BuildableFree beta

Siemens Site

Former Siemens Site, Corner of Blackthorn Avenue and Ballymoss Road, Sandyford Industrial Estate, Dublin 18 · Blackthorn · Glencullen-Sandyford · Dún Laoghaire-Rathdown

190 homes permitted, not started. 190 homes granted 31 Mar 2022, expires 28 Nov 2030

Site area
0.50 ha (1.23 acres)
Zoning
M5
Homes permitted
190, permission to 28 Nov 2030
Get an email when anything changes on this site.
Open full site page →

Watch this site to get an email when anything changes: a new application, a decision or a deadline. The full site page adds the score, what could be built, a land value and who to talk to.

Why this site

  • Permitted, not started· live grant, no commencement notice
    190 homes permitted, not started · 190 homes granted 31 Mar 2022, expires 28 Nov 2030 · 31 Mar 2022 · source

Planning on this site

  • ABP-311722 · Permitted, not started · 190 homes · granted 31 Mar 2022 · expires 28 Nov 2030
  • D25A/0788/WEB · grant permission · lodged 17 Oct 2025
  • ABP31172221/E · grant extension of duration of perm. · lodged 8 Oct 2025
  • ABP31172221 · grant permission · lodged 21 Oct 2021
  • ABP31177221 · lodged 21 Oct 2021
  • D21A/0295 · refuse permission · lodged 8 Apr 2021
  • ABP30594019 · grant permission · lodged 19 Nov 2019
  • D18A/1210 · grant permission · lodged 20 Dec 2018
  • D18A/1003 · refuse permission · lodged 25 Oct 2018

Planning applications within 500 m (on Planning Register)

Who owns it

The registered owner is on the Land Registry folio. Search the map on landdirect.ie at 53.27883, -6.21095 and buy a copy of the folio: €5 online, and it names the owner and any charge on the land. Most Dublin land is registered; older unregistered titles are in the Registry of Deeds.

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.

Planning around the site, deadlines, zoning and constraints in full

Planning on and around the site

Radius m
250

Near

Years
5
Total
36

Appeals

Total
6
Tagged
5

Inspector recommendations are shown only where the inspector's report has been read and tagged; "not extracted" is not the same as "no recommendation". Sources: npad, 25 Sept 2026; acp, 25 Sept 2026; bcms, 24 Sept 2026

Deadlines running

Radius m
250
Count
2

Clocks (2)

KindDeadline atDeadline kindSummaryDays leftBasis
decision28 Sept 2026appealD26A/0528/WEB: GRANT PERMISSION — The proposed development comprises the change of use of the existing permitted C3event
permission_expiry28 Nov 2030permission_expiryPermission ABP-311722 expires unless works start (s.40 PDA 2000)1,525signal

Deadlines are computed once, by the connector that saw the event, from the statutory rule; never estimated here. Sources: acp, 25 Sept 2026; consult, 24 Sept 2026; moderngov, 24 Sept 2026; npad, 25 Sept 2026; rzlt, 18 Sept 2026

Zoning and the RZLT map

Rzlt

Available
Yes
On site
No

Zones (2)

CodeLabelMeaningObjective textPlan idValid from
M5Mixed use — outer coreA mix of uses complementing a town centre, with less retail and residential than the core itself.Objective MOC: MOC To provide for a mix of uses. Which complements the inner core, but with less retail and residential and more emphasis on employment and s…DR-001:DP:county-development-plan-2022-20281 Apr 2022
M5Mixed use — outer coreA mix of uses complementing a town centre, with less retail and residential than the core itself.Objective MIC: MIC To consolidate and complete the development of the mixed use inner core to enhance and reinforce sustainable development.DR-001:DP:county-development-plan-2022-20281 Apr 2022

Objective text is quoted from the development plan as published on MyPlan (GZT). The plain-English line is our gloss. Sources: zoning, 19 Sept 2026; rzlt, 18 Sept 2026

Constraints

Available
Yes
Buffer m
50
Opw flood extent nearby
Yes
Opw flood map url
https://www.floodinfo.ie/map/floodmaps/

Kinds (1)

KindLabelCount
radonRadon risk area1

Flood extents are OPW data we may not redistribute: shown as a yes/no and a link to floodinfo.ie. Sources: constraints, 11 Sept 2026; constraints.flood_cfram, 11 Sept 2026; constraints.radon, 11 Sept 2026

Homes planned nearby

Radius m
1,000

Totals

Sites
10
Homes
1,716
Started
712
Sites started
4
Unbuilt
920
Sites unbuilt
5
Sites lapsing
0
Lapsed
84
Sites lapsed
1
Sites appealed
0
Started pct
41
Not started
920

