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How much public land is there in Dún Laoghaire?

89.1 ha in Dún Laoghaire is on the Land Development Agency's register of relevant public land, across 66 sites, as of 25 Sep 2026. The largest holder is Dun Laoghaire Rathdown County Council, with 45.7 ha.

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

  • 45.7 haDun Laoghaire Rathdown County Council
  • 13.7 haDublin City Council
  • 11.5 haThe Minister for Education and Skills
  • 11.5 haDún Laoghaire-Rathdown County Council
  • 1.8 haHealth Service Executive

The largest public sites in Dún Laoghaire

  1. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 45.67 ha · source

    Publicly owned land

    45.7 ha, Held by Dun Laoghaire Rathdown County Council

  2. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 8.02 ha · source

    Publicly owned land

    8.0 ha, Held by The Minister for Education and Skills

  3. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 4.29 ha · source

    Publicly owned land

    4.3 ha, Held by Dublin City Council

  4. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 2.42 ha · source

    Publicly owned land

    2.4 ha, Held by The Minister for Education and Skills

  5. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 2.01 ha · source

    Publicly owned land

    2.0 ha, Held by Dún Laoghaire-Rathdown County Council

  6. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.56 ha · source

    Publicly owned land

    1.6 ha, Held by Dublin City Council

  7. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.47 ha · source

    Publicly owned land

    1.5 ha, Held by Dublin City Council

  8. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.34 ha · source

    Publicly owned land

    1.3 ha, Held by Dublin and Dun laoghaire Education and Training Board

  9. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.21 ha · source

    Publicly owned land

    1.2 ha, Held by Dún Laoghaire-Rathdown County Council

  10. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.19 ha · source

    Publicly owned land

    1.2 ha, Held by Córas Iompair Éireann

  11. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.14 ha · source

    Publicly owned land

    1.1 ha, Held by Health Service Executive

  12. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.09 ha · source

    Publicly owned land

    1.1 ha, Held by Dún Laoghaire-Rathdown County Council

  13. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.88 ha · source

    Publicly owned land

    0.9 ha, Held by Dún Laoghaire-Rathdown County Council

  14. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.85 ha · source

    Publicly owned land

    0.8 ha, Held by Dún Laoghaire-Rathdown County Council

  15. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.84 ha · source

    Publicly owned land

    0.8 ha, Held by Dún Laoghaire-Rathdown County Council

  16. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.7 ha · source

    Publicly owned land

    0.7 ha, Held by Dublin City Council

  17. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.66 ha · source

    Publicly owned land

    0.7 ha, Held by Dublin City Council

  18. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.62 ha · source

    Publicly owned land

    0.6 ha, Held by Dublin City Council

  19. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.59 ha · source

    Publicly owned land

    0.6 ha, Held by Dublin City Council

  20. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.55 ha · source

    Publicly owned land

    0.5 ha, Held by Dublin City Council

  21. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.54 ha · source

    Publicly owned land

    0.5 ha, Held by Dublin City Council

  22. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.53 ha · source

    Publicly owned land

    0.5 ha, Held by The Minister for Justice and Equality

  23. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.48 ha · source

    Publicly owned land

    0.5 ha, Held by Dún Laoghaire-Rathdown County Council

  24. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.42 ha · source

    Publicly owned land

    0.4 ha, Held by Dublin City Council

  25. Public land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.42 ha · source

    Publicly owned land

    0.4 ha, Held by Dublin City Council

Showing 25 of 66. 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 Dún Laoghaire

Is there development land for sale in Dún Laoghaire?
Buildable found 35 sites in Dún Laoghaire with a public sign they could come to market, as of 25 Sep 2026: 2 council sites proposed for sale, 2 sites with planning permission running out or recently expired, 9 derelict sites on the register and 22 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
How many development sites are there in Dún Laoghaire?
Buildable tracks 504 development sites in Dún Laoghaire, 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, 5 permitted schemes not started, 12 derelict sites, 2 council land sales and 22 stalled builds.
What are the largest development sites in Dún Laoghaire?
182 development sites in Dún Laoghaire are a hectare or larger, as of 25 Sep 2026. The largest is public land in Dún Laoghaire, at 45.7 ha (publicly owned land).
Where are the derelict sites in Dún Laoghaire?
Dún Laoghaire has 9 sites on the council's derelict sites register, as of 25 Sep 2026. The owner of a registered site pays a levy of 7% of its market value a year.

Data as of 25 Sep 2026. Sources: Land Development Agency, Register of Relevant Lands.

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

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