23, Knocklyon Close, Dublin, 16.
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD22A/0450 is a planning application for permission at 23, Knocklyon Close, Dublin, 16., received by South Dublin County Council on 2 Dec 2022 and first seen by Planning Register on 11 Sept 2026. The application describes: Demolish single storey extension at side, erect a two storey four bedroom semi-detached dwelling (end of terrace) at front, side and rear including new front vehicular entrance for existing dwelling, existing front vehicular entrance will be retained for new dwelling; Revisions to previously approved plans SD17A/0172; The proposal includes demolishing a conservatory extension and construction of a single storey extension to rear of existing dwelling. The council granted permission on 1 Feb 2023. The five-week observation window closed on 16 Jan 2023. A commencement notice (CN0145023SD) was lodged on 14 Jul 2026, so works have started on site. The site is zoned R2 — existing residential under the South Dublin County Council development plan. The scheme is for 1 unit. Within 500 m there are 71 other decided applications in the last five years and 4 appeals.
Proposal
Demolish single storey extension at side, erect a two storey four bedroom semi-detached dwelling (end of terrace) at front, side and rear including new front vehicular entrance for existing dwelling, existing front vehicular entrance will be retained for new dwelling; Revisions to previously approved plans SD17A/0172; The proposal includes demolishing a conservatory extension and construction of a single storey extension to rear of existing dwelling.
- Status
- Registered Application
- Decision
- Grant permission on 1 Feb 2023
- Final grant
- 10 Mar 2023
- Units
- 1
- Floor area
- 216 m²
- Site (from polygon)
- 463 m²
- Location precision
- site (coords_polygon)
Timeline
- 2 Dec 2022New applicationObservation window closed 16 Jan 2023
- 1 Feb 2023DecisionAppeal window closed 1 Mar 2023
Full planning report for 53.28539, -6.32024
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0145023SD
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 · 1
- Radon risk area · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 101893). 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/63527.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |