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.
From public registers, checked 25 Sep 2026. Updated nightly.
- 329On the RZLT map (3% land tax)
- 320On the RZLT map, no permission
- 74Publicly owned land
- 4Stalled build
- 2Permitted, not started
- 1Council selling land
- 1Permission expired
Sites in Ongar, the soonest to move first
Land in Ongar
Ongar · Fingal · source
Council selling land
Notice dated 13 Nov 2023
Hansfield
Ongar · Fingal · 5.82 ha · source
Permission expired
106 homes, expired 12 Oct 2025
Barnwell Way & Barnwell Lane, Hansfield, Dublin 15
Ongar · Fingal · 6.7 ha · source
Stalled build
146 homes; commenced 17 Apr 2015, no completion certificate, planned end Apr 2016
Land in Ongar
Ongar · Fingal · 6.7 ha · source
Stalled build
146 homes; commenced 16 Sep 2014, no completion certificate, planned end Mar 2015
Hansfield Phase 3: 9 houses
Ongar · Fingal · 6.7 ha · source
Stalled build
146 homes; commenced 19 Jun 2015, no completion certificate, planned end Mar 2016
Village Centre, Block C
Ongar · Fingal · 1.79 ha · source
Stalled build
59 homes; commenced 14 Apr 2021, no completion certificate, planned end Apr 2022
Barberstown
Ongar · Fingal · 29.59 ha · source
Permitted, not started
1243 homes granted 30 Mar 2023, expires 30 Mar 2033
Allendale House
Ongar · Fingal · 1.37 ha · source
Permitted, not started
56 homes granted 26 Aug 2025, expires 26 Aug 2030
Land in Ongar
Ongar · Fingal · 8.4 ha · source
On the RZLT map, no permission
8.4 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 5.03 ha · source
On the RZLT map, no permission
5.0 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 4.45 ha · source
On the RZLT map, no permission
4.5 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 4.15 ha · source
On the RZLT map, no permission
4.2 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 4.13 ha · source
On the RZLT map, no permission
4.1 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 4.06 ha · source
On the RZLT map, no permission
4.1 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 3.74 ha · source
On the RZLT map, no permission
3.7 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 3.66 ha · source
On the RZLT map, no permission
3.7 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 3.18 ha · source
On the RZLT map, no permission
3.2 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 3.15 ha · source
On the RZLT map, no permission
3.1 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 3.11 ha · source
On the RZLT map, no permission
3.1 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 2.99 ha · source
On the RZLT map, no permission
3.0 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 2.8 ha · source
On the RZLT map, no permission
2.8 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 2.73 ha · source
On the RZLT map, no permission
2.7 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 2.68 ha · source
On the RZLT map, no permission
2.7 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 2.66 ha · source
On the RZLT map, no permission
2.7 ha, RZLT-liable and no live permission for 10+ homes on it
Land in Ongar
Ongar · Fingal · 2.5 ha · source
On the RZLT map, no permission
2.5 ha, RZLT-liable and no live permission for 10+ homes on it
Showing 25 of 411. See them all →
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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.
- 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.
- How much zoned land in Ongar has no planning permission?
- 276 ha in Ongar is zoned for housing, on the RZLT map and has no live permission for 10 or more homes: 320 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: Planning applications (Department of Housing national planning data); Council derelict sites registers (Derelict Sites Act 1990); Council meeting agendas (s.183 disposal notices); Council Residential Zoned Land Tax maps; Land Development Agency, Register of Relevant Lands.
Cite this: How many development sites are there in Ongar? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/how-many-development-sites-ongar
Facts from public registers, not advice. Every question · How it works