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).
From public registers, checked 25 Sep 2026. Updated nightly.
Sites of a hectare or more in Tallaght South, largest first
Land in Tallaght South
Tallaght South · South Dublin · 21.89 ha · source
On the RZLT map, no permission
21.9 ha, RZLT-liable and no live permission for 10+ homes on it
Public land in Tallaght South
Tallaght South · South Dublin · 15.54 ha · source
Publicly owned land
15.5 ha, Held by Dublin City Council
Land in Tallaght South
Tallaght South · South Dublin · 7.32 ha · source
On the RZLT map (3% land tax)
7.3 ha, On the 2027 draft RZLT map
IC Design Lab expansion at Xilinx Citywest
Tallaght South · South Dublin · 6.55 ha · source
Stalled build
commenced 10 Apr 2019, no completion certificate, planned end Apr 2019
2020 Bianconi Avenue, Dublin, Dublin 24
Tallaght South · South Dublin · 6.55 ha · source
Stalled build
commenced 21 Jun 2019, no completion certificate, planned end Aug 2019
Public land in Tallaght South
Tallaght South · South Dublin · 6.08 ha · source
Publicly owned land
6.1 ha, Held by Dublin City Council
Public land in Tallaght South
Tallaght South · South Dublin · 5.65 ha · source
Publicly owned land
5.7 ha, Held by The Minister for Education and Skills
Public land in Tallaght South
Tallaght South · South Dublin · 5.15 ha · source
Publicly owned land
5.2 ha, Held by Dublin City Council
Public land in Tallaght South
Tallaght South · South Dublin · 3.88 ha · source
Publicly owned land
3.9 ha, Held by South Dublin County Council
Public land in Tallaght South
Tallaght South · South Dublin · 3.72 ha · source
Publicly owned land
3.7 ha, Held by The Minister for Education and Skills
Land in Tallaght South
Tallaght South · South Dublin · 3.66 ha · source
On the RZLT map (3% land tax)
3.7 ha, On the 2027 draft RZLT map
Public land in Tallaght South
Tallaght South · South Dublin · 2.98 ha · source
Publicly owned land
3.0 ha, Held by The Minister for Education and Skills
Co. Dublin
Tallaght South · South Dublin · 2.97 ha · source
Permission expired
45 homes, expired 5 Jul 2026
Land in Tallaght South
Tallaght South · South Dublin · 2.84 ha · source
On the RZLT map (3% land tax)
2.8 ha, On the 2027 draft RZLT map
Public land in Tallaght South
Tallaght South · South Dublin · 2.73 ha · source
Publicly owned land
2.7 ha, Held by South Dublin County Council
Fidelity Lakedrive
Tallaght South · South Dublin · 2.69 ha · source
Stalled build
commenced 09 Apr 2018, no completion certificate, planned end May 2018
Public land in Tallaght South
Tallaght South · South Dublin · 2.65 ha · source
Publicly owned land
2.7 ha, Held by South Dublin County Council
Public land in Tallaght South
Tallaght South · South Dublin · 2.59 ha · source
Publicly owned land
2.6 ha, Held by South Dublin County Council
Public land in Tallaght South
Tallaght South · South Dublin · 2.34 ha · source
Publicly owned land
2.3 ha, Held by The Minister for Education and Skills
Land in Tallaght South
Tallaght South · South Dublin · 2.25 ha · source
On the RZLT map (3% land tax)
2.3 ha, On the 2027 draft RZLT map
Public land in Tallaght South
Tallaght South · South Dublin · 2.02 ha · source
Publicly owned land
2.0 ha, Held by South Dublin County Council
Public land in Tallaght South
Tallaght South · South Dublin · 2 ha · source
Publicly owned land
2.0 ha, Held by South Dublin County Council
Land in Tallaght South
Tallaght South · South Dublin · 1.82 ha · source
On the RZLT map (3% land tax)
1.8 ha, On the 2027 draft RZLT map
Public land in Tallaght South
Tallaght South · South Dublin · 1.8 ha · source
Publicly owned land
1.8 ha, Held by The Minister for Education and Skills
Public land in Tallaght South
Tallaght South · South Dublin · 1.64 ha · source
Publicly owned land
1.6 ha, Held by South Dublin County Council
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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.
- 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.
- How much zoned land in Tallaght South has no planning permission?
- 68.3 ha in Tallaght South is zoned for housing, on the RZLT map and has no live permission for 10 or more homes: 169 parcels, as of 25 Sep 2026. Land on the map is liable for the Residential Zoned Land Tax of 3% of market value a year.
Data as of 25 Sep 2026. Sources: Council Residential Zoned Land Tax maps; Land Development Agency, Register of Relevant Lands; Planning applications (Department of Housing national planning data).
Cite this: What are the largest development sites in Tallaght South? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/largest-development-sites-tallaght-south
Facts from public registers, not advice. Every question · How it works