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How much public land is there in Stillorgan?

75.0 ha in Stillorgan is on the Land Development Agency's register of relevant public land, across 54 sites, as of 25 Sep 2026. The largest holder is Irish Water, with 21.3 ha.

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

  • 21.3 haIrish Water
  • 19.7 haDublin City Council
  • 16.3 haNational University of Ireland
  • 13.0 haDún Laoghaire-Rathdown County Council
  • 2.1 haHealth Service Executive

The largest public sites in Stillorgan

  1. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 10.37 ha · source

    Publicly owned land

    10.4 ha, Held by Irish Water

  2. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 10 ha · source

    Publicly owned land

    10.0 ha, Held by Dún Laoghaire-Rathdown County Council

  3. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 8 ha · source

    Publicly owned land

    8.0 ha, Held by Irish Water

  4. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 6.25 ha · source

    Publicly owned land

    6.3 ha, Held by National University of Ireland

  5. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 4.42 ha · source

    Publicly owned land

    4.4 ha, Held by National University of Ireland

  6. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 4.04 ha · source

    Publicly owned land

    4.0 ha, Held by National University of Ireland

  7. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 2.96 ha · source

    Publicly owned land

    3.0 ha, Held by Irish Water

  8. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 2.41 ha · source

    Publicly owned land

    2.4 ha, Held by Dún Laoghaire-Rathdown County Council

  9. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 2.15 ha · source

    Publicly owned land

    2.1 ha, Held by Dublin City Council

  10. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.83 ha · source

    Publicly owned land

    1.8 ha, Held by Dublin City Council

  11. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.82 ha · source

    Publicly owned land

    1.8 ha, Held by Health Service Executive

  12. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.34 ha · source

    Publicly owned land

    1.3 ha, Held by Dublin City Council

  13. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.21 ha · source

    Publicly owned land

    1.2 ha, Held by Dublin City Council

  14. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.18 ha · source

    Publicly owned land

    1.2 ha, Held by Dublin City Council

  15. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.03 ha · source

    Publicly owned land

    1.0 ha, Held by Dublin City Council

  16. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.02 ha · source

    Publicly owned land

    1.0 ha, Held by Dublin City Council

  17. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 1.01 ha · source

    Publicly owned land

    1.0 ha, Held by Dublin City Council

  18. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.98 ha · source

    Publicly owned land

    1.0 ha, Held by National University of Ireland

  19. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.94 ha · source

    Publicly owned land

    0.9 ha, Held by Dublin City Council

  20. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.93 ha · source

    Publicly owned land

    0.9 ha, Held by Railway Procurement Agency

  21. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.88 ha · source

    Publicly owned land

    0.9 ha, Held by Dublin City Council

  22. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.85 ha · source

    Publicly owned land

    0.8 ha, Held by Dublin City Council

  23. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.76 ha · source

    Publicly owned land

    0.8 ha, Held by Dublin City Council

  24. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.71 ha · source

    Publicly owned land

    0.7 ha, Held by Dublin City Council

  25. Public land in Stillorgan

    Stillorgan · Dún Laoghaire-Rathdown · 0.66 ha · source

    Publicly owned land

    0.7 ha, Held by National University of Ireland

Showing 25 of 54. See them all →

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New development sites in Dún Laoghaire-Rathdown, every Monday

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

More about Stillorgan

Is there development land for sale in Stillorgan?
Buildable found 27 sites in Stillorgan with a public sign they could come to market, as of 25 Sep 2026: 5 sites with planning permission running out or recently expired, 2 derelict sites on the register and 20 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
How many development sites are there in Stillorgan?
Buildable tracks 359 development sites in Stillorgan, 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 3 permissions running out, 7 permitted schemes not started, 2 derelict sites and 20 stalled builds.
What are the largest development sites in Stillorgan?
172 development sites in Stillorgan are a hectare or larger, as of 25 Sep 2026. The largest is land in Stillorgan, at 22.6 ha (on the rzlt map (3% land tax)).
How much land in Stillorgan is on the RZLT map?
573 ha of land in Stillorgan is on the Residential Zoned Land Tax map, across 271 parcels (2027 draft RZLT map), as of 25 Sep 2026. 464 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: Land Development Agency, Register of Relevant Lands.

Cite this: How much public land is there in Stillorgan? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/public-land-stillorgan

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