As of

Computed at
2026-09-19T06:05:22+00:00
Sites in table
4,168

Sites (10)

SourceCouncilRefNameAddressUnits
applicationDLRLRD25A/0301/WEBBlackthorn Drive and Carmanhall RoadLands forming part of development generally known as Rockbrook located at the junction of Blackthorn Drive and Carmanhall Road,, Rockbrook Estate, Sandyford …428
shdDLRABP-311722Siemens SiteFormer Siemens Site, Corner of Blackthorn Avenue and Ballymoss Road, Sandyford Industrial Estate, Dublin 18. (www.siemenssiteshd.ie)190
applicationDLRLRD25A/0530/WEBAvid Technology siteFormer Avid Technology site, Corner of Blackthorn Road and Carmanhall Road, Sandyford, Dublin 18183
applicationDLRLRD25A/0372/WEBBalallyIn the townland of Balally, at the existing Balally Shopping Centre, Blackthorn Drive, Sandyford, Dublin 16100
applicationDLRD25A/0193/WEBSt. Annes ConventSt. Annes Convent, Kilmacud Road Upper, Kilmacud, Stillorgan, Co. Dublin, A94P5W619
shdDLRABP-305940Aldi SiteFormer Aldi Site, Carmanhall Road, Sandyford Business District, Dublin 18. (www.sandyfordcentralshd.ie)564
applicationDLRLRD23A/0505Block C at the former Allegro SiteThe Sentinel, Block C at the former Allegro Site, Blackthorn Drive, Sandyford Business Estate, Sandyford, Dublin 18.110
applicationDLRD22A/0475St Anne's ConventSt Anne's Convent, Kilmacud Road Upper, Kilmacud Stillorgan, Dublin, Co Dublin19
applicationDLRD25A/0200/WEBSt. Annes ConventSt. Annes Convent, Kilmacud Road Upper, Kilmacud, Stillorgan, Co. Dublin, A94P5W619
applicationDLRD18A/0785Beacon South Quarter mixed use schemeSite of the previously permitted Block B4 (c.0.33 ha) of the Beacon South Quarter mixed use scheme, located at the junction of Blackthorn Drive and Blackthor…84

Applicants (1)

NameSitesHomes
Palemink Limited1190

Grants of 10+ homes. "Unbuilt" means no commencement notice has been matched; "lapsing" expires within a year. Sources: bcms, 24 Sept 2026; npad, 25 Sept 2026

Public land nearby

Radius m
1,000

Council items (1)

CouncilCommitteeMeeting atItem noTitleKind
FINGALCounty Council8 Dec 2025F/526/25bNotice of proposed disposal of land at Clonard Road, Flemington, Balbriggan, Co. Dublin to Phoenix Tower Ireland III Limited, Suite 311, Q House, Furze Road,…s183_disposal

Sources: lda_lands, 11 Sept 2026; moderngov, 24 Sept 2026

Transport and schools

Radius m
1,000
Stop count
40
Facility count
3

Stops (10)

AgencyStop idNameDistance m
nta8250GA00297Stillorgan70.5
nta8250GA00298Stillorgan85.7
nta8250DB007057Stillorgan Luas148.5
nta8250DB000447Stillorgan Luas156.2
nta8250DB004847Blackthorn Drive177.3
nta8250DB000451Blackthorn Drive227.9
nta8250DB003181Carmanhall Road315.5
nta8250DB005142Sandyford Luas409
nta8250DB004457Ravenscourt Park437.6
nta8250GA00293Sandyford440.7

Schools (3)

KindRefNameCouncilDistance m
school_primary17470IST RAPHAELAS N SDLR523.4
school_postprimary60361VSt Raphaela's Secondary SchoolDLR605.1
school_postprimary60261RSt Benildus CollegeDLR949.1

Sources: gtfs, 18 Sept 2026; schools, 11 Sept 2026

Other sites nearby

Figures as of 25 Sept 2026. Sources: acp (25 Sept 2026); bcms (24 Sept 2026); constraints (11 Sept 2026); constraints.flood_cfram (11 Sept 2026); constraints.radon (11 Sept 2026); consult (24 Sept 2026); gtfs (18 Sept 2026); lda_lands (11 Sept 2026); moderngov (24 Sept 2026); npad (25 Sept 2026); parcels (11 Sept 2026); places (11 Sept 2026); rzlt (18 Sept 2026); schools (11 Sept 2026); zoning (19 Sept 2026).

More in Dún Laoghaire-Rathdown: development land · permitted, not started