Planning Register
South Dublin County Council · SD20B/0303 · Permission

43, Mount Alton, Dublin 16

Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness

Council received 24 Aug 2020We first saw it 11 Sept 2026, 18:51 (2210 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

SD20B/0303 is a planning application for permission at 43, Mount Alton, Dublin 16, received by South Dublin County Council on 24 Aug 2020 and first seen by Planning Register on 11 Sept 2026. The application describes: Demolition of existing chimney and sunroom to rear of existing dwelling; construction of single-storey extension with rooflight to rear; two storey extension to side of dwelling with garage doors, dormer window to front and rooflights; single storey extension to front of dwelling; alterations to existing fenestration and material finish to front and side of existing dwelling, including new roof finish; attic conversion with dormer windows and rooflights to front and rear; widening of existing vehicular entrance to 3.5m and all associated site works. The council granted permission on 16 Oct 2020. The five-week observation window closed on 28 Sept 2020. A commencement notice (CN0116229SD) was lodged on 17 Jun 2024, 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 58 other decided applications in the last five years and 5 appeals.

Appeal window closes 13 Nov 2020 closed 2130 days ago
4 weeks from the council's decision (16 Oct 2020) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)

Proposal

Demolition of existing chimney and sunroom to rear of existing dwelling; construction of single-storey extension with rooflight to rear; two storey extension to side of dwelling with garage doors, dormer window to front and rooflights; single storey extension to front of dwelling; alterations to existing fenestration and material finish to front and side of existing dwelling, including new roof finish; attic conversion with dormer windows and rooflights to front and rear; widening of existing vehicular entrance to 3.5m and all associated site works.

Status
Decision
Decision
Grant permission on 16 Oct 2020
Final grant
23 Nov 2020
Floor area
132 m²
Site (from polygon)
825 m²
Location precision
site (coords_polygon)

Timeline

  • 24 Aug 2020
    New application
    Observation window closed 28 Sept 2020
  • 16 Oct 2020
    Decision
    Appeal window closed 13 Nov 2020

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Appeal

Not appealed.

Commencement

  • Opt out commencement notice CN0116229SD
    17 Jun 202443 Mount Alton, Farmhill, South Dublin, D16 K3K6matched 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 · 2
    Knocklyon House; Idrone
  • 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 111185). 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/59279.

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