8, Hyde Park Gardens, Blackrock, Co. Dublin
Retention of a single-storey side extension.
D18B/0252 · Dun Laoghaire Rathdown County Council · Lodged 29 August 2018
- Reference
- D18B/0252
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission for Retention
- Received
- 29 August 2018
Summary
AI-generatedThis application seeks retention permission for an already constructed development. The development consists of a single-storey extension to the side of the property.
- Storey
- 1
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
Retention permission. The development consisted of a single storey side extension.
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 |
|---|---|---|---|
| 15 The Elms, Mount Merrion Ave, Blackrock | Mar 2026 | €490,000 | 56 m |
| 14 The Elms, Mount Merrion Ave, Blackrock | Apr 2025 | €470,000 | 56 m |
| 4 The Elms, Mount Merrion Ave, Blackrock | Sept 2025 | €500,000 | 70 m |
| 21 The Elms, Mount Merrion Ave, Blackrock | Dec 2025 | €660,000 | 75 m |
| 17 Hyde Park Avenue, Blackrock, Co Dublin | Dec 2025 | €1,600,000 | 112 m |
| 17 Southwood Park, Mount Merrion, Blackrock | Mar 2025 | €1,580,000 | 128 m |
| 36 Hyde Park Ave, Blackrock, Dublin | Jul 2025 | €1,495,000 | 154 m |
| 9 Avoca Grove, Blackrock, Co. Dublinprice excludes VAT | Apr 2026 | €1,233,480 | 165 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 received29 August 2018
- Decision issued24 September 2018
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
The development will consist of the construction of a two storey extension to the side of the existing house.…
8, Hyde Park Gardens, Blackrock, Co.Dublin
D07B/0723Dún Laoghaire–RathdownLodged 9 Aug 2007Extension
- InvalidAt this site
Permission is sought for the construction of a two storey extension to side of the existing house. The…
8, Hyde Park Gardens, Blackrock, Co Dublin
D07B/0520Dún Laoghaire–RathdownLodged 12 Jun 2007Extension
- GrantedAt this site
Consisting of 1 no. dormer attic window to rear of dwelling and 1 no. dormer window to the side of dwelling…
6, HYDE PARK GARDENS, BLACKROCK, CO. DUBLIN
D04B/0678Dún Laoghaire–RathdownLodged 6 Sept 2004Alterations
- GrantedAt this site
The development will consist of the widening of the vehicular entrance from 2.25 metres to 3.5 metres and the…
6, HYDE PARK GARDENS, BLACKROCK, CO. DUBLIN
D07A/1700Dún Laoghaire–RathdownLodged 12 Dec 2007Alterations
- WithdrawnAt this site
(A) Retention of a concrete slab of 60.5m2 (B) Full permission to construct stone walls & flat roof to a…
The Elms, Mount Merrion Avenue, Blackrock, Dublin
D04A/1564Dún Laoghaire–RathdownLodged 23 Dec 2004Retention
- GrantedAt this site
Retention of concrete slab of 60.5m2 with 2m high timber suppport posts and full permission to complete…
The Elms, Mount Merrion Avenue, Blackrock, Dublin
D04A/0304Dún Laoghaire–RathdownLodged 25 Mar 2004Retention
- Granted30 m away
To widen vehicle front entrance gate to 3.5 metres between gate piers
4, Hyde Park Gardens, Blackrock, Co. Dublin
D06A/1922Dún Laoghaire–RathdownLodged 15 Dec 2006Alterations
- Granted30 m away
Permission is being sought for alterations and additions to an existing 2-storey semi-detached dwelling. The…
No. 2, Hyde Park Gardens, Blackrock, Co. Dublin
D22B/0118Dún Laoghaire–RathdownLodged 7 Mar 2022Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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21743LouthLodged 14 Jun 2021
- GrantedRetention
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1944LouthLodged 28 Jan 2019
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