Which planning permissions in Dundrum are running out?
2 planning permissions in Dundrum, 125 homes in all, expire within a year with no start recorded, as of 25 Sep 2026. The next is Frankfort Castle (115 homes), on 20 Dec 2026. A permission lasts five years; an extension needs substantial works done before it expires.
From public registers, checked 25 Sep 2026. Updated nightly.
- 2Permissions
- 125Homes
Permissions in Dundrum, soonest to expire first
Frankfort Castle
Dundrum · Dún Laoghaire-Rathdown · 0.9 ha · source
Permission running out
115 homes, expires 20 Dec 2026
Barn Elms Estate
Dundrum · Dún Laoghaire-Rathdown · 0.77 ha · source
Permission running out
10 homes, expires 16 Mar 2027
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More about Dundrum
- Is there development land for sale in Dundrum?
- Buildable found 13 sites in Dundrum with a public sign they could come to market, as of 25 Sep 2026: 2 sites with planning permission running out or recently expired, 1 derelict site on the register and 10 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
- How many development sites are there in Dundrum?
- Buildable tracks 386 development sites in Dundrum, 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 2 permissions running out, 4 permitted schemes not started, 1 derelict site and 10 stalled builds.
- What are the largest development sites in Dundrum?
- 187 development sites in Dundrum are a hectare or larger, as of 25 Sep 2026. The largest is land in Dundrum, at 24.7 ha (on the rzlt map, no permission).
- How much land in Dundrum is on the RZLT map?
- 520 ha of land in Dundrum is on the Residential Zoned Land Tax map, across 335 parcels (2027 draft RZLT map), as of 25 Sep 2026. 472 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 Dundrum are running out? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/planning-permissions-expiring-dundrum
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