How many homes have planning permission but haven't started in Tallaght South?
546 homes in Tallaght South have planning permission but no start recorded, across 5 permissions, as of 25 Sep 2026. 421 of those homes are on permissions that expire within a year.
From public registers, checked 25 Sep 2026. Updated nightly.
- 546Homes not started
- 5Permissions
- 421Expiring within a year
The largest permitted schemes not started in Tallaght South
Cooldown Commons and Fortunestown
Tallaght South · South Dublin · 0.11 ha · source
Permission running out
421 homes, expires 10 Aug 2027
Citywest Road
Tallaght South · South Dublin · 0.2 ha · source
Permitted, not started
90 homes granted 25 Mar 2025, expires 24 Mar 2030
Gordon Park
Tallaght South · South Dublin · 0.24 ha · source
Permitted, not started
13 homes granted 03 May 2023, expires 03 May 2028
Citywest Village
Tallaght South · South Dublin · 0.22 ha · source
Permitted, not started
12 homes granted 02 Sep 2025, expires 01 Sep 2030
Combined sites of 'The Priory' and 'Leabeg'
Tallaght South · South Dublin · 0.59 ha · source
Permitted, not started
10 homes granted 06 Dec 2023, expires 06 Dec 2028
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More about Tallaght South
- Is there development land for sale in Tallaght South?
- Buildable found 13 sites in Tallaght South with a public sign they could come to market, as of 25 Sep 2026: 2 sites with planning permission running out or recently expired, 2 derelict sites on the register and 9 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
- How many development sites are there in Tallaght South?
- Buildable tracks 271 development sites in Tallaght South, 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 1 permission running out, 4 permitted schemes not started, 3 derelict sites and 9 stalled builds.
- What are the largest development sites in Tallaght South?
- 34 development sites in Tallaght South are a hectare or larger, as of 25 Sep 2026. The largest is land in Tallaght South, at 21.9 ha (on the rzlt map, no permission).
- How much land in Tallaght South is on the RZLT map?
- 88.9 ha of land in Tallaght South is on the Residential Zoned Land Tax map, across 184 parcels (2027 draft RZLT map), as of 25 Sep 2026. 68.3 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: How many homes have planning permission but haven't started in Tallaght South? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/homes-permitted-not-built-tallaght-south
Facts from public registers, not advice. Every question · How it works