South Dublin County Council · SD19B/0342

57, Knocklyon Road, Knocklyon, Dublin 16

29 Aug 2019Received
23 Oct 2019Grant permission
3 Dec 2019Final grant
24 Feb 2020Commenced

Status: Commenced
Decision: Grant permission · 23 Oct 2019
Council: South Dublin County Council
Type: Permission
Site: 703 m²

What’s proposed

Demolition of existing garage; construction of single storey extension to rear (east) and single storey porch to side (south) - total 57sq.m; conversion of existing attic to form a first floor to include a dormer window to the south and revisions to existing elevational treatment of the dwelling

SD19B/0342 is a planning application to South Dublin County Council for demolition of existing garage; construction of single storey extension to rear (east), received on 29 Aug 2019; permission was granted on 23 Oct 2019.

Planning details

Reference: SD19B/0342
Local authority: South Dublin County Council
Status: Commenced · register status “Decision”
Received: 29 Aug 2019
Observations close: 3 Oct 2019 (closed 2543 days ago)
Decision due: 23 Oct 2019 · decided 23 Oct 2019
Decision: Grant permission on 23 Oct 2019
Proposed development: Demolition of existing garage; construction of single storey extension to rear (east) and single storey porch to side (south) - total 57sq.m; conversion of existing attic to form a first floor to include a dormer window to the south and revisions to existing elevational treatment of the dwelling
As published by the register.
Site area: 703 m² from the mapped boundary, not the council's figure
Applicant: Not published — the national feed carries no applicant name council register

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Appeal

Not appealed.

Commencement

Opt out commencement notice CN0061726SD
24 Feb 202057 Knocklyon Road, Knocklyon,, D16 NP77matched by ref_exact

Zoning at the site

R2 — Existing residential

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.

Radon risk area · 2
About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 20 homes in this area is likely to have high radon levels

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 110508). 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/57153.

Source: npad · fetched 11 Sept 2026, 18:51

Source	Licence	Fetched	Link
npad	CC-BY-4.0	11 Sept 2026, 18:51	open

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