62, Lansdowne Park, Knocklyon, D16RX61
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
SD25B/0037W is a planning application for permission at 62, Lansdowne Park, Knocklyon, D16RX61, received by South Dublin County Council on 31 Jan 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: 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. The council granted permission on 11 Mar 2025. The five-week observation window closed on 7 Mar 2025. A commencement notice (CN0139575SD) was lodged on 9 Mar 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 57 other decided applications in the last five years and 2 appeals.
Proposal
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.
- Status
- Final Grant
- Decision
- Grant permission on 11 Mar 2025
- Final grant
- 23 Apr 2025
- Permission expires
- 22 Apr 2030
- Floor area
- 56 m²
- Site (from polygon)
- 273 m²
- Location precision
- site (coords_polygon)
Timeline
- 31 Jan 2025New applicationObservation window closed 7 Mar 2025
- 11 Mar 2025DecisionAppeal window closed 8 Apr 2025
Full planning report for 53.29102, -6.31217
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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0139575SD
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
OPW flood extent nearby — flag only (licence); floodinfo.ie.
- NIAH-recorded building · 1
- Radon risk area · 2
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
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |