Derelict and unbuilt land in Dún Laoghaire
As of 25 Sep 2026, Dún Laoghaire (Dún Laoghaire-Rathdown) has 9 derelict sites, 567 homes permitted but not started and 578 ha zoned for housing with no permission. 22 building sites started work and did not finish and the council has put 2 land disposals to councillors.
9 Derelict sites
9 sites on the derelict sites register.
- DERELICT, OLD DUNLEARY HOUSE, DUN LAOGHAIRE, CO.DUBLIN · Register ref DS: 1714
- DERELICT, HARVEY NURSING HOME, GLENAGEARY ROAD UPPER, CO.DUBLIN · Register ref DS: 1705
- DERELICT, YORK HOUSE TIVOLI LODGE, YORK ROAD, CO.DUBLIN · Register ref DS 1450/51
- DERELICT, LARABEARG, TIVOLI ROAD NORTH, DUNLAOGHAIRE · Register ref DS: 1528
- DERELICT, 3 ALBERT ROAD UPPER, GLENAGEARY, CO.DUBLIN · Register ref DS 1544
- DERELICT, TORCA ROAD, DALKEY, CO.DUBLIN · Register ref DS: 1604
- DERELICT, 31 O'DONNELL GARDENS, GLENAGEARY, CO.DUBLIN · Register ref DS: 1622
- DERELICT, 17 PATRICK STREET, DUN LAOGHAIRE, CO.DUBLIN · Register ref DS: 1712
1 more in Dún Laoghaire-Rathdown →
The owner of a registered site pays a levy of 7% of its market value a year.
22 Stalled builds
22 sites started but not finished, 549 homes.
- Block B8 - Honeypark · 197 homes; commenced 11 Aug 2015, no completion certificate, planned end Aug 2016
- 27A Johnstown Road, Cabinteely, Dún Laoghaire-Rathdown · 50 homes; commenced 03 Nov 2020, no completion certificate, planned end Oct 2021
- 27A Johnstown Road, Cabinteely, Dún Laoghaire-Rathdown · 50 homes; commenced 06 Apr 2021, no completion certificate, planned end Mar 2022
- 27A Johnstown Road, Cabinteely · 50 homes; commenced 18 Feb 2020, no completion certificate, planned end Jun 2020
- 21 Johnstown Road, Cabinteely · 49 homes; commenced 14 Jun 2019, no completion certificate, planned end Sep 2019
- Prague, Johnstown Road, Dun Laoghaire · 49 homes; commenced 02 Aug 2019, no completion certificate, planned end Sep 2020
- Monkstown Grove Residential Development · 30 homes; commenced 03 Feb 2022, no completion certificate, planned end Mar 2022
- 39 Castle Park Road, Dalkey · 24 homes; commenced 25 Apr 2022, no completion certificate, planned end Aug 2022
6 Permitted, not started
567 homes with planning permission and no start, across 6 permissions.
- Lands adjoining Clonkeen College · 299 homes, expires 23 Dec 2026
- Sallynoggin Road · 99 homes granted 24 Sep 2025, expires 24 Sep 2030
- DERELICT, OLD DUNLEARY HOUSE, DUN LAOGHAIRE, CO.DUBLIN · 88 homes granted 16 Jul 2025, expires 16 Jul 2030
- Aclare Nursing Home · 49 homes granted 16 Jan 2024, expires 16 Jan 2029
- Former Dalkey Lodge Nursing home · 22 homes granted 05 Aug 2026, expires 05 Aug 2031
- No 3 Monaloe Crescent and garden of no 2 Monaloe Crescent · 10 homes granted 25 May 2023, expires 25 May 2028
1 Permission expired
1 permission expired recently without a start.
- Dalguise House . Monkstown Road · 298 homes, expired 25 Aug 2025
383 Zoned for housing, no permission
578 ha on the RZLT map with no live permission for 10 or more homes (383 parcels).
- Land in Dún Laoghaire · 28.1 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 14.2 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 9.8 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 9.4 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 8.8 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 8.1 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 7.8 ha, RZLT-liable and no live permission for 10+ homes on it
- Land in Dún Laoghaire · 7.8 ha, RZLT-liable and no live permission for 10+ homes on it
375 more in Dún Laoghaire-Rathdown →
Land on the map is liable for the Residential Zoned Land Tax, 3% of market value a year.
46 Public land
82.4 ha of publicly owned land (46 sites); the largest holder is Dun Laoghaire Rathdown County Council.
- Public land in Dún Laoghaire · 45.7 ha, Held by Dun Laoghaire Rathdown County Council
- Public land in Dún Laoghaire · 8.0 ha, Held by The Minister for Education and Skills
- Public land in Dún Laoghaire · 4.3 ha, Held by Dublin City Council
- Public land in Dún Laoghaire · 2.4 ha, Held by The Minister for Education and Skills
- Public land in Dún Laoghaire · 2.0 ha, Held by Dún Laoghaire-Rathdown County Council
- Public land in Dún Laoghaire · 1.6 ha, Held by Dublin City Council
- Public land in Dún Laoghaire · 1.5 ha, Held by Dublin City Council
- Public land in Dún Laoghaire · 1.3 ha, Held by Dublin and Dun laoghaire Education and Training Board
2 Council selling land
2 council land disposals put to councillors (section 183).
- Land in Dún Laoghaire · Notice dated 11 May 2026
- Land in Dún Laoghaire · Notice dated 11 May 2026
Open Dún Laoghaire on the map Every site in Dún Laoghaire
Questions about Dún Laoghaire
New 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.
Data as of 25 Sep 2026. Sources: Council derelict sites registers (Derelict Sites Act 1990); Commencement and completion notices (National Building Control Office); Planning applications (Department of Housing national planning data); Council Residential Zoned Land Tax maps; Land Development Agency, Register of Relevant Lands; Council meeting agendas (s.183 disposal notices).
Facts from public registers, gathered by Buildable (https://buildable.ie/land/dlr/13260409/report). Free to share and quote with a link. Not advice.