PlanningRegister.ie
South Dublin County Council · SD25B/0037W

62, Lansdowne Park, Knocklyon, D16RX61

  1. 31 Jan 2025Received
  2. 11 Mar 2025Grant permission
  3. 23 Apr 2025Final grant
  4. 9 Mar 2026Commenced
  5. 22 Apr 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 · 11 Mar 2025
Council
South Dublin County Council
Type
Permission
Site
273 m²

What’s proposed

The development will consist of: 1. Demolition of the existing rear garden single storey conservatory and shed. 2. Construction of a single storey, flat roof rear extension, to consist of a dining and lounge area. 3. Construction of a new extended front entrance porch with tiled lean-to roof above. 4. Conversion of the attic space incorporating a new flat roof, rear facing dormer window, and a new front facing roof light, the attic is to be used as a home office and W.C. 5. Proposed increased width of existing vehicular access exiting on to Lansdowne Park, Knocklyon, Dublin 16, including the addition of hard surface to the existing front drive area. 6. General upgrade of the existing house at all floor levels to accommodate the proposed works including lowering the front living room window sill. 7. All drainage, structural and associated site works

SD25B/0037W is a planning application to South Dublin County Council for the development will consist of: 1. Demolition of the existing rear garden single storey, received on 31 Jan 2025; permission was granted on 11 Mar 2025.

Planning details

Reference
SD25B/0037W
Local authority
South Dublin County Council
Status
Commenced · register status “Final Grant
Received
31 Jan 2025
Observations close
7 Mar 2025 (closed 556 days ago)
Decision due
27 Mar 2025 · decided 11 Mar 2025
Decision
Grant permission on 11 Mar 2025
Proposed development
The development will consist of: 1. Demolition of the existing rear garden single storey conservatory and shed. 2. Construction of a single storey, flat roof rear extension, to consist of a dining and lounge area. 3. Construction of a new extended front entrance porch with tiled lean-to roof above. 4. Conversion of the attic space incorporating a new flat roof, rear facing dormer window, and a new front facing roof light, the attic is to be used as a home office and W.C. 5. Proposed increased width of existing vehicular access exiting on to Lansdowne Park, Knocklyon, Dublin 16, including the addition of hard surface to the existing front drive area. 6. General upgrade of the existing house at all floor levels to accommodate the proposed works including lowering the front living room window sill. 7. All drainage, structural and associated site works
As published by the register.
Site area
273 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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Full planning report for 53.29102, -6.31217

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

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0139575SD
    9 Mar 202662 Lansdowne Park, Knocklyon, South Dublin, D16 RX61matched 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.

  • NIAH-recorded building · 1
    Charleville House
  • 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 96660). 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/67630.

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