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Blackrock-Williamstown planning applications

29 lodged in the last 12 months · 2 open for observation · Dún Laoghaire-Rathdown County Council · 1.1 km²

Data updated 30 Oct 2026 · register lag up to 7 days · sources & freshness

46.2
applications per 1,000 homes
74th of 322 Dublin areas
20%
household works
223rd of 258 Dublin areas
All areas →

Busier than most of Dún Laoghaire-Rathdown

  • Homes approved
  • Homes started
  • Not started yet
  • All approvals
  • Stopped builds
  • Derelict
About these numbers

498 homes approved here since Oct 2023 (council median 0). Since Oct 2023, against the middle of the 69 electoral divisions in Dún Laoghaire-Rathdown. Homes approved counts schemes of 10+ homes. Stopped builds started 3+ years ago and were never signed off as finished. From council planning decisions, building-start notices (BCMS) and derelict sites lists; updated weekly.

29
Applications
31
Decisions
22
Appeals
6
Building starts
3
Deadlines open

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Big developments in Blackrock-Williamstown largest named schemes

  • Merrion · Cairn Homes Properties Ltd. · received 14 Aug 2025
  • Merrion at · Cairn Homes Properties Ltd. · received 11 Aug 2025
  • Cross Avenue · 1 Players Land Limited · received 17 May 2024
  • Chesterfield · Cairn Homes Properties Limited · received 7 Apr 2022

All big developments in Dún Laoghaire-Rathdown County Council →

Deadlines in this place 3 still open

  • Appeal window closes 6 Nov 20267 days left
    D26A/0618/WEB — Applegreen, Stillorgan Road, Blackrock, Dublin, A94AN81
  • Observations close 9 Nov 202610 days left
    D26A/0739/WEB — Jordans Barbers, 115b Rock Road, Blackrock, Co Dublin
  • Observations close 16 Nov 202617 days left
    D26A/0763/WEB — Lands at and between, Carrickmines 220kV Substation, Ballyogan Road, Dublin 18, D18 X0D0 and,, Blackrock Park, Blackrock Park, Rock Road, Blackrock, Dublin.A94HWF6
Boundary: Tailte Éireann · Sources