Planning Register
Dún Laoghaire-Rathdown County Council · D26A/0019/WEB · Permission

57, South Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A7P1

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

Council received 16 Jan 2026We first saw it 11 Sept 2026, 15:18 (239 days after receipt — sources refresh weekly)

D26A/0019/WEB is a planning application for permission at 57, South Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A7P1, received by Dún Laoghaire-Rathdown County Council on 16 Jan 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: a) demolition of existing (single storey) garage/kitchen extension to side and… The council granted permission on 11 Mar 2026. The five-week observation window closed on 20 Feb 2026. The site is zoned R2 — existing residential under the Dún Laoghaire-Rathdown County Council development plan. Within 500 m there are 142 other decided applications in the last five years and 19 appeals.

Appeal window closes 8 Apr 2026 closed 157 days ago
4 weeks from the council's decision (11 Mar 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer)
Council registerSite report

Proposal

a) demolition of existing (single storey) garage/kitchen extension to side and

The description is truncated at source (80 characters in the national feed). The full text is on the council register.

Status
Final Grant
Decision
Grant permission on 11 Mar 2026
Final grant
15 Apr 2026
Site (from polygon)
443 m²
Location precision
site (coords_polygon)

Timeline

  • 16 Jan 2026
    New application
    Observation window closed 20 Feb 2026
  • 11 Mar 2026
    Decision
    Appeal window closed 8 Apr 2026

Around this site this application first, then everything within 500 m

Explore from hereFull reportWatch
Click a dot to open its row.
Loading planning applications…
Detail from the 1837 Ordnance Survey six-inch map: townland boundaries, field patterns and roads
Full report
Freeduring launch · PDF or print
OS six-inch sheet, 1837 · public domain
Full report · within 0.5 km of the pin

Full planning report for 53.29164, -6.20991

One document, every dataset, each section with its source and fetch time. Print it or download it as a PDF. It informs a planning search; it is not a statutory search.

Freeduring launch

1 Where this is — preview

1 Deadlines still open

Full reportFree while we launch — no account, no payment. Open it on screen or download the PDF.

Appeal

Not appealed.

Commencement

No commencement notice matched to this reference.

    Zoning at the site

    R2 — Existing residential

    Objective A: A To provide residential development and improve residential amenity while protecting the existing 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.

    R2.6 — Existing residential

    Objective A: A To provide residential development and improve residential amenity while protecting the existing 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.

    • 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
    • Record of Protected Structures · 1
      Thornhill House

    Provenance

    Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 15:18 (store id 16762). 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/dunlaoghaire/application-details/?ref=D26A/0019/WEB.

    Source: npad · fetched 11 Sept 2026, 15:18
    SourceLicenceFetchedLink
    npadCC-BY-4.011 Sept 2026, 15:18open