120, Mount Merrion Avenue, Blackrock, Co. Dublin.
Construction of a two-storey side extension.
D04B/0386 · Dun Laoghaire Rathdown County Council · Lodged 17 May 2004
- Reference
- D04B/0386
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 17 May 2004
Summary
AI-generatedPermission is sought for a two-storey extension at the side of the house. The new extension will contain a study, playroom, and bedrooms.
- 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
2 storey extension containing study, playroom and bedrooms at side of house.
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.
Built — construction complete
A commencement notice records works starting on 20 June 2022.
Notified floor area: 275 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 13 Villa Nova, Mount Merrion Ave, Blackrock | Mar 2026 | €540,000 | 52 m |
| 26 Woodlands Grove, Blackrockprice excludes VAT | Apr 2026 | €1,233,480 | 60 m |
| 1 Woodlands Grove, Woodlands Park, Blackrocknot full market price · price excludes VAT | Mar 2026 | €353,000 | 113 m |
| 39 Woodlands Park, Blackrock, Co Dublin | Aug 2025 | €2,200,000 | 126 m |
| Unit B, 43 Woodlands Park, Blackrock | May 2025 | €2,250,000 | 158 m |
| 87 Merrion Park, Hill Ave South, Blackrock | Dec 2025 | €840,000 | 192 m |
| Apt 158 - The Elms, Mount Merrion Avenue, Co Dublin | Nov 2025 | €641,000 | 197 m |
| 17 Beechlawn, South Hill Ave, Blackrock | Nov 2025 | €602,002 | 206 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 received17 May 2004
- Decision issued8 July 2004
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission is sought for development consisting of a new single storey extension to rear and revisions to…
120 Mount Merrion Avenue, Blackrock, Co. Dublin
D21B/0290Dún Laoghaire–RathdownLodged 9 Jun 2021Extension
- GrantedAt this site
Permission sought for extensions to, and remodelling of main location comprising a) New roof structure…
120, Mount Merrion Avenue, Blackrock, Co. Dublin.
D07B/0104Dún Laoghaire–RathdownLodged 7 Feb 2007Extension
- Compliance submissionAt this site
Compliance with Condition No. 10 of Reg Ref D22A/0894
Sadhana, 118, Mount Merrion Avenue, Blackrock, Co Dublin, A94F1P2
D22A/0894/C3Dún Laoghaire–RathdownLodged 28 Sept 2023Other
- Compliance submissionAt this site
Compliance with Condition No. 10 of Reg Ref D22A/0894
Sadhana, 118, Mount Merrion Avenue, Blackrock, Co Dublin, A94F1P2
D22A/0894/C2Dún Laoghaire–RathdownLodged 20 Jun 2023Other
- Compliance submissionAt this site
Compliance with Condition No. 6 of Reg Ref D22A/0894
Sadhana, 118, Mount Merrion Avenue, Blackrock, Co Dublin, A94F1P2
D22A/0894/C1Dún Laoghaire–RathdownLodged 16 Mar 2023Other
- GrantedAt this site
The development consists of Retention Permission for minor alterations to previously granted planning…
Sadhana, 118 Mount Merrion Avenue, Blackrock, Dublin, A94F1P2
D25A/0810/WEBDún Laoghaire–RathdownLodged 24 Oct 2025Retention
- GrantedAt this site
The development will consist of the demolition of existing house (as granted under reg. ref. D20A/0275) and…
Sadhana, 118, Mount Merrion Avenue, Blackrock, Co Dublin, A94F1P2
D22A/0894Dún Laoghaire–RathdownLodged 17 Nov 2022New dwelling
- GrantedAt this site
Permission for alterations and extension to existing partially demolished house including the construction of…
Sadhana, 118, Mount Merrion Avenue, Blackrock, Co Dublin, A94F1P2
D21B/0330Dún Laoghaire–RathdownLodged 1 Jul 2021Extension
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
Two storey bedroom, bathroom, playroom and study extension to side of house
69 Castle Riada Drive, Lucan, Co. Dublin.
S02B/0104South DublinLodged 4 Mar 2002
- GrantedExtension
Two storey extention to side of house playroom and study on ground floor, bedroom and bathroom upstairs
6, Elm Green, Lucan, Dublin
SD06B/0496South DublinLodged 3 Jul 2006
- GrantedExtension
Two storey side extension comprising of an additional bedroom and extended study and family room and a single…
198, Library Road, Shankill, Co. Dublin.
D04B/0821Dún Laoghaire–RathdownLodged 17 Nov 2004
- InvalidExtension
Two storey extension to side of existing house with extended ground floor study and new porch
9, The Briers, Woodfarm Acres, Palmerstown, Dublin 20
SD04B/0080South DublinLodged 2 Mar 2004
- InvalidExtension
2 storey extension at left gable side of existing property consisting of: playroom, study with side door to…
1, Liffey Grove, Liffey Valley Park, Lucan, Co. Dublin
SD23B/0385South DublinLodged 8 Sept 2023
- GrantedExtension
Two storey extension consisting of a playroom downstairs and a bedroom upstairs to side of dwelling house
34, Cannonbrook Park, Lucan, Co. Dublin.
SD05B/0006South DublinLodged 16 May 2005
Community
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