Which planning permissions in Blanchardstown, Castleknock and Ongar have expired recently?
2 planning permissions in Blanchardstown, Castleknock and Ongar for 316 homes expired recently without a start, as of 25 Sep 2026. The land keeps its zoning, so a new application is often the next step, and some owners sell instead.
From public registers, checked 25 Sep 2026. Updated nightly.
- 2Permissions
- 316Homes
Expired permissions in Blanchardstown, Castleknock and Ongar, most recent first
Brady's Public House
Blanchardstown-Mulhuddart · Fingal · 0.32 ha · source
Permission expired
210 homes, expired 3 Dec 2025
Hansfield
Ongar · Fingal · 5.82 ha · source
Permission expired
106 homes, expired 12 Oct 2025
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More about Blanchardstown, Castleknock and Ongar
- Is there development land for sale in Blanchardstown, Castleknock and Ongar?
- Buildable found 62 sites in Blanchardstown, Castleknock and Ongar with a public sign they could come to market, as of 25 Sep 2026: 26 council sites proposed for sale, 2 sites with planning permission running out or recently expired, 2 derelict sites on the register and 41 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
- How many development sites are there in Blanchardstown, Castleknock and Ongar?
- Buildable tracks 1,663 development sites in Blanchardstown, Castleknock and Ongar, as of 25 Sep 2026: every site with a public reason it could be built on or sold, from the councils' and national registers. They include 9 permitted schemes not started, 13 derelict sites, 32 council land sales and 41 stalled builds.
- What are the largest development sites in Blanchardstown, Castleknock and Ongar?
- 484 development sites in Blanchardstown, Castleknock and Ongar are a hectare or larger, as of 25 Sep 2026. The largest is public land in Blanchardstown-Mulhuddart, at 38.9 ha (publicly owned land).
- How much land in Blanchardstown, Castleknock and Ongar is on the RZLT map?
- 1,104 ha of land in Blanchardstown, Castleknock and Ongar is on the Residential Zoned Land Tax map, across 1,093 parcels (2027 draft RZLT map), as of 25 Sep 2026. 991 ha of it has no live permission for 10 or more homes. The tax is 3% of market value a year, collected by Revenue on maps the councils make.
Data as of 25 Sep 2026. Sources: Planning applications (Department of Housing national planning data).
Cite this: Which planning permissions in Blanchardstown, Castleknock and Ongar have expired recently? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/expired-planning-permissions-dublin-15
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