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5a, Knocklyon Ave, Knocklyon, DUBLIN 16

Jul 07 2025

Application Received

Sep 01 2025

Decision Due

Sep 01 2025

Decision

Oct 14 2025

Granted

Mar 13 2026

Commencement Notice

Mar 27 2026

Commencement Started

Oct 13 2030

Expiry (if required)
  • Submitted: 07 / 07 / 2025
  • Application Type:
    Permission
  • Application Status:
    Final Grant
  • Council Decision:
    Grant Permission (Unknown)

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Development Description:

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

Nearby Applications:

Distance: Received: Decision: Development Address: Development Description:
440m 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...
360m 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...
2.4km 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...
330m 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...
240m 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...
2km 01/05/2026 Grant Permission 30, Abbots Grove Park, Dublin, D16 T3H4 Attic conversion with dormer window to front and rooflights to rear. Details...
2km 01/05/2026 Grant Permission 37, Abbots Grove Park, Dublin, D16 C6X8 Attic conversion with rooflights to the front and rear. Details...
210m 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...
340m 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...
430m 05/03/2026 N/A Proposed Social and Affordable Mixed Tenure Housing Development, on SDCC land at Castlefield Avenue, Old Knocklyon Road, Dublin 16. The proposed development is comprised of 29 homes and all associated open spaces and all site and development works necessary to facilitate the proposed development and will include: i. Construction of 8 No. three-storey, three-bedroom houses in two terraced buildings. ii. Construction of 4 No. two-bedroom apartments in a two-storey building. iii. Construction of a two and three-storey apartment building which will comprise: 1 No. studio apartment, 8 No. one-bedroom apartments, 4 No. two-bedroom apartments and 4 No. three-bedroom apartments. iv. New boundary treatment to adjoining properties and roads. Associated upgrading of roadways and paths, provision of car and cycle parking spaces. All hard and soft landscape works, lighting, boundary structures and all associated ancillary buildings, infrastructure to include a pumping station, and all site and development works necessary to facilitate the proposed development. The proposal has undergone Screening for Appropriate Assessment in accordance with Article 6(3) of 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. In accordance with Article 81 of the Planning & Development Regulations 2001, as amended, the Planning Authority has made a determination and concluded that: (a) 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) and therefore a Stage 2 Appropriate Assessment is not required. (b) There is no real likelihood of significant effects on the environment arising from the proposed development and that the proposed development is not of a class set out under Schedule 5 of the Planning and Development Regulations 2001, as amended, and therefore does not require an Environmental Impact Assessment Report (EIAR). 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. The plans and particulars of the proposed development are available for inspection online on the council’s public consultation portal website (http://consult.sdublincoco.ie) during the period from 5th of March 2026 to 21st of April 2026. Printed plans and particulars of the proposed development are 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 5th of March 2026 to 7th of April 2026. Submissions: Submissions or 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 21st of April 2026 and may be submitted as follows; • On South Dublin County Council’s public consultation portal website http://consult.sdublincoco.ie, under Consultation by 11:59pm on 21st of April 2026. Or • In writing addressed to the Senior Executive Officer, Housing Directorate, South Dublin County Council, County Hall, Tallaght, Dublin 24, to be received on or before 5.00pm on 21st of April 2026. Submission should be labelled “29no. new homes at Castlefield Avenue, Knocklyon, Dublin 16” NOTE: Please make your submission by one medium only. Only submissions received by 21st of April 2026 and addressed as set out above will be considered. Submissions should state the name, address, and, where relevant, details of any organisation, community group or company etc. which you represent. Only submissions received as set out above will be considered. It should be noted that the Freedom of Information Act, 1997-2006 (as amended) applies to all records held by South Dublin County Council. The council’s personal data privacy statements can be viewed at www.sdcc.ie and all personal data will be retained in line with statutory requirements. Details...
370m 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...
350m 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...
180m 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...
50m 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...
2.4km 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...
290m 01/10/2025 Grant Permission for Retention The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16N4T8 Amendments to the previously approved application (SD18B/0452) consisting of a reduction of the first floor rear extension. Details...
290m 19/09/2025 Invalidate Application The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16 N4T8 Amendments to the previously approved application (SD18B/0452) consisting of a reduction of the first floor rear extension. Details...
1.8km 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...
250m 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...
240m 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...

Appeals / Commencement

No Appeals Found

Decision Appealed:

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No Commencement Found

Commencement Information:

  • Notice Submitted: 13 / 03 / 2026
  • Start Date: 27 / 03 / 2026
  • BCMS Notice: Subscriber Access Required
  • View on BCMS Website

Copyright:

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