Lands at Castlefield Avenue, Knocklyon adjoining Mimosa Castlefield Ave, Dublin 16, D16 R2F3
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD26A/0001W is a planning application for permission at Lands at Castlefield Avenue, Knocklyon adjoining Mimosa Castlefield Ave, Dublin 16, D16 R2F3, received by South Dublin County Council on 6 Jan 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: Planning permission is sought by Mr. Ross Hollingsworth for a detached two storey, building to provide 2 number circa 82sq.m 2 Bed apartments with balconies. The drainage arrangements are to tap into the existing and as approved under planning reg ref SD11A/0065 and as amended by SD15A/0299, & SD17A/0163. A new pedestrian and vehicular access with crossover off Castlefield Avenue, & boundary walls on Lands at Castlefield Avenue, Knocklyon adjoining Mimosa Castlefield Avenue, Dublin 16, D16R2F3, part of folio 68669F & 75126L, and all ancillary site works. The council granted permission on 27 Feb 2026. The five-week observation window closed on 10 Feb 2026. An Coimisiún Pleanála decided appeal 501053 on 23 Jul 2026 (grant). The site is zoned R2 — existing residential under the South Dublin County Council development plan. The scheme is for 2 units. Within 500 m there are 53 other decided applications in the last five years and 8 appeals.
Proposal
Planning permission is sought by Mr. Ross Hollingsworth for a detached two storey, building to provide 2 number circa 82sq.m 2 Bed apartments with balconies. The drainage arrangements are to tap into the existing and as approved under planning reg ref SD11A/0065 and as amended by SD15A/0299, & SD17A/0163. A new pedestrian and vehicular access with crossover off Castlefield Avenue, & boundary walls on Lands at Castlefield Avenue, Knocklyon adjoining Mimosa Castlefield Avenue, Dublin 16, D16R2F3, part of folio 68669F & 75126L, and all ancillary site works.
- Status
- Appeal decided
- Decision
- Grant permission on 27 Feb 2026
- Units
- 2
- Floor area
- 173 m²
- Site (from polygon)
- 342 m²
- Location precision
- site (coords_polygon)
Timeline
- 6 Jan 2026New applicationObservation window closed 10 Feb 2026
- 27 Feb 2026DecisionAppeal window closed 27 Mar 2026
- 25 Mar 2026Appeal lodged

Full planning report for 53.28424, -6.32928
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1 Where this is — preview
1 Deadlines still open
Appeal
Commencement
No commencement notice matched to this reference.
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
No OPW flood extent nearby.
- NIAH-recorded building · 5
- Radon risk area · 2
- Recorded monument · 2
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 103235). 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/69584.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |