How many homes have planning permission but haven't started in Dún Laoghaire?
567 homes in Dún Laoghaire have planning permission but no start recorded, across 6 permissions, as of 25 Sep 2026. 299 of those homes are on permissions that expire within a year.
From public registers, checked 25 Sep 2026. Updated nightly.
- 567Homes not started
- 6Permissions
- 299Expiring within a year
The largest permitted schemes not started in Dún Laoghaire
Lands adjoining Clonkeen College
Dún Laoghaire · Dún Laoghaire-Rathdown · 3.36 ha · source
Permission running out
299 homes, expires 23 Dec 2026
Sallynoggin Road
Dún Laoghaire · Dún Laoghaire-Rathdown · 0.74 ha · source
Permitted, not started
99 homes granted 24 Sep 2025, expires 24 Sep 2030
DERELICT, OLD DUNLEARY HOUSE, DUN LAOGHAIRE, CO.DUBLIN
Dún Laoghaire · Dún Laoghaire-Rathdown · 0.74 ha · source
Permitted, not started
88 homes granted 16 Jul 2025, expires 16 Jul 2030
Aclare Nursing Home
Dún Laoghaire · Dún Laoghaire-Rathdown · 0.15 ha · source
Permitted, not started
49 homes granted 16 Jan 2024, expires 16 Jan 2029
Former Dalkey Lodge Nursing home
Dún Laoghaire · Dún Laoghaire-Rathdown · 0.42 ha · source
Permitted, not started
22 homes granted 05 Aug 2026, expires 05 Aug 2031
No 3 Monaloe Crescent and garden of no 2 Monaloe Crescent
Dún Laoghaire · Dún Laoghaire-Rathdown · 0.33 ha · source
Permitted, not started
10 homes granted 25 May 2023, expires 25 May 2028
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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
- 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 25 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.
- How many development sites are there in Dún Laoghaire?
- Buildable tracks 504 development sites in Dún Laoghaire, 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 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 25 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 25 Sep 2026. The owner of a registered site pays a levy of 7% of its market value a year.
Data as of 25 Sep 2026. Sources: Planning applications (Department of Housing national planning data).
Cite this: How many homes have planning permission but haven't started in Dún Laoghaire? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/homes-permitted-not-built-dun-laoghaire
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