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Development land in Dún Laoghaire-Rathdown

2,501 sites in Dún Laoghaire-Rathdown have a public reason they could sell: a permission running out or never started, a derelict entry, a council land sale, a stalled build or the RZLT map.

Open Dún Laoghaire-Rathdown on the map →

New in Dún Laoghaire-Rathdown this week All changes →

By area

Sites to look at first

Permission running outAll in Dún Laoghaire-Rathdown →

  1. Brewery Road and Leopardstown Road

    Tipperstown · Stillorgan · 2.71 ha · zoned R2

    Permission for 463 homes runs out 13 Apr 2027

  2. Lands adjoining Clonkeen College

    Deansgrange · Dún Laoghaire · 3.36 ha · zoned S5

    Permission for 299 homes runs out 23 Dec 2026

  3. Frankfort Castle

    Churchtown Lower · Dundrum · 0.90 ha · zoned R2

    Permission for 115 homes runs out 20 Dec 2026

  4. Rocklawn

    Murphystown · Glencullen-Sandyford · 0.84 ha · zoned R2

    Permission for 112 homes runs out 10 Feb 2027

Permitted, not startedAll in Dún Laoghaire-Rathdown →

  1. Residential land at Churchtown Lower

    Dundrum · 9.69 ha · zoned R2

    934 homes permitted, not started

  2. Bray Golf Club Lands

    Ravenswell · Bray East · 8.83 ha

    586 homes permitted, not started

  3. Aiken's Village, Townland of Woodside and Kilgobbin

    Glencullen-Sandyford · 3.33 ha · zoned R2

    438 homes permitted, not started

  4. Blackthorn Drive and Carmanhall Road

    Glencullen-Sandyford · 1.75 ha · zoned M5

    428 homes permitted, not started

Permission expiredAll in Dún Laoghaire-Rathdown →

  1. Dalguise House . Monkstown Road

    Dún Laoghaire · 3.66 ha · zoned R2

    Permission for 298 homes expired unbuilt

  2. Mount Saint Mary's and Saint Joseph's

    Farranboley · Stillorgan · 1.60 ha · zoned R2

    Permission for 231 homes expired unbuilt

    Underused site

  3. 62 & 63 (Innisfree), Stepaside Lane

    Kilgobbin · Glencullen-Sandyford · 0.50 ha · zoned M3

    Permission for 29 homes expired unbuilt

  4. Killart

    Cornelscourt · Stillorgan · 0.42 ha · zoned R2

    Permission for 19 homes expired unbuilt

    Underused site

Council selling landAll in Dún Laoghaire-Rathdown →

  1. Land at Dalkey

    Dún Laoghaire

    Council selling or leasing the land

  2. Land at Dalkey

    Dún Laoghaire

    Council selling or leasing the land

  3. Land at Townparks

    Balbriggan

    Council selling or leasing the land

Derelict siteAll in Dún Laoghaire-Rathdown →

  1. Residential land at Monkstown

    Dún Laoghaire · 3.11 ha · zoned R2

    On the derelict sites register

    On the RZLT map, no permissionOn the RZLT map (3% land tax)

  2. 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)

  3. Mixed-use land at Dunleary

    Dún Laoghaire · 0.31 ha · zoned M3

    On the derelict sites register

    On the RZLT map (3% land tax)Underused site

  4. DERELICT, 3 ALBERT ROAD UPPER, GLENAGEARY, CO.DUBLIN

    Bullock · Dún Laoghaire · zoned R2

    On the derelict sites register

Stalled buildAll in Dún Laoghaire-Rathdown →

  1. Greenacres Residential

    Drummartin · Dundrum · 1.90 ha · zoned R2

    Stalled build

  2. Beechpark

    Loughlinstown · Killiney-Shankill · 5.20 ha · zoned R2

    Stalled build

  3. Block B8 - Honeypark

    Dún Laoghaire · 0.04 ha · zoned R2

    Stalled build

  4. Knockrabo Phase 2B - Enabling works

    Roebuck · Stillorgan · 2.75 ha · zoned R2

    Stalled build

On the RZLT map, no permissionAll in Dún Laoghaire-Rathdown →

  1. Residential land at Kilbogget

    Killiney-Shankill · 36.12 ha · zoned R2

    On the RZLT map, no permission

    On the RZLT map (3% land tax)

  2. Residential land at Montpelier

    Dún Laoghaire · 28.10 ha · zoned R2

    On the RZLT map, no permission

    On the RZLT map (3% land tax)

  3. Residential land at Newtown Little

    Dundrum · 24.69 ha · zoned R2

    On the RZLT map, no permission

    On the RZLT map (3% land tax)

  4. Residential land at Blackrock

    Blackrock · 20.06 ha · zoned R2

    On the RZLT map, no permission

    On the RZLT map (3% land tax)

Publicly owned landAll in Dún Laoghaire-Rathdown →

  1. Public land at Carmanhall and Leopardstown

    Glencullen-Sandyford · 70.15 ha · zoned G1

    Publicly owned land

  2. Public land at Scalpwilliam or Mount Mapas

    Dún Laoghaire · 45.67 ha · zoned G1

    Publicly owned land

  3. Public land at Murphystown

    Glencullen-Sandyford · 30.08 ha · zoned C4

    Publicly owned land

  4. Public land at Kilmashogue

    Glencullen-Sandyford · 30.00 ha · zoned G1

    Publicly owned land

On the RZLT map (3% land tax)All in Dún Laoghaire-Rathdown →

  1. Residential land at Roebuck

    Stillorgan · 22.59 ha · zoned R2

    On the RZLT map (3% land tax)

  2. Residential land at Cork Little

    Killiney-Shankill · 21.29 ha · zoned R3

    On the RZLT map (3% land tax)

  3. Residential land at Merrion

    Blackrock · 18.88 ha · zoned R2

    On the RZLT map (3% land tax)

  4. Residential land at Glenamuck North

    Glencullen-Sandyford · 18.33 ha · zoned R2

    On the RZLT map (3% land tax)

All 2,501 sites in Dún Laoghaire-Rathdown →

Open all 2,501 on the mapFree, no sign-up.

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.

Calendar: Permissions running out, RZLT deadlines and council land sale meetings in Dún Laoghaire-Rathdown. Updates daily.

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Largest RZLT parcels with no permission

  1. Existing residential, No density specification possible (RZLT DELA00002384)

    36.12 ha · no permission for homes · 1 Jan 2027

  2. Existing residential, No density specification possible (RZLT DELA00001952)

    28.10 ha · no permission for homes · 1 Jan 2027

  3. Existing residential, No density specification possible (RZLT DELA00002122)

    24.69 ha · no permission for homes · 1 Jan 2027

  4. Existing residential, No density specification possible (RZLT DELA00002045)

    20.06 ha · no permission for homes · 1 Jan 2027

  5. Existing residential, No density specification possible (RZLT DELA00000538)

    18.48 ha · no permission for homes · 1 Jan 2027

  6. Existing residential, No density specification possible (RZLT DELA00000539)

    16.68 ha · no permission for homes · 1 Jan 2027

The full RZLT list for Dún Laoghaire-Rathdown →

Latest council land sales

  1. 4.01. Proposed Disposal of Fee Simple Interest

    14 Sept 2026 · source

    September County Council Meeting, item 38

  2. 4.02. Proposed Disposal of a 15-Year Lease of 17 Woodbrook Copse, Dublin Road, Bray, Co. Dublin, A98 W2T6 to Cheshire Ireland.

    14 Sept 2026 · source

    September County Council Meeting, item 39

  3. 4.02. Proposed Disposal of Fee Simple Interest

    6 Jul 2026 · source

    Monthly County Council Meeting, item 33

  4. 4.01. Proposed Disposal of Fee Simple Interest

    6 Jul 2026 · source

    Monthly County Council Meeting, item 32

  5. 4.02. Proposed Disposal of Fee Simple Interest

    8 Jun 2026 · source

    Monthly County Council Meeting, item 44

Every council land sale in Dún Laoghaire-Rathdown →

Dún Laoghaire-Rathdown in numbers

  • 7,056Homes permitted, not started
  • 3,850.6Hectares zoned residential
  • 878Commencement notices, last 12 months
  • 1,934Applications received, last 12 months

Planning applications in Dún Laoghaire-Rathdown (every application and decision, on Planning Register)

Figures as of 25 Sept 2026.

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