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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 26 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.

From public registers, checked 26 Sep 2026. Updated nightly.

  • 2Council selling land
  • 2Permission running out or expired
  • 9Derelict site
  • 22Stalled build

Sites that could sell in Dún Laoghaire

  1. Lands adjoining Clonkeen College

    Dún Laoghaire · Dún Laoghaire-Rathdown · 3.36 ha · source

    Permission running out

    299 homes, expires 23 Dec 2026

  2. Land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Council selling land

    Notice dated 11 May 2026

  3. Land in Dún Laoghaire

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Council selling land

    Notice dated 11 May 2026

  4. Dalguise House . Monkstown Road

    Dún Laoghaire · Dún Laoghaire-Rathdown · 3.66 ha · source

    Permission expired

    298 homes, expired 25 Aug 2025

  5. DERELICT, LARABEARG, TIVOLI ROAD NORTH, DUNLAOGHAIRE

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS: 1528

  6. DERELICT, OLD DUNLEARY HOUSE, DUN LAOGHAIRE, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS: 1714

  7. DERELICT, HARVEY NURSING HOME, GLENAGEARY ROAD UPPER, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS: 1705

  8. DERELICT, 3 ALBERT ROAD UPPER, GLENAGEARY, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS 1544

  9. DERELICT, 31 O'DONNELL GARDENS, GLENAGEARY, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS: 1622

  10. DERELICT, YORK HOUSE TIVOLI LODGE, YORK ROAD, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS 1450/51

  11. DERELICT, TORCA ROAD, DALKEY, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS: 1604

  12. DERELICT, 17 PATRICK STREET, DUN LAOGHAIRE, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS: 1712

  13. DERELICT, 61 GEORGE'S STREET UPPER, DUN LAOGHAIRE, CO.DUBLIN

    Dún Laoghaire · Dún Laoghaire-Rathdown · source

    Derelict site

    Register ref DS 1725

  14. INSPECTION PROJECT - C01091

    Dún Laoghaire · Dún Laoghaire-Rathdown · 10.49 ha · source

    Stalled build

    commenced 01 Jun 2018, no completion certificate, planned end Sep 2018

  15. Expansion of current Pharmaceutical Manufacturing Facility

    Dún Laoghaire · Dún Laoghaire-Rathdown · 6.58 ha · source

    Stalled build

    commenced 25 Jan 2021, no completion certificate, planned end Jul 2021

  16. Blackrock College RFC

    Dún Laoghaire · Dún Laoghaire-Rathdown · 5.01 ha · source

    Stalled build

    commenced 10 Sep 2019, no completion certificate, planned end Nov 2019

  17. Adjacent to Castle Close, Dublin, South Dublin

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.36 ha · source

    Stalled build

    commenced 17 Jul 2020, no completion certificate, planned end Sep 2020

  18. Highline Project (2no additional floors)

    Dún Laoghaire · Dún Laoghaire-Rathdown · 1.33 ha · source

    Stalled build

    commenced 23 Aug 2020, no completion certificate, planned end Jan 2021

  19. 39 Castle Park Road, Dalkey

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.46 ha · source

    Stalled build

    24 homes; commenced 25 Apr 2022, no completion certificate, planned end Aug 2022

  20. Knocknagarm Demolition

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.4 ha · source

    Stalled build

    commenced 26 Aug 2019, no completion certificate, planned end Sep 2019

  21. Pottery Rd Business Park - 3rd Floor

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.34 ha · source

    Stalled build

    commenced 11 Jan 2019, no completion certificate, planned end May 2019

  22. 27A Johnstown Road, Cabinteely

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.31 ha · source

    Stalled build

    50 homes; commenced 18 Feb 2020, no completion certificate, planned end Jun 2020

  23. 27A Johnstown Road, Cabinteely, Dún Laoghaire-Rathdown

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.31 ha · source

    Stalled build

    50 homes; commenced 03 Nov 2020, no completion certificate, planned end Oct 2021

  24. 27A Johnstown Road, Cabinteely, Dún Laoghaire-Rathdown

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.31 ha · source

    Stalled build

    50 homes; commenced 06 Apr 2021, no completion certificate, planned end Mar 2022

  25. 21 Johnstown Road, Cabinteely

    Dún Laoghaire · Dún Laoghaire-Rathdown · 0.29 ha · source

    Stalled build

    49 homes; commenced 14 Jun 2019, no completion certificate, planned end Sep 2019

Showing 25 of 35. 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

How many development sites are there in Dún Laoghaire?
Buildable tracks 484 development sites in Dún Laoghaire, as of 26 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 26 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 26 Sep 2026. The owner of a registered site pays a levy of 7% of its market value a year.
Which derelict sites in Dún Laoghaire are also on the RZLT map?
2 derelict sites in Dún Laoghaire are also on the Residential Zoned Land Tax map, as of 26 Sep 2026. That land is zoned for housing, and its owners face the derelict sites levy (7% of market value a year) as well as the 3% land tax.

Data as of 26 Sep 2026. Sources: Council meeting agendas (s.183 disposal notices); Planning applications (Department of Housing national planning data); Council derelict sites registers (Derelict Sites Act 1990); Commencement and completion notices (National Building Control Office).

Cite this: Is there development land for sale in Dún Laoghaire? Buildable, data as of 26 Sep 2026. https://buildable.ie/q/development-land-for-sale-dun-laoghaire

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