Development land in Blackrock
298 sites in Blackrock (Dún Laoghaire-Rathdown) have a public reason they could sell. Zoned residential with no live permission: 454.3 ha.
Derelict and unbuilt land in Blackrock
As of 26 Sep 2026, Blackrock (Dún Laoghaire-Rathdown) has 2 derelict sites, 365 homes permitted but not started and 454 ha zoned for housing with no permission. 15 building sites started work and did not finish.
The sites
Permitted, not startedAll in Dún Laoghaire-Rathdown →
Merrion
Blackrock · 2.77 ha · zoned R2
252 homes permitted, not started
Frascati Centre
Blackrock · Blackrock · 2.69 ha · zoned M3
98 homes permitted, not started
Priory Drive
Woodland · Blackrock · 0.14 ha · zoned R2
15 homes permitted, not started
Derelict siteAll in Dún Laoghaire-Rathdown →
Residential land at Newtown Blackrock
Blackrock · 2.37 ha · zoned R2
On the derelict sites register
On the RZLT map, no permissionOn the RZLT map (3% land tax)
DERELICT, 1 & 2 ANNAVILLE AVENUE, BLACKROCK, CO.DUBLIN
Stillorgan Park · Blackrock · zoned R2
On the derelict sites register
DERELICT, WAVERLY LODGE, 61 CARYSFORT AVENUE, BLACKROCK, CO.DUBLIN
Newtown Blackrock · Blackrock · zoned R2
On the derelict sites register
Stalled buildAll in Dún Laoghaire-Rathdown →
Dal Riada
Woodland · Blackrock · 0.41 ha · zoned R2
Stalled build
57 Waltham Terrace
Blackrock · Blackrock · 0.06 ha · zoned R2
Stalled build
ST. HELEN'S
Booterstown · Blackrock · 0.06 ha · zoned R2
Stalled build
25 Ardagh Drive Extension
Galloping Green North · Blackrock · 0.06 ha · zoned R2
Stalled build
Dublin, Dún Laoghaire-Rathdown
Rockfield · Blackrock · 4.56 ha · zoned R2
Stalled build
Hollypark AWP
Newpark · Blackrock · 2.68 ha · zoned S5
Stalled build
Aparto Montrose Student Accommodation - Refurbishment Works
Trimleston or Owenstown · Blackrock · 0.70 ha · zoned R2
Stalled build
Stillorgan Road, Dublin, Dún Laoghaire-Rathdown
Trimleston or Owenstown · Blackrock · 0.70 ha · zoned R2
Stalled build
31 Trimleston Avenue, Booterstown
Trimleston or Owenstown · Blackrock · 0.55 ha · zoned R2
Stalled build
External high level signage to existing building
Blackrock · Blackrock · 0.31 ha · zoned M3
Stalled build
Frascati Road, Blackrock, Dublin, Dún Laoghaire-Rathdown
Blackrock · 0.30 ha · zoned M3
Stalled build
Blackrock, Zurich House
Newtown Blackrock · Blackrock · 0.15 ha · zoned M3
Stalled build
On the RZLT map, no permissionAll in Dún Laoghaire-Rathdown →
Residential land at Blackrock
Blackrock · 20.06 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Trimleston or Owenstown
Blackrock · 15.52 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Stillorgan Park
Blackrock · 11.76 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Stillorgan Park
Blackrock · 10.25 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Kill of the Grange
Blackrock · 10.22 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Newpark
Blackrock · 9.76 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Galloping Green North
Blackrock · 8.72 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Blackrock
Blackrock · 8.64 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Stillorgan Grove
Blackrock · 7.71 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Newpark
Blackrock · 7.69 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Stillorgan Grove
Blackrock · 7.54 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Residential land at Stillorgan Grove
Blackrock · 7.44 ha · zoned R2
On the RZLT map, no permission
On the RZLT map (3% land tax)
Publicly owned landAll in Dún Laoghaire-Rathdown →
Public land at Newtown Blackrock
Blackrock · 2.11 ha · zoned G1
Publicly owned land
Public land at Deansgrange
Blackrock · 1.99 ha · zoned G1
Publicly owned land
Public land at Carysfort
Blackrock · 1.63 ha · zoned S1
Publicly owned land
Public land at Blackrock
Blackrock · 1.60 ha · zoned S1
Publicly owned land
Public land at Carysfort
Blackrock · 1.58 ha · zoned S1
Publicly owned land
Public land at Newtownpark
Blackrock · 1.38 ha · zoned G1
Publicly owned land
Public land at Newtown Blackrock
Blackrock · 1.37 ha · zoned S1
Publicly owned land
Public land at Newtown Blackrock
Blackrock · 1.33 ha · zoned G1
Publicly owned land
Public land at Newtownpark
Blackrock · 1.30 ha · zoned G1
Publicly owned land
Public land at Stillorgan Grove
Blackrock · 1.02 ha · zoned R2
Publicly owned land
Underused site
Public land at Deansgrange
Blackrock · 0.84 ha · zoned G1
Publicly owned land
Public land at Newtown Castlebyrn
Blackrock · 0.82 ha · zoned G1
Publicly owned land
On the RZLT map (3% land tax)All in Dún Laoghaire-Rathdown →
Residential land at Merrion
Blackrock · 18.88 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Williamstown
Blackrock · 6.35 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Rockfield
Blackrock · 4.36 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Woodland
Blackrock · 2.86 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Woodland
Blackrock · 2.83 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Newtown Blackrock
Blackrock · 2.52 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Seapoint or Templehill
Blackrock · 1.59 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Blackrock
Blackrock · 1.27 ha · zoned R2
On the RZLT map (3% land tax)
Residential land at Rockfield
Blackrock · 1.03 ha · zoned R2
On the RZLT map (3% land tax)
Underused site
Residential land at Blackrock
Blackrock · 0.46 ha · zoned R2
On the RZLT map (3% land tax)
Showing 52 of 298: the biggest of each kind. See every site on the map →
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.
Blackrock in numbers
- 365Homes permitted, not started
- 533.8Hectares zoned residential
- 128Commencement notices, last 12 months
Planning applications in Blackrock (every application and decision, on Planning Register)
Other areas in Dún Laoghaire-Rathdown
Figures as of 26 Sept 2026.