4, Knocklyon Grove, Templeogue, Dublin 16
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD21B/0330 is a planning application for permission at 4, Knocklyon Grove, Templeogue, Dublin 16, received by South Dublin County Council on 3 Jun 2021 and first seen by Planning Register on 11 Sept 2026. The application describes: Additional attic space containing a bedroom; bathroom; home office; and recreation room by replacing the existing roof with a new dormer attic roof with two dormers to the rear; a triangular roof light to the front and 4 'Velux' rooflights to front and 3 to the rear of the existing house. In addition permission is sought to provide 2 bay windows plus a covered porch to the front. The council granted permission on 28 Jul 2021. The five-week observation window closed on 8 Jul 2021. A commencement notice (CN0107037SD) was lodged on 14 Nov 2023, 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 67 other decided applications in the last five years and 4 appeals.
Proposal
Additional attic space containing a bedroom; bathroom; home office; and recreation room by replacing the existing roof with a new dormer attic roof with two dormers to the rear; a triangular roof light to the front and 4 'Velux' rooflights to front and 3 to the rear of the existing house. In addition permission is sought to provide 2 bay windows plus a covered porch to the front.
- Status
- Decision
- Decision
- Grant permission on 28 Jul 2021
- Final grant
- 6 Sept 2021
- Floor area
- 86 m²
- Site (from polygon)
- 563 m²
- Location precision
- site (coords_polygon)
Timeline
- 3 Jun 2021New applicationObservation window closed 8 Jul 2021
- 28 Jul 2021DecisionAppeal window closed 25 Aug 2021
Full planning report for 53.28439, -6.31920
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0107037SD
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 106400). 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/60913.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |