Residential land at Mountashton
Dún Laoghaire · Dún Laoghaire-Rathdown
On the RZLT map, no permission. RZLT-liable and no live permission for 10+ homes on it
- Site area
- 4.53 ha (11.20 acres)
- Zoning
- R2
- Townland
- Mountashton
Watch it and we’ll email you when anything changes: a new application, a decision or a deadline. The full site page adds the score, what could be built, an indicative land value and who to talk to.
Why this site
- On the RZLT map, no permission· Residential Zoned Land Tax
- On the RZLT map (3% land tax)· Residential Zoned Land Tax
Planning on this site
- D26A/0663/WEB · lodged 3 Sept 2026
- D26A/0645/WEB · declare application invalid · lodged 28 Aug 2026
- D26B/0461/WEB · lodged 20 Aug 2026
- D26B/0298/WEB · grant permission · lodged 21 May 2026
- D26B/0291/WEB · declare application invalid · lodged 18 May 2026
- D26B/0213/WEB · grant permission · lodged 9 Apr 2026
- D25A/0881/WEB · grant permission · lodged 19 Nov 2025
- D25A/0756 · grant permission for retention · lodged 6 Oct 2025
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 53.29105, -6.16343 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
- 44
Appeals
- Total
- 7
- Tagged
- 4
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, 25 Sept 2026
Deadlines running
- Radius m
- 250
- Count
- 3
Clocks (3)
| Kind | Entity type | Occurred at | Deadline at | Deadline kind | Summary |
|---|---|---|---|---|---|
| decision | application | 31 Aug 2026 | 28 Sept 2026 | appeal | D26A/0645/WEB: DECLARE APPLICATION INVALID — Alterations and extension to existing dwelling, comprising of alterations to fr |
| application_received | application | 28 Aug 2026 | 2 Oct 2026 | observation | D26A/0645/WEB: application received — Alterations and extension to existing dwelling, comprising of alterations to fr |
| application_received | application | 3 Sept 2026 | 8 Oct 2026 | observation | D26A/0663/WEB: application received — Alterations and extension to existing dwelling, comprising of alterations to fr |
Deadlines are computed once, by the connector that saw the event, from the statutory rule; never estimated here. Sources: acp, 25 Sept 2026; consult, 25 Sept 2026; moderngov, 25 Sept 2026; npad, 25 Sept 2026; rzlt, 18 Sept 2026
Zoning and the RZLT map
Rzlt
- Available
- Yes
- On site
- Yes
- Note
- This land is on an RZLT map — the owner is liable for an annual 3 % tax.
Zones (1)
| Code | Label | Meaning | Objective text | Plan id | Valid from |
|---|---|---|---|---|---|
| R2 | Existing residential | An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour'… | Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities | DR-001:DP:county-development-plan-2022-2028 | 1 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
- No
Kinds (3)
| Kind | Label | Count |
|---|---|---|
| niah | NIAH-recorded building | 3 |
| radon | Radon risk area | 1 |
| rps | Record of Protected Structures | 3 |
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.niah, 11 Sept 2026; constraints.radon, 11 Sept 2026; constraints.rps, 11 Sept 2026
Homes planned nearby
- Radius m
- 1,000
Totals
- Sites
- 5
- Homes
- 744
- Started
- 194
- Sites started
- 3
- Sites unbuilt
- 0
- Sites lapsing
- 0
- Lapsed
- 298
- Sites lapsed
- 1
- Appealed
- 252
- Sites appealed
- 1
- Started pct
- 26
- Not started
- 0
As of
- Computed at
- 2026-09-19T06:05:22+00:00
- Sites in table
- 4,168
Sites (5)
Applicants (1)
| Name | Sites | Homes |
|---|---|---|
| Lulani Dalguise Limited | 1 | 298 |
Grants of 10+ homes. "Unbuilt" means no commencement notice has been matched; "lapsing" expires within a year. Sources: bcms, 25 Sept 2026; npad, 25 Sept 2026
Public land nearby
- Radius m
- 1,000
Transport and schools
- Radius m
- 1,000
- Stop count
- 54
- Facility count
- 8
Stops (10)
| Agency | Stop id | Name | Distance m |
|---|---|---|---|
| nta | 8250DB003116 | Rowan Park | 279.6 |
| nta | 8250DB003163 | Stradbrook Road | 281.7 |
| nta | 8250DB003162 | Rowan Park | 311.1 |
| nta | 8250DB003115 | Stradbrook Road | 430.3 |
| nta | 8250DB003075 | Queen's Park | 433.4 |
| nta | 8250DB003038 | Belgrave Square | 443.9 |
| nta | 8250DB003074 | Drayton Close | 465.3 |
| nta | 8250DB004353 | National School | 482 |
| nta | 8250DB007973 | National School | 495 |
| nta | 8250DB003076 | Montpellier Parade | 517.6 |
Schools (8)
| Kind | Ref | Name | Council | Distance m |
|---|---|---|---|---|
| school_postprimary | 60081P | Rockford Manor Secondary School | DLR | 445.1 |
| school_primary | 19335M | Scoil na nAingeal | DLR | 559.8 |
| school_primary | 18451J | SCOIL LORCÁIN | DLR | 627.9 |
| school_primary | 19499T | ST OLIVER PLUNKETT SP SC | DLR | 653.9 |
| school_postprimary | 81001I | Newpark Comprehensive School | DLR | 660.5 |
| school_primary | 20503O | Dun Laoghaire ETNS | DLR | 704.3 |
| school_primary | 20381D | Red Door Special School | DLR | 704.3 |
| school_primary | 19840C | HOLY FAMILY SCHOOL | DLR | 831.4 |
Other sites nearby
- Residential land at Mountashton · On the RZLT map, no permission
- Residential land at Stradbrook · On the RZLT map, no permission
- Residential land at Mountashton · On the RZLT map, no permission
- Residential land at Montpelier · On the RZLT map, no permission
- Blackrock College RFC · Stalled build
- Residential land at Newtown Castlebyrn · On the RZLT map, no permission
Figures as of 24 Sept 2026. Sources: acp (25 Sept 2026); bcms (25 Sept 2026); constraints (11 Sept 2026); constraints.niah (11 Sept 2026); constraints.radon (11 Sept 2026); constraints.rps (11 Sept 2026); consult (25 Sept 2026); gtfs (25 Sept 2026); lda_lands (11 Sept 2026); moderngov (25 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).
Own land in Dún Laoghaire-Rathdown? Tell developers →
More in Dún Laoghaire-Rathdown: development land · on the rzlt map, no permission