WEB6031/25: 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.
Our Lady Of Mercy Secondary School, Mourne Road, Drimnagh, Dublin 12
DecisionGrant permission
Decided19 February 2026
Application typePermission
Source documentsPending
Site
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0refusal reasons0conditions8nearby records
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Nearby precedent
Similar nearby applications linked to this planning decision.- 3964/23PERMISSION: 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. / 0.0 km away / 09 August 2023Granted
- 3269/23The 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. / 0.0 km away / 20 July 2023Granted
- 3840/20Planning 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. / 0.0 km away / 06 April 2021Granted
- WEB1251/23Demolition of existing single storey extension to the rear of dwelling and the construction of a two storey and single storey extension to the rear of dwelling, the construction of a front porch and alterations to existing ground floor and first floor layout, all associated site works. / 0.1 km away / 18 May 2023Granted
- 4300/23The development will consist of demolishing an existing ground floor only extension to the rear of the existing house and replacing with a new ground & first floor extension. A new first floor extension to the side of the existing house extending the existing roof profile over. A new detached single storey extension in the rear garden to be used for games room, gym, storage & sensory room and all ancillary works. / 0.1 km away / 05 October 2023Granted
- 4184/23Permission for proposed build-up of existing hip to side of roof into dutch hip at attic level, with window in proposed gable wall. Dormer roof window on rear slope of all at attic level. Proposed attic conversion with W.C, proposed first floor internal alterations. / 0.1 km away / 13 September 2023Granted
- 3877/19Planning permission for erection of new front wall and piers with new gates and dished footpath to facilitate a new drive-in for the creation of vehicular access at 117 Mourne Road, Drimnagh, Dublin 12 EW6A. / 0.2 km away / 15 November 2019Granted
- WEB1742/23New vehicular access with dropped kerb. Removal of the front wall and replacement with steel railings. With steel railings front gate. / 0.2 km away / 27 October 2023Granted