PlanningRegister.ie
South Dublin County Council · SD26B/0112W

11, Liffey Glen, Liffey Valley Park, Lucan, Co. Dublin, K78X977

  1. 18 Mar 2026Received
  2. 30 Apr 2026Grant permission
  3. 10 Jun 2026Final grant
  4. 6 Jul 2026Commenced
  5. 9 Jun 2031Permission expires
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.
Status
Commenced
Decision
Grant permission · 30 Apr 2026
Council
South Dublin County Council
Type
Permission
Site
189 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

SD26B/0112W is a planning application to South Dublin County Council for conversion of existing attic space comprising of modification of existing roof, received on 18 Mar 2026; permission was granted on 30 Apr 2026.

Planning details

Reference
SD26B/0112W
Local authority
South Dublin County Council
Status
Commenced · register status “Final Grant
Received
18 Mar 2026
Observations close
22 Apr 2026 (closed 145 days ago)
Decision due
12 May 2026 · decided 30 Apr 2026
Decision
Grant permission on 30 Apr 2026
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
189 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 53.35310, -6.41366

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 CN0144020SD
    6 Jul 202611 Liffey Glen, Lucan, Dublin, K78 X977matched 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.

  • NIAH-recorded building · 1
    Ballyowen Cottage
  • Radon risk area · 3
    About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 5 homes in this area is likely to have high radon levels; About 1 in 5 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 94449). 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/70002.

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