8, Owenstown Park, Mount Merrion, Blackrock, Dublin, A94TX39
Construction of a two-storey rear extension and widening of the front entrance at 8 Owenstown Park.
D23A/0208 · Dun Laoghaire Rathdown County Council · Lodged 30 March 2023
- Reference
- D23A/0208
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 30 March 2023
Summary
AI-generatedThe development consists of a two-storey flat-roof extension to the rear of the existing house, containing a kitchen and utility room on the ground floor and a bedroom on the first floor. It also includes widening the existing site entrance by approximately 700mm.
- Storeys
- 2
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
Two storey flat roof extension, to the rear of the existing two storey property, containing kitchen & utility on the ground floor level, and bedroom on the first floor level. (b) the widening of the existing site entrance by approx 700mm.
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 91 Foster'S Avenue, Mount Merrion, Co Dublin | Jun 2026 | €1,495,000 | 92 m |
| 6 Owenstown Lodge, Fosters Avenue, Owenstown Park | Apr 2026 | €470,622 | 123 m |
| 6 Roebuck Hill, Clonskeagh, Dublin 14 | Dec 2025 | €370,000 | 187 m |
| 13 Roebuck Hill, Mountmerrion, Dublin | Jun 2026 | €525,000 | 194 m |
| Apt 90, The Atrium, Roebuck Hill Dublin 14 | Jul 2025 | €548,000 | 220 m |
| 65 Roebuck Hill Apts, Roebuck Road, Clonskeagh | Jun 2025 | €415,000 | 220 m |
| 23 The Promenade, Roebuck Hill, Fosters Ave Dublin 14 | Aug 2025 | €601,000 | 241 m |
| 29 Roebuck Hill Apts, Mount Anville Rd, Dublin 14 | Nov 2025 | €605,000 | 241 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received30 March 2023
- Decision due24 May 2023
- Decision issued13 April 2023
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
Retention permission for an existing 2 storey extension to the rear of the dwelling comprising of a total…
8, Owenstown Park, Mount Merrion, Dublin, A94TX39
D23B/0561Dún Laoghaire–RathdownLodged 4 Dec 2023Retention
- GrantedAt this site
Retention is sought for an existing 2 storey extension to the rear of the dwelling comprising of total floor…
8, Owenstown Park, Mount Merrion, Blackrock, Dublin, A94TX39
D24B/0013Dún Laoghaire–RathdownLodged 18 Jan 2024Retention
- GrantedAt this site
(a) Two storey flat roof extension, total floor area of 48m2, to the rear of the existing two storey…
8, Owenstown Park, Mount Merrion, Blackrock, Dublin, A94TX39
D23A/0582Dún Laoghaire–RathdownLodged 22 Mar 2024Extension
- Withdrawn70 m away
Demolition of existing single-storey garage to side. Demolition of existing block wall to side. Construction…
5, Owenstown Park, Mount Merrion, Co. Dublin, A94XE10
D25A/0263/WEBDún Laoghaire–RathdownLodged 2 Apr 2025Extension
- Granted70 m away
Demolition of existing single-storey garage to side. Demolition of existing block wall to side. Construction…
5 Owenstown Park, Mount Merrion, Co. Dublin, A94XE10
D25A/0323/WEBDún Laoghaire–RathdownLodged 22 Apr 2025Extension
- Granted80 m away
For demolition of a single storey kitchen to the rear, W.C. and store to the side at ground floor level, and…
93, Foster's Avenue, Mount Merrion, Co. Dublin
D04B/0796Dún Laoghaire–RathdownLodged 5 Nov 2004Extension
- Refused80 m away
Retention permission for development at this site. The development consists of a white timber-clad balustrade…
Top Floor Apartment, Owenstown Park, Fosters Avenue, Mount Merrion, Blackrock, Co Dublin, (A Protected Structure), A94N6D8
D21A/1118Dún Laoghaire–RathdownLodged 17 Dec 2021Retention
- Granted80 m away
Permission for development. Development will consist of proposed modifications to an existing balustrade at…
Top Floor Apartment, Owenstown House, Owenstown Park, Fosters Avenue, Mount Merrion, Blackrock, Co. Dublin, A94 N6D8 (A Protected Structure)
D22A/0829Dún Laoghaire–RathdownLodged 28 Oct 2022Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
(a) Two storey flat roof extension, total floor area of 48m2, to the rear of the existing two storey…
8, Owenstown Park, Mount Merrion, Blackrock, Dublin, A94TX39
D23A/0582Dún Laoghaire–RathdownLodged 22 Mar 2024
- GrantedExtension
To demolish the existing flat roof extension at the rear of the existing dwelling house, construct a new two…
17 College Road , Ennis , Co Clare
20176ClareLodged 12 Mar 2020
- GrantedExtension
New two storey extension with flat roof and roof lights to the rear and side of the existing house, a new…
167, Whitehall Road West, Terenure, Dublin 12.
SD18B/0065South DublinLodged 22 May 2018
- GrantedExtension
Single storey flat roof extension to the rear and side of the existing two storey dwelling; single storey…
31A, Cypress Grove Road, Templeogue, Dublin 6W
SD19B/0231South DublinLodged 6 Jun 2019
- GrantedExtension
A two storey extension to rear and side and one storey extension to the front to provide for a new dining…
42, Ashgrove, Kill Avenue, Dun Laoghaire, Co. Dublin
D08A/0235Dún Laoghaire–RathdownLodged 29 Apr 2008
- Part granted, part refusedExtension
A) Single storey flat roof extension to the rear with 1no rooflight, b) 2 storey extension to the side c) new…
68, Hillside Park, Rathfarnham, Dublin 16
SD25B/0426South DublinLodged 2 Jul 2025
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