houses (terraced/semi-detached/detached) (19no. 2-bed, 116no. 3-bed; 62no. 4-bed) and 28no. 3 and 4 storey simplex/duplex apartment blocks providing 305no. apartments (108no. 1-bed apartments, 151no. 2-bed apartments, 46no. 3-bed apartments). The proposed development also includes a creche (c.475sq.m), public open space, car parking (surface/undercroft), bicycle parking, bicycle storage structures and lockers, bin stores, and 8no. ESB substations. Vehicular access to be provided from the existing spur road connection to Stocking Avenue to the west of the site, and via Stocking Wood Drive to the east of the site (with relocation of existing ESB substation and associated works to the existing hammerhead). Additional pedestrian only routes will be provided into Abbot's Grove Park and Stocking Wood Copse with future connections provided for into Stocking Wood Manor, White Pines Park and the future school site to the north of the application site. The proposed development includes all associated site development works (including site reprofiling, retaining structures and downing of ESB overhead lines), landscaping, boundary treatments and services provision the lands are located to the east of Abbots Grove Park, south-east of Abbots Grove Avenue, south of Stocking Avenue and Stocking Wood estate and west of White Pines Park.	Details...
300m	21/08/2025	Grant Permission	19, Idrone Drive, Dublin 16, D16X6F8	Planning permission for (1) Demolition of single storey front porch and garage extension (2) For a new first floor extension over existing side garage and a new single storey porch and garage extension to the front (3) 2 new velux windows in main roof to front (4) All associated ancillary site works	Details...
210m	16/08/2025	Grant Permission	32, Knocklyon Heights, Knocklyon, Dublin 16, D16P2K0	Divide existing site into 2 sites, demolish existing garage and kitchen area of existing house, erect a new 4 bedroom detached 2 storey house in the side garden of site with new boundary walls, 2 car spaces and new vehicular entrance to front of new house and all associated site works.	Details...
330m	07/07/2025	Grant Permission	5a, Knocklyon Ave, Knocklyon, DUBLIN 16	alterations to previously approved planning application Reg Ref No. SD24A/0034. The proposed alterations affect House B (5A Knocklyon Ave) of the previous application to include a 1st floor extension to the side (circa 6 Sq/M) & a single storey extension to the rear (circa 3 Sq/M) & all associated works	Details...
2.6km	24/06/2025	Grant Permission	Rosario, Mount Venus Road, Rathfarnham, Dublin 16	The proposed development will consist of the demolition of the existing porch; internal alterations to existing ground and attic levels, the construction of a new roof structure, the construction of an extension of the northern gable to elongate the dwelling, alterations to the existing materiality and fenestration details to the existing dwelling, along with alterations to the existing vehicular entrance materiality, all along with associated landscaping, ancillary and site works.	Details...
2.5km	29/05/2025	Grant Permission	23, Dodderbrook Lawn, Bohernabreena, Dublin 24, D24 AX2C	Attic conversion for storage use, including the construction of a dormer window to the front roof slope and the installation of three rooflights to the rear.	Details...
3km	26/05/2025	Grant Permission	Frank Kelly Park, Mount Venus Road, Rathfarnham, Dublin 16.	The development shall consist of precast concrete hurling/skills wall together with retaining wall to side of existing pitch and associated siteworks.	Details...
310m	10/05/2025	Grant Permission	23, Knockfield Manor, Knocklyon Road, Dublin 16, D16 A2K7	Single-storey rear and side extension to include kitchen, storage and utility rooms, 2 no. roof windows and alterations to existing elevations and associated works to take place	Details...
490m	05/05/2025	Grant Permission for Retention	38 Coolamber Park, Knocklyon, Dublin 16, D16 Y9F2	Planning Permission for Retention for the construction of a 2.5m high side boundary wall / timber fence facing onto no 37 Coolamber Park, and the construction of a 2.9m high rear boundary timber fence facing onto the side elevation of 36 Idrone Close, Dublin 16, D16 A2R7	Details...

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