18 Newtownpark Avenue, Blackrock, Co. Dublin.
Extensions to the rear and side of the house, along with an attic conversion.
D05B/0940 · Dun Laoghaire Rathdown County Council · Lodged 21 December 2005
- Reference
- D05B/0940
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 December 2005
Summary
AI-generatedThe development consists of a 65 square metre single-storey rear extension, a 21 square metre first-floor side extension over an existing converted garage, and a 29 square metre attic conversion featuring a dormer and a velux window.
- Floor area
- 115 m²
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
65m2 single storey extension to rear. 21m2 first floor extension to side over existing converted garage. 29m2 attic conversion with 1 dormer and 1 velux window to rear.
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 |
|---|---|---|---|
| Claragh, 28 Newtownpark Ave, Blackrock | Dec 2025 | €860,000 | 50 m |
| 8 Newtownpark Ave, Blackrock, Dublin | Dec 2025 | €1,410,000 | 54 m |
| 2 Greenville Court, Stradbrook Rd, Blackrock | Sept 2025 | €417,000 | 169 m |
| 10 Brooklawn Ave, Blackrock, Dublin | Mar 2026 | €700,000 | 195 m |
| 28 Brooklawn Ave, Blackrock, Dublin | Jul 2025 | €585,000 | 203 m |
| 53 Brooklawn Ave, Blackrock, Dublin | Mar 2026 | €321,170 | 211 m |
| 31 Brooklawn Ave, Blackrock, Dublin | Apr 2026 | €543,000 | 217 m |
| 35 Brooklawn Ave, Blackrock, Dublin | Jul 2025 | €531,500 | 217 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 received21 December 2005
- Decision issued23 February 2006
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
40 sq.m single storey extension to rear of existing house (permission for 21 sq.m first floor extension to…
18, Newtownpark Avenue, Blackrock, Co. Dublin
D06B/0551Dún Laoghaire–RathdownLodged 20 Jun 2006Extension
- GrantedAt this site
For internal and external alterations, demolition of the existing garage