17 St Mary's Avenue, Rathfarnham, Dublin 14
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD25B/0173 is a planning application for permission at 17 St Mary's Avenue, Rathfarnham, Dublin 14, received by South Dublin County Council on 18 Jun 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: For demolition of a single storey toilet-block annex and construction of a single storey extension to the rear, with flat roof including glazed patio doors. Replacement of existing glazing front and rear of house; all associated site works and services. The council granted permission on 11 Jul 2025. The five-week observation window closed on 23 Jul 2025. A commencement notice (CN0135923SD) was lodged on 22 Nov 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 74 other decided applications in the last five years and 9 appeals.
Proposal
For demolition of a single storey toilet-block annex and construction of a single storey extension to the rear, with flat roof including glazed patio doors. Replacement of existing glazing front and rear of house; all associated site works and services
- Status
- Final Grant
- Decision
- Grant permission on 11 Jul 2025
- Final grant
- 20 Aug 2025
- Permission expires
- 19 Aug 2030
- Floor area
- 12 m²
- Site (from polygon)
- 94 m²
- Location precision
- site (coords_polygon)
Timeline
- 21 May 2025Further information requested
- 18 Jun 2025Further information received
- 18 Jun 2025New applicationObservation window closed 23 Jul 2025
- 11 Jul 2025DecisionAppeal window closed 8 Aug 2025
Full planning report for 53.29699, -6.28548
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Short commencement notice CN0135923SD
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.
- NIAH-recorded building · 9
- Radon risk area · 1
- Recorded monument · 6
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 91281). 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/67990.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |