Planning Register
Dublin City Council · WEB2938/25 · Permission

6 St. Joseph's Cottages, Blackhorse Avenue, Castleknock, Dublin 7

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

Council received 22 Aug 2025We first saw it 11 Sept 2026, 18:51 (386 days after receipt — sources refresh weekly)
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

WEB2938/25 is a planning application for permission at 6 St. Joseph's Cottages, Blackhorse Avenue, Castleknock, Dublin 7, received by Dublin City Council on 22 Aug 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The erection of a first floor extension (gross internal area 40sqm approximately) over existing single storey ground floor extension to rear of existing dwelling with front & rear dormers, to comprise new bedroom, bathroom, stair, landing & storage and ancillary site works. The council granted permission on 15 Oct 2025. The five-week observation window closed on 26 Sept 2025. The site is zoned null under the Dublin City Council development plan. Within 500 m there are 83 other decided applications in the last five years and 1 appeal.

Appeal window closes 12 Nov 2025 closed 304 days ago
4 weeks from the council's decision (15 Oct 2025) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Site report

Proposal

The erection of a first floor extension (gross internal area 40sqm approximately) over existing single storey ground floor extension to rear of existing dwelling with front & rear dormers, to comprise new bedroom, bathroom, stair, landing & storage and ancillary site works

Status
Decision Notice Issued
Decision
Grant permission on 15 Oct 2025
Final grant
20 Nov 2025
Site (from polygon)
254 m²
Location precision
site (coords_polygon)

Timeline

  • 22 Aug 2025
    New application
    Observation window closed 26 Sept 2025
  • 15 Oct 2025
    Decision
    Appeal window closed 12 Nov 2025

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Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

    Zoning at the site

    Zone Z1 - DEV PLAN 2022-2028

    R2 — Existing residential

    Z1: Sustainable Residential Neighbourhoods: To protect, provide and improve residential amenities.

    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 · 5
      Phoenix Park School; Constable's Lodge; Saint Vincent's Centre
    • Radon risk area · 1
      About 1 in 20 homes in this area is likely to have high radon levels
    • Recorded monument · 1
      R149567

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 73189). 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.

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