Our Lady Of Mercy Secondary School, Mourne Road, Dublin 12, D12 HT22
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
WEB5973/25 is a planning application for permission at Our Lady Of Mercy Secondary School, Mourne Road, Dublin 12, D12 HT22, received by Dublin City Council on 15 Dec 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: 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. The council declared the application invalid on 16 Dec 2025. The five-week observation window closed on 28 Jan 2026. The site is zoned S5 — sustainable neighbourhood infrastructure under the Dublin City Council development plan. Within 500 m there are 96 other decided applications in the last five years and 6 appeals.
Proposal
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.
- Status
- Decision Notice Issued
- Decision
- Application declared invalid on 16 Dec 2025
- Site (from polygon)
- 8,913 m²
- Location precision
- site (coords_polygon)
Timeline
- 15 Dec 2025New applicationObservation window closed 28 Jan 2026
- 16 Dec 2025DecisionAppeal window closed 22 Jan 2026
Full planning report for 53.33089, -6.31894
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
No commencement notice matched to this reference.
Zoning at the site
Z15: Community and Social Infrastructure: To protect and provide for community uses and social infrastructure.
Reserved for the schools, creches, community and health facilities a neighbourhood needs.
Designations within 250 m
No OPW flood extent nearby.
- NIAH-recorded building · 3
- Radon risk area · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 88257). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |