How many homes have planning permission but haven't started in Stillorgan?
930 homes in Stillorgan have planning permission but no start recorded, across 10 permissions, as of 25 Sep 2026. 577 of those homes are on permissions that expire within a year.
From public registers, checked 25 Sep 2026. Updated nightly.
- 930Homes not started
- 10Permissions
- 577Expiring within a year
The largest permitted schemes not started in Stillorgan
Brewery Road and Leopardstown Road
Stillorgan · Dún Laoghaire-Rathdown · 2.71 ha · source
Permission running out
463 homes, expires 13 Apr 2027
Mount Anville Lands
Stillorgan · Dún Laoghaire-Rathdown · 2.56 ha · source
Permitted, not started
114 homes granted 01 Aug 2024, expires 01 Aug 2029
'The Grange'
Stillorgan · Dún Laoghaire-Rathdown · 1.85 ha · source
Permission running out
102 homes, expires 2 Jun 2027
Fosters Avenue
Stillorgan · Dún Laoghaire-Rathdown · 0.65 ha · source
Permitted, not started
68 homes granted 18 Mar 2025, expires 18 Mar 2030
Old Bray Road
Stillorgan · Dún Laoghaire-Rathdown · 0.33 ha · source
Permitted, not started
49 homes granted 08 Aug 2024, expires 08 Aug 2029
Brighton Grove
Stillorgan · Dún Laoghaire-Rathdown · 0.78 ha · source
Permitted, not started
48 homes granted 26 Mar 2025, expires 26 Mar 2030
1 The Hill
Stillorgan · Dún Laoghaire-Rathdown · 0.28 ha · source
Permitted, not started
41 homes granted 13 Oct 2025, expires 13 Oct 2030
St. Annes Convent
Stillorgan · Dún Laoghaire-Rathdown · 0.26 ha · source
Permitted, not started
19 homes granted 24 Sep 2025, expires 24 Sep 2030
Rockall
Stillorgan · Dún Laoghaire-Rathdown · 0.72 ha · source
Permitted, not started
14 homes granted 05 Feb 2026, expires 05 Feb 2031
Fey Yerra
Stillorgan · Dún Laoghaire-Rathdown · 0.5 ha · source
Permission running out
12 homes, expires 16 Sep 2027
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More about Stillorgan
- Is there development land for sale in Stillorgan?
- Buildable found 27 sites in Stillorgan with a public sign they could come to market, as of 25 Sep 2026: 5 sites with planning permission running out or recently expired, 2 derelict sites on the register and 20 stalled builds. These come from public registers, not agents' listings, so many are not advertised yet.
- How many development sites are there in Stillorgan?
- Buildable tracks 330 development sites in Stillorgan, 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 3 permissions running out, 7 permitted schemes not started, 2 derelict sites and 20 stalled builds.
- What are the largest development sites in Stillorgan?
- 168 development sites in Stillorgan are a hectare or larger, as of 25 Sep 2026. The largest is land in Stillorgan, at 22.6 ha (on the rzlt map (3% land tax)).
- How much land in Stillorgan is on the RZLT map?
- 573 ha of land in Stillorgan is on the Residential Zoned Land Tax map, across 271 parcels (2027 draft RZLT map), as of 25 Sep 2026. 464 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.
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 Stillorgan? Buildable, data as of 25 Sep 2026. https://buildable.ie/q/homes-permitted-not-built-stillorgan
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