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16 Idrone Park, Knocklyon, Dublin 16, D16PX29

Feb 13 2026

Application Received

Apr 02 2026

Decision

Apr 09 2026

Decision Due

May 13 2026

Granted

May 14 2026

Commencement Notice

May 29 2026

Commencement Started

May 12 2031

Expiry (if required)

Submitted: 13 / 02 / 2026
South Dublin County Council
Application Type:
Permission
Application Status:
Final Grant
Council Decision:
Grant Permission (Unknown)

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Development Description:

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.

Nearby Applications:

Distance:	Received:	Decision:	Development Address:	Development Description:
460m	01/07/2026	N/A	Pairc Ui Mhurchu, Firhouse Road, Dublin 16, D16 A2F8	The retention of 1.96m wide pedestrian entrance, disabled ramp, handrail, balustrading and associated site works.	Details...
10m	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...
2.5km	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...
240m	12/05/2026	Grant Permission for Retention	2 Mount Alton Court, Knocklyon, Dublin 16, D16 HW83	The development consists of re-location and enlargement of ground floor window to eastern side elevation of dwelling-house.	Details...
490m	08/05/2026	Grant Further Ext. of Duration of Permission	Vista Montana, Firhouse Road, Knocklyon, Dublin 16.	(a) Demolition of existing house 'Vista Montana'; (b) construction of 11 no. 3-storey houses consisting of 1 detached 5-bed and 10 semi-detached 4-bed units; (c) new access road with raised crossing at entrance off Firhouse Road; (d) provision of on-street parking and off-street parking; (e) connection to Local Authority and Irish Water storm, foul and water main systems, and all associated site works.	Details...
1.9km	01/05/2026	Grant Permission	30, Abbots Grove Park, Dublin, D16 T3H4	Attic conversion with dormer window to front and rooflights to rear.	Details...
1.9km	01/05/2026	Grant Permission	37, Abbots Grove Park, Dublin, D16 C6X8	Attic conversion with rooflights to the front and rear.	Details...
450m	08/04/2026	Refuse Ext. of Duration of Permission	68, Dargle Wood, Dublin 16	Construction of a two storey extension at the side and a single storey extension to the rear of existing semi-detached house; canopy at the front of the house above the main entrance and continuing over a new single storey bay window; 3 no. west facing roof lights to the rear of the house; 3 no. new west-facing roof-lights to the single storey extension to the rear of the house; 3 no. windows to the new end wall and gable; connection into existing public mains; internal reconfiguration; all with a total floor area of approx.. 49sq.m and associated site works.	Details...
140m	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...
430m	23/03/2026	Grant Permission	27, Green Acre Court, Dublin 16, D16 YF53	Permission for a single storey extension to side of dwelling together with all associated siteworks.	Details...
180m	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...
430m	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...
430m	30/01/2026	N/A	Knocklyon to Ballyboden Active and Sustainable Travel Scheme	Pursuant to the requirements of the above, South Dublin County Council hereby give notice toconstruct the following development in the Knocklyon to Ballyboden area of South Dublin, including Firhouse Road, Knocklyon Road (including Gaelscoil Chnoc Liamhna), Idrone Avenue (including St. Colmcille's Junior and Senior National Schools), Dargle Wood Park, Templeroan Road, Ballyboden Way, Boden Park, Ballyboden Road and Scholarstown Road: • Landscaping, tree planting, nature based Sustainable Drainage System • Traffic calming measures including reduced carriageway width and reduced corner radii and roundabout improvements • School zone improvements • High quality walking and cycling infrastructure, including segregated cycle lanes with kerb protection and new permeability links • New shelters at bus stops and new bus lanes on Ballyboden Way • Associated public lighting and other services. The proposal has undergone Appropriate Assessment Screening under the Habitats Directive (92/43/EEC) and screening for Environmental Impact Assessment under the EIA Directive 2011/92/EU, as amended by Directive 2014/52/EU. The authority has concluded that there is no real likelihood of significant effects on the environment arising from the proposed development and a determination has been made that an Environmental Impact Assessment Report (EIAR) is not required. The authority has also made a determination under Article 6(3) that the proposed development, either individually or in combination with other plans and projects, is not likely to have a significant effect on any European site(s). Any person may, within 4 weeks from the date of publication of this notice, apply to An Coimisiún Pleanála for a screening determination as to whether the development would be likely to have significant effects on the environment. Persons wishing to inspect drawings and particulars of the proposed development can do so as follows: ONLINE: Visit our Public Consultation Portal (http://consult.sdublincoco.ie) during the period 30th January 2026 to 13th March 2026 at 5pm. IN PERSON: Plans and particulars of the proposed development will be available for inspection or purchase at a fee not exceeding the reasonable cost of making a copy, at County Hall, Tallaght, Dublin 24 during office hours from 30th January 2026 to 27th February 2026. Submissions and observations with respect to the proposed development dealing with the proper planning and sustainable development of the area in which the proposed development will be situated, may be made in writing up to 5.00pm on 13th March 2026 and may be submitted Online: https://consult.sdublincoco.ie/en/consultation/knocklyon-ballybodenactive- and-sustainable-travel-scheme In writing: Post to Senior Executive Officer, Climate Action, South Dublin County Council, County Hall, Tallaght, Dublin D24 A3XC.	Details...
340m	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...
470m	04/12/2025	Grant Permission	77 Dargle Wood, Knocklyon, Dublin 16, D16H773	Planning Permission to demolish the existing 6sq.m. garage to the side and construct a new 51sq.m. Two Storey Granny Flat Extension with an 11sq.m. attic conversion to the side of the existing semi-detached dwelling and to include solar panels to the front a rear elevation and external insulation front and rear to the existing dwelling and to include ancillary works	Details...
330m	24/11/2025	Grant Permission	20, Coolamber Park, Knocklyon, Dublin 16, D16E4W0	Construction of a single-storey flat-roof front extension.	Details...
340m	06/11/2025	Grant Permission	67, Coolamber Park, Dublin 16, D15 K753	Variation to the previously granted planning permission Pl. Ref SD22A/0287. The development consists of a two storey detached house. Variations to internal layouts, elevations, vehicular access, and all associated site works below and above ground.	Details...
2.2km	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...
480m	10/10/2025	Grant Permission for Retention	40D, Dargle Wood, Knocklyon, Dublin 16, D16 DP86.	Retention for timber fence to boundary of front driveway. Front facade first floor window size and flat roof shelter/canopy over ground floor front entrance area.	Details...

Appeals / Commencement

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Commencement Information:

Notice Submitted: 14 / 05 / 2026
Start Date: 29 / 05 / 2026
BCMS Notice: Subscriber Access Required
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Copyright:

Planning Data is published by Department of Housing, Planning and Local Government and is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.