What are the largest development sites in Dublin?

Sites of a hectare or more in Dublin, largest first

1. Public land in Cabra-Glasnevin

   Cabra-Glasnevin · Dublin City · 257.2 ha · source

   Publicly owned land

   257 ha, Held by The Office of Public Works

2. Public land in North Inner City

   North Inner City · Dublin City · 184.64 ha · source

   Publicly owned land

   185 ha, Held by Dublin Port Company

3. Public land in Cabra-Glasnevin

   Cabra-Glasnevin · Dublin City · 160.04 ha · source

   Publicly owned land

   160 ha, Held by The Office of Public Works

4. Public land in Cabra-Glasnevin

   Cabra-Glasnevin · Dublin City · 150.44 ha · source

   Publicly owned land

   150 ha, Held by The Office of Public Works

5. Public land in Cabra-Glasnevin

   Cabra-Glasnevin · Dublin City · 142.23 ha · source

   Publicly owned land

   142 ha, Held by The Office of Public Works

6. 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

7. Land in Balbriggan

   Balbriggan · Fingal · 47.51 ha · source

   On the RZLT map (3% land tax)

   47.5 ha, On the 2027 draft RZLT map

8. Land in Swords

   Swords · Fingal · 47.44 ha · source

   On the RZLT map (3% land tax)

   47.4 ha, On the 2027 draft RZLT map

9. 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

10. Land in Howth-Malahide

    Howth-Malahide · Fingal · 44.33 ha · source

    On the RZLT map (3% land tax)

    44.3 ha, On the 2027 draft RZLT map

11. Public land in Clontarf

    Clontarf · Dublin City · 41.47 ha · source

    Publicly owned land

    41.5 ha, Held by Dublin City Council

12. Public land in Blanchardstown-Mulhuddart

    Blanchardstown-Mulhuddart · Fingal · 38.9 ha · source

    Publicly owned land

    38.9 ha, Held by The Industrial Development Authority

13. Portmarnock

    Howth-Malahide · Fingal · 38.44 ha · source

    Publicly owned land

    38.4 ha, Held by Fingal County Council

14. 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

15. Land in Killiney-Shankill

    Killiney-Shankill · Dún Laoghaire-Rathdown · 36.12 ha · source

    On the RZLT map, no permission

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

16. Pfizer Grangecastle Drug Substance 2 (DS2) Project

    Clondalkin · South Dublin · 35.7 ha · source

    Stalled build

    commenced 08 May 2023, no completion certificate, planned end Aug 2023

17. Pfizer Ireland Pharmaceuticals

    Clondalkin · South Dublin · 35.7 ha · source

    Stalled build

    commenced 30 Nov 2020, no completion certificate, planned end Feb 2022

18. Land in Rush-Lusk

    Rush-Lusk · Fingal · 35.49 ha · source

    On the RZLT map (3% land tax)

    35.5 ha, On the 2027 draft RZLT map

19. Public land in South West Inner City

    South West Inner City · Dublin City · 32.72 ha · source

    Publicly owned land

    32.7 ha, Held by Dublin City Council

20. Public land in Castleknock

    Castleknock · Fingal · 32.41 ha · source

    Publicly owned land

    32.4 ha, Held by The Office of Public Works

21. Public land in Blanchardstown-Mulhuddart

    Blanchardstown-Mulhuddart · Fingal · 31.27 ha · source

    Publicly owned land

    31.3 ha, Held by Fingal County Council

22. 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

23. Public land in Glencullen-Sandyford

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

    Publicly owned land

    30.0 ha, Held by Dublin City Council

24. Barberstown

    Ongar · Fingal · 29.59 ha · source

    Permitted, not started

    1243 homes granted 30 Mar 2023, expires 30 Mar 2033

25. Land in Lucan

    Lucan · South Dublin · 29.51 ha · source

    Permitted, not started

    1252 homes granted 31 Mar 2026, expires 31 Mar 2031

Showing 25 of 4,318. See them all →

Go further

• Open Dublin on the map
• What could I build on my land?

More about Dublin

Is there development land for sale in Dublin?

Buildable found 1,078 sites in Dublin with a public sign they could come to market, as of 25 Sep 2026: 161 council sites proposed for sale, 81 sites with planning permission running out or recently expired, 214 derelict sites on the register and 648 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.

How many development sites are there in Dublin?

Buildable tracks 14,502 development sites in Dublin, 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 32 permissions running out, 177 permitted schemes not started, 271 derelict sites, 184 council land sales and 648 stalled builds.

Where are the derelict sites in Dublin?

Dublin has 214 sites on the four councils' derelict sites registers, as of 25 Sep 2026. 45 of them list a market value, €16 million in total. The owner of a registered site pays a levy of 7% of its market value a year.

How much is the derelict sites levy in Dublin?

The derelict sites levy is 7% of a registered site's market value, every year. The four councils' registers list 214 sites; 45 show a market value, €16 million together, which at 7% is €1.1 million a year (as of 25 Sep 2026). Budget 2026 announced a Derelict Property Tax run by Revenue; it is not yet law.

• How many derelict sites in Dublin does the council own?
• Which derelict sites in Dublin are protected structures?
• Which derelict sites in Dublin are also on the RZLT map?
• Which part of Dublin has the most derelict sites?