PlanningRegister.ie
South Dublin County Council · SD25B/0399W

48 Greenfield Park, Knocklyon, Dublin 24, D24 N9W2

  1. 17 Jun 2025Received
  2. 29 Jul 2025Grant permission
  3. 12 Sept 2025Final grant
  4. 13 Oct 2025Commenced
  5. 11 Sept 2030Permission expires
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.
Status
Commenced
Decision
Grant permission · 29 Jul 2025
Council
South Dublin County Council
Type
Permission
Site
181 m²

What’s proposed

Conversion of existing attic space comprising of modification of existing roof structure, raising of existing gable c/w window, new access stairs, 2no. roof windows to the front and flat roof dormer to the rear

SD25B/0399W is a planning application to South Dublin County Council for conversion of existing attic space comprising of modification of existing roof, received on 17 Jun 2025; permission was granted on 29 Jul 2025.

Planning details

Reference
SD25B/0399W
Local authority
South Dublin County Council
Status
Commenced · register status “Final Grant
Received
17 Jun 2025
Observations close
22 Jul 2025 (closed 419 days ago)
Decision due
11 Aug 2025 · decided 29 Jul 2025
Decision
Grant permission on 29 Jul 2025
Proposed development
Conversion of existing attic space comprising of modification of existing roof structure, raising of existing gable c/w window, new access stairs, 2no. roof windows to the front and flat roof dormer to the rear
As published by the register.
Site area
181 m² from the mapped boundary, not the council's figure
Applicant
Not published — the national feed carries no applicant name council register

Around this site this application first, then everything within 500 m

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Full planning report for 53.27531, -6.33315

Zoning, appeals, sold prices, flood and heritage constraints — everything for this area in one PDF.

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Appeal

Not appealed.

Commencement

  • Short commencement notice CN0133915SD
    13 Oct 202548 Greenfield Park, Knocklyon, South Dublin, D24 N9W2matched 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

No OPW flood extent nearby.

  • Radon risk area · 1
    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 94374). 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/68447.

Source: npad · fetched 11 Sept 2026, 18:51
SourceLicenceFetchedLink
npadCC-BY-4.011 Sept 2026, 18:51open