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How much public land is there in Ongar?

55.6 ha in Ongar is on the Land Development Agency's register of relevant public land, across 74 sites, as of 25 Sep 2026. The largest holder is Fingal County Council, with 34.8 ha.

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

  • 34.8 haFingal County Council
  • 15.8 haThe Minister for Education and Skills
  • 2.0 haCóras Iompair Éireann
  • 1.9 haDublin City Council
  • 1.0 haMeath County Council

The largest public sites in Ongar

  1. Public land in Ongar

    Ongar · Fingal · 4.6 ha · source

    Publicly owned land

    4.6 ha, Held by Fingal County Council

  2. Public land in Ongar

    Ongar · Fingal · 3.29 ha · source

    Publicly owned land

    3.3 ha, Held by The Minister for Education and Skills

  3. Public land in Ongar

    Ongar · Fingal · 3.1 ha · source

    Publicly owned land

    3.1 ha, Held by Fingal County Council

  4. Public land in Ongar

    Ongar · Fingal · 2.79 ha · source

    Publicly owned land

    2.8 ha, Held by Fingal County Council

  5. Public land in Ongar

    Ongar · Fingal · 2.66 ha · source

    Publicly owned land

    2.7 ha, Held by The Minister for Education and Skills

  6. Public land in Ongar

    Ongar · Fingal · 2.27 ha · source

    Publicly owned land

    2.3 ha, Held by The Minister for Education and Skills

  7. Public land in Ongar

    Ongar · Fingal · 2.17 ha · source

    Publicly owned land

    2.2 ha, Held by Fingal County Council

  8. Public land in Ongar

    Ongar · Fingal · 2.12 ha · source

    Publicly owned land

    2.1 ha, Held by The Minister for Education and Skills

  9. Public land in Ongar

    Ongar · Fingal · 1.87 ha · source

    Publicly owned land

    1.9 ha, Held by Fingal County Council

  10. Public land in Ongar

    Ongar · Fingal · 1.6 ha · source

    Publicly owned land

    1.6 ha, Held by Fingal County Council

  11. Public land in Ongar

    Ongar · Fingal · 1.58 ha · source

    Publicly owned land

    1.6 ha, Held by Fingal County Council

  12. Public land in Ongar

    Ongar · Fingal · 1.55 ha · source

    Publicly owned land

    1.6 ha, Held by Dublin City Council

  13. Public land in Ongar

    Ongar · Fingal · 1.34 ha · source

    Publicly owned land

    1.3 ha, Held by Fingal County Council

  14. Public land in Ongar

    Ongar · Fingal · 1.27 ha · source

    Publicly owned land

    1.3 ha, Held by The Minister for Education and Skills

  15. Public land in Ongar

    Ongar · Fingal · 1.26 ha · source

    Publicly owned land

    1.3 ha, Held by The Minister for Education and Skills

  16. Public land in Ongar

    Ongar · Fingal · 1.02 ha · source

    Publicly owned land

    1.0 ha, Held by Fingal County Council

  17. Public land in Ongar

    Ongar · Fingal · 1.01 ha · source

    Publicly owned land

    1.0 ha, Held by Fingal County Council

  18. Public land in Ongar

    Ongar · Fingal · 0.98 ha · source

    Publicly owned land

    1.0 ha, Held by Córas Iompair Éireann

  19. Public land in Ongar

    Ongar · Fingal · 0.96 ha · source

    Publicly owned land

    1.0 ha, Held by Fingal County Council

  20. Public land in Ongar

    Ongar · Fingal · 0.87 ha · source

    Publicly owned land

    0.9 ha, Held by The Minister for Education and Skills

  21. Public land in Ongar

    Ongar · Fingal · 0.85 ha · source

    Publicly owned land

    0.9 ha, Held by Fingal County Council

  22. Public land in Ongar

    Ongar · Fingal · 0.83 ha · source

    Publicly owned land

    0.8 ha, Held by Fingal County Council

  23. Public land in Ongar

    Ongar · Fingal · 0.8 ha · source

    Publicly owned land

    0.8 ha, Held by Fingal County Council

  24. Public land in Ongar

    Ongar · Fingal · 0.77 ha · source

    Publicly owned land

    0.8 ha, Held by Meath County Council

  25. Public land in Ongar

    Ongar · Fingal · 0.76 ha · source

    Publicly owned land

    0.8 ha, Held by The Minister for Education and Skills

Showing 25 of 74. See them all →

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New development sites in Fingal, 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 Ongar

Is there development land for sale in Ongar?
Buildable found 6 sites in Ongar with a public sign they could come to market, as of 25 Sep 2026: 1 council site proposed for sale, 1 site with planning permission running out or recently expired and 4 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
How many development sites are there in Ongar?
Buildable tracks 411 development sites in Ongar, 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 permitted schemes not started, 1 council land sale and 4 stalled builds.
What are the largest development sites in Ongar?
108 development sites in Ongar are a hectare or larger, as of 25 Sep 2026. The largest is Barberstown, at 29.6 ha (permitted, not started).
How much land in Ongar is on the RZLT map?
306 ha of land in Ongar is on the Residential Zoned Land Tax map, across 329 parcels (2027 draft RZLT map), as of 25 Sep 2026. 276 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 Ongar? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/public-land-ongar

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