66 Merrion Park, Merrion, Blackrock, Co. Dublin, A94 D854
Single-storey rear extension, rear dormer structure, and a new front rooflight.
D20A/0543 · Dun Laoghaire Rathdown County Council · Lodged 5 August 2020
- Reference
- D20A/0543
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 5 August 2020
Summary
AI-generatedPermission is sought for the construction of a single-storey extension to the rear of the property. The project also includes a new dormer structure on the rear roof pitch and a Velux rooflight on the front roof pitch.
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
Permission is sought for development. The development will consist of the construction of a single storey extension to the rear of the existing property in conjunction with the construction of a dormer structure to the existing rear roof pitch with the installation of a new velux roof light to the front roof pitch.
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 |
|---|---|---|---|
| 87 Merrion Park, Hill Ave South, Blackrock | Dec 2025 | €840,000 | 38 m |
| 78 Merrion Park, Booterstown, Blackrock | Feb 2025 | €920,000 | 50 m |
| 79 Merrion Park, Blackrock, Co Dublin | Nov 2025 | €1,330,000 | 65 m |
| 95 Merrion Park, Blackrock, Co. Dublin | Sept 2025 | €1,120,000 | 86 m |
| 57 Merrion Park, Blackrock, Dublin | Apr 2025 | €760,000 | 87 m |
| 47 Merrion Park, Blackrock, Dublin | Nov 2025 | €790,101 | 111 m |
| 26 Ashurst, Mount Merrion Ave, Blackrock | Aug 2025 | €510,500 | 158 m |
| 17 Beechlawn, South Hill Ave, Blackrock | Nov 2025 | €602,002 | 163 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 received5 August 2020
- Decision issued23 September 2020
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
For development consisting of two storey extension to the side part of which at the ground floor is to the…
65, Merrion Park, Blackrock, Co. Dublin
D06B/0820Dún Laoghaire–RathdownLodged 8 Sept 2006Extension
- GrantedAt this site
The development will consist of the addition of a dormer structure to the rear of the property to provide…
65, Merrion Park, Blackrock, Dublin, A94X279
D24B/0257/WEBDún Laoghaire–RathdownLodged 31 May 2024Retention
- Awaiting decision70 m away
The development will consist of construction of a ground floor extension and dormer attic conversion to the…
3, Merrion Park, Blackrock, Co. Dublin, A94FR66
D26B/0176/WEBDún Laoghaire–RathdownLodged 16 Feb 2026Extension
- Granted70 m away
Permission for development at site. The development will consist of single storey extension to side of…
79, Merrion Park, Blackrock, Co. Dublin
D17A/0519Dún Laoghaire–RathdownLodged 8 Jun 2017Extension
- Granted80 m away
Planning permission is sought for the construction of a two storey house extension to the side, a single…
26, Merrion Park, South Hill Avenue, Blackrock, Co. Dublin
D10B/0472Dún Laoghaire–RathdownLodged 26 Nov 2010Extension
- Granted80 m away
Permission is sought for the construction of a two storey house extension to the side and a single storey…
26, Merrion Park, South Hill Avenue, Blackrock, Co. Dublin.
D08B/0258Dún Laoghaire–RathdownLodged 9 Apr 2008Extension
- Invalid80 m away
Outline permission is sought for the removal of existing pitched roof, construction of 30 m.2 second storey…
107, Merrion Park, Blackrock, Co. Dublin
D11B/0341Dún Laoghaire–RathdownLodged 24 Oct 2011Extension
- Granted80 m away
Outline permission is sought for the removal of existing pitched roof, construction of 30 m2 second storey…
107, Merrion Park, Blackrock, Co. Dublin
D11B/0409Dún Laoghaire–RathdownLodged 21 Dec 2011Extension
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
Permission is sought for development comprising of a first floor extension to the rear of an existing…
Copsewood , Lower Montenotte Road , Cork
1636861Cork CityLodged 28 Apr 2016
- GrantedExtension
Planning permission is sought for a one storey extension to the rear of the house and a dormer structure type…
84, Temple Road, Blackrock, Co. Dublin
D11B/0090Dún Laoghaire–RathdownLodged 23 Mar 2011
- InvalidExtension
Permission is sought for the construction of a single storey extension to the rear. The works will also…
113, Broadford Hill, Ballinteer, Dublin 16
D17B/0548Dún Laoghaire–RathdownLodged 4 Dec 2017
- Part granted, part refusedExtension
Permission for the construction of a dormer roof window to rear of the existing house (to existing attic…
174A Ashlawn Park, Ballybrack, Co Dublin
D17B/0358Dún Laoghaire–RathdownLodged 3 Aug 2017
- GrantedExtension
Permission is sought for the construction of new single storey extensions to the rear and side of the…
114 Stepaside Park, Jamestown, Dublin 18
D22B/0218Dún Laoghaire–RathdownLodged 28 Apr 2022
- GrantedExtension
Permission for development which will consist of the provision of a dormer window with rooflight to rear of…
26, Alma Road, Monkstown, Co. Dublin
D13B/0013Dún Laoghaire–RathdownLodged 17 Jan 2013
Community
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