Knocknarea Road, Drimnagh

64 parcels, from 111 m² to 16,960 m² (1.7 ha, 4.19 acres), median 214.5 m².

Line of the street: © OpenStreetMap contributors, ODbL.

• R2Z1: Sustainable Residential Neighbourhoods (Existing residential)
  Development Plan 2022-2028, Dublin The zoning objective in the plan
  58 parcels of this street
• S5Z15: Community and Social Infrastructure (Mixed/general community services/facilities uses)
  Development Plan 2022-2028, Dublin The zoning objective in the plan
  3 parcels of this street

Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0. A parcel counts in the zone its centre falls in.

• 18 Dec 2025Grant permission

  Permission is sought for amendments to a previously approved development (Reg. Ref. 3269/23). The proposed amendments comprise the following: • Provision of a new 9sqm L.V. room and 8sqm ESB kiosk to the south-west of the site, adjacent to the existing main entrance; • Removal of the two existing inner security gates; • Installation of photovoltaic (PV) solar panels on the roof of the approved two-storey extension; • Increase in the height of the roof-level plant room of the proposed two-storey extension from +45.2 m to +46.1 m, and relocation of the structure to achieve a 2.9 m setback from the north-east elevation. The enclosed area, providing space for the water tank, plant equipment, and required maintenance access, will also increase in footprint from 20 sqm to 44 sqm; • Modifications to the ground-floor student toilet windows on the north-east elevation of the proposed two-storey extension; and • Enlargement of the stair window located above the escape doors on the north-east elevation.

  Permission · Dublin City Council, WEB6031/25

• 15 Dec 2025Application declared invalid

  Permission is sought for amendments to a previously approved development (Reg. Ref. 3269/23). The proposed amendments comprise the following: • Provision of a new 9sqm L.V. room and 8sqm ESB kiosk to the south-west of the site, adjacent to the existing main entrance; • Removal of the two existing inner security gates; • Installation of photovoltaic (PV) solar panels on the roof of the approved two-storey extension; • Increase in the height of the roof-level plant room of the proposed two-storey extension from +45.200 m to +46.100 m, and relocation of the structure to achieve a 2.9 m setback from the north-east elevation. The enclosed area, providing space for the water tank, plant equipment, and required maintenance access, will also increase in footprint from 20 sqm to 44 sqm; • Modifications to the ground-floor student toilet windows on the north-east elevation of the proposed two-storey extension; and • Enlargement of the stair window located above the escape doors on the north-east elevation.

  Permission · Dublin City Council, WEB5973/25

• 5 Sept 2025Grant permission

  Construction of a new two storey extension and associated site works to the side and partially to the front .

  Permission · Dublin City Council, 3374/25

• 2 Sept 2025Application declared invalid

  Construction of a new , two storey extension and associated site works to the side and partially to the front .

  Permission · Dublin City Council, 3369/25

• 15 Jun 2023Grant permission

  PERMISSION: Planning Permission for a five-year extension in duration to existing Permission (Reg. Ref. No.: 3651/18) previously granted for a temporary prefabricated single-storey, flat-roofed detached building for use as an ASD Unit for the school, with all associated site works etc. The existing temporary building is located within the existing yard of the school adjacent to the existing Boiler House and the existing entrance gate opening from Knocknarea Road. The existing temporary building accommodates one Classroom, a Multi-Sensory Room, a Safe Room, a Storeroom, a Staff Room and two no. WC's. All at Our Lady of Mercy (OLM) Secondary School, Mourne Rd., Drimnagh, Dublin 12, D12 HT22. Our Lady of Mercy (OLM) Secondary School occupies a corner site at the junction of Mourne Road and Knocknarea Road.

  Permission · Dublin City Council, 3964/23

• 24 Feb 2023Grant permission

  The development will consist of demolishing a single storey prefabricated classroom in south playground, a flat roof lobby to the north playground, bicycle sheds on the perimeter of the eastern boundary, relocation of the water tank and replace with accommodation that forms a three-sided courtyard and playground; single storey extension to the southwest and 2 storeys to the northeast. The proposed accommodation comprises 4 new general classrooms, music room, woodwork room, SEN facilities, WC'S; in 2 no. separate buildings; a one-way system for staff car parking and SEN drop off and covered cycle parking with no change to the school vehicle entrances proposed and all other associated repair and refurbishment and landscape works.

  Permission · Dublin City Council, 3269/23

• 26 Jan 2023Application declared inva

  The development will consist of demolishing the existing temporary prefabricated classrooms and replace with accommodation that forms a three-sided courtyard and playground; single storey extension to the west and 2 storey to the east. The proposed accommodation comprises 4 new general classrooms, Music Room, Woodwork room, SEN facilities, WC's; in 2no. separate buildings; new vehicular access from Knocknaree Road which introduces a one-way system for staff car parking and SEN drop off and covered cycle parking, and all other associated repair and refurbishment, and landscape works.

  Permission · Dublin City Council, 3098/23

• 22 Dec 2022Application declared inva

  Demolishing the existing temporary prefabricated classrooms and replace with accommodation that forms a three-sided courtyard and playground; single-storey extension to the west and 2 storey to the east. The proposed accommodation comprises 4 new general classrooms, Music Room, Woodwork room, SEN facilities, WC's; in 2 no. separate buildings; new vehicular access from Knockara Road which introduces a one-way system for staff car parking and SEN drop off and covered cycle parking, and all other associated repair and refurbishment, and landscape works.

  Permission · Dublin City Council, 5521/22

• 8 Jun 2021Grant retention permissio

  RETENTION: Planning permission for retention of: A) single storey domestic shed/gymnasium to rear. B) All associated site works to rear.

  Retention permission · Dublin City Council, 2911/21

• 30 Nov 2020Grant permission

  Planning permission for the following works: (i) the provision of a new metal palisade security fence on top of the existing brick boundary walls to the north-east, north west (Mourne Road) and south-west (Knocknarea Road) boundaries, the total height of the new boundary treatment to be approx. 3.25m with three sets of new matching entrance double gates, one set to Knocknarea Road and two sets to Mourne Road. Note the provision of the new fence also proposes the closing up of one existing set of entrance double-gates to the site from Knocknarea Road; (ii) the provision of new entrance ramp and steps and modifications to the existing steps, to provide for accessibility for persons with disabilities up to the main school entrance opening off Mourne Road. Our Lady of Mercy (OLM) Secondary School occupies a corner site at the junction of Mourne Road and Knocknarea Road.

  Permission · Dublin City Council, 3840/20

Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.

Source: Residential Property Price Register, Property Services Regulatory Authority. Sales marked “not full market price” are left out of every median.