2, Knocklyon Avenue, Knocklyon, Dublin 16, D16 H3K8
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD26B/0032W is a planning application for permission at 2, Knocklyon Avenue, Knocklyon, Dublin 16, D16 H3K8, received by South Dublin County Council on 26 Jan 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: (i) Demolition of single storey lean-to shed and removal of existing boundary wall to the front; (ii) Construction of a two-storey extension to the front/north, side/west and rear/south of the existing two-storey dwelling with associated internal reconfigurations; (iii) provision of 1 no. rooflight and 2 no. solar panels; (iv) Provision of new boundary walls (1.2m) to the front; and, (v) All ancillary works, inclusive of landscaping, boundary treatments and SuDS drainage, necessary to facilitate the development. The council granted permission on 12 Mar 2026. The five-week observation window closed on 2 Mar 2026. A commencement notice (CN0147042SD) was lodged on 7 Sept 2026, 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 61 other decided applications in the last five years and 5 appeals.
Proposal
(i) Demolition of single storey lean-to shed and removal of existing boundary wall to the front; (ii) Construction of a two-storey extension to the front/north, side/west and rear/south of the existing two-storey dwelling with associated internal reconfigurations; (iii) provision of 1 no. rooflight and 2 no. solar panels; (iv) Provision of new boundary walls (1.2m) to the front; and, (v) All ancillary works, inclusive of landscaping, boundary treatments and SuDS drainage, necessary to facilitate the development.
- Status
- Final Grant
- Decision
- Grant permission on 12 Mar 2026
- Final grant
- 22 Apr 2026
- Permission expires
- 21 Apr 2031
- Floor area
- 192 m²
- Site (from polygon)
- 472 m²
- Location precision
- site (coords_polygon)
Timeline
- 26 Jan 2026New applicationObservation window closed 2 Mar 2026
- 12 Mar 2026DecisionAppeal window closed 9 Apr 2026
Full planning report for 53.28616, -6.32285
One document, every dataset, each section with its source and fetch time. Print it or download it as a PDF. It informs a planning search; it is not a statutory search.
1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0147042SD
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.
- Radon risk area · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 108470). 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/69698.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |