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What are the largest development sites in Glencullen-Sandyford?

171 development sites in Glencullen-Sandyford are a hectare or larger, as of 25 Sep 2026. The largest is public land in Glencullen-Sandyford, at 70.1 ha (publicly owned land).

From public registers, checked 25 Sep 2026. Updated nightly.

Sites of a hectare or more in Glencullen-Sandyford, largest first

  1. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 70.15 ha · source

    Publicly owned land

    70.1 ha, Held by Horse Racing Ireland

  2. Kilternan Centre of Excellence forEquine Breeding and Training

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 37.74 ha · source

    Stalled build

    commenced 16 Dec 2020, no completion certificate, planned end Aug 2022

  3. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 30.08 ha · source

    Publicly owned land

    30.1 ha, Held by Dublin City Council

  4. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 30 ha · source

    Publicly owned land

    30.0 ha, Held by Dublin City Council

  5. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 26.42 ha · source

    Publicly owned land

    26.4 ha, Held by Dublin City Council

  6. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 24.21 ha · source

    Publicly owned land

    24.2 ha, Held by The Industrial Development Authority

  7. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 18.33 ha · source

    On the RZLT map (3% land tax)

    18.3 ha, On the 2027 draft RZLT map

  8. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 17.33 ha · source

    Publicly owned land

    17.3 ha, Held by Dublin City Council

  9. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 16.07 ha · source

    On the RZLT map, no permission

    16.1 ha, RZLT-liable and no live permission for 10+ homes on it

  10. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 14.78 ha · source

    Publicly owned land

    14.8 ha, Held by Central Bank of Ireland

  11. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 14.35 ha · source

    Publicly owned land

    14.3 ha, Held by Horse Racing Ireland

  12. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 12.36 ha · source

    On the RZLT map (3% land tax)

    12.4 ha, On the 2027 draft RZLT map

  13. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 12.24 ha · source

    Publicly owned land

    12.2 ha, Held by Horse Racing Ireland

  14. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 11.92 ha · source

    On the RZLT map (3% land tax)

    11.9 ha, On the 2027 draft RZLT map

  15. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 11.6 ha · source

    On the RZLT map, no permission

    11.6 ha, RZLT-liable and no live permission for 10+ homes on it

  16. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 10.51 ha · source

    On the RZLT map (3% land tax)

    10.5 ha, On the 2027 draft RZLT map

  17. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 10.21 ha · source

    Publicly owned land

    10.2 ha, Held by Dublin City Council

  18. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 9.77 ha · source

    On the RZLT map, no permission

    9.8 ha, RZLT-liable and no live permission for 10+ homes on it

  19. Glencairn - infrastructure works

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 9.63 ha · source

    Stalled build

    commenced 29 Aug 2019, no completion certificate, planned end May 2020

  20. Glencairn House- Infrastructure works and boundary walls

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 9.63 ha · source

    Stalled build

    commenced 13 Aug 2020, no completion certificate, planned end Dec 2020

  21. Glencairn road- infrastructure works

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 9.63 ha · source

    Stalled build

    commenced 27 Jul 2020, no completion certificate, planned end Oct 2020

  22. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 8.55 ha · source

    On the RZLT map (3% land tax)

    8.5 ha, On the 2027 draft RZLT map

  23. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 8.52 ha · source

    Publicly owned land

    8.5 ha, Held by Dublin City Council

  24. Land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 8.33 ha · source

    On the RZLT map, no permission

    8.3 ha, RZLT-liable and no live permission for 10+ homes on it

  25. Public land in Glencullen-Sandyford

    Glencullen-Sandyford · Dún Laoghaire-Rathdown · 8.31 ha · source

    Publicly owned land

    8.3 ha, Held by Dublin City Council

Showing 25 of 171. See them all →

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The week's new sites: permission running out, council selling land, derelict or stalled. Each with its source. Free while in beta.

More about Glencullen-Sandyford

Is there development land for sale in Glencullen-Sandyford?
Buildable found 44 sites in Glencullen-Sandyford with a public sign they could come to market, as of 25 Sep 2026: 3 sites with planning permission running out or recently expired 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 Glencullen-Sandyford?
Buildable tracks 501 development sites in Glencullen-Sandyford, 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, 12 permitted schemes not started and 41 stalled builds.
How much land in Glencullen-Sandyford is on the RZLT map?
422 ha of land in Glencullen-Sandyford is on the Residential Zoned Land Tax map, across 315 parcels (2027 draft RZLT map), as of 25 Sep 2026. 312 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 Glencullen-Sandyford has no planning permission?
312 ha in Glencullen-Sandyford is zoned for housing, on the RZLT map and has no live permission for 10 or more homes: 291 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 Glencullen-Sandyford? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/largest-development-sites-glencullen-sandyford

Facts from public registers, not advice. Every question · How it works