5, Mountdown Park, Dublin 12
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD24B/0276 is a planning application for permission at 5, Mountdown Park, Dublin 12, received by South Dublin County Council on 12 Jun 2024 and first seen by Planning Register on 11 Sept 2026. The application describes: The development will consist of ground floor extension to the rear, demolition of the side extensions and porch, and the construction of a two storey extension the side, a new porch extension to the front, rooflights to the front, a part attic extension to habitable status provision of dormer roofs to the front and rear, internal reconfiguration of the ground and first floor layouts and all ancillary works to facilitate the development. The council granted permission on 30 Jul 2024. The five-week observation window closed on 17 Jul 2024. A commencement notice (CN0128712SD) was lodged on 12 May 2025, so works have started on site. The site is zoned R2 — existing residential under the South Dublin County Council development plan. Within 500 m there are 122 other decided applications in the last five years and 9 appeals.
Proposal
The development will consist of ground floor extension to the rear, demolition of the side extensions and porch, and the construction of a two storey extension the side, a new porch extension to the front, rooflights to the front, a part attic extension to habitable status provision of dormer roofs to the front and rear, internal reconfiguration of the ground and first floor layouts and all ancillary works to facilitate the development
- Status
- Final Grant
- Decision
- Grant permission on 30 Jul 2024
- Final grant
- 12 Sept 2024
- Permission expires
- 11 Sept 2029
- Floor area
- 33 m²
- Site (from polygon)
- 373 m²
- Location precision
- site (coords_polygon)
Timeline
- 12 Jun 2024New applicationObservation window closed 17 Jul 2024
- 30 Jul 2024DecisionAppeal window closed 27 Aug 2024
Full planning report for 53.30474, -6.32586
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0128712SD
Zoning at the site
RES: To protect and/or improve residential amenity
An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Designations within 250 m
OPW flood extent nearby — flag only (licence); floodinfo.ie.
- Radon risk area · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 106504). 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. Council register: https://planning.agileapplications.ie/southdublin/application-details/66338.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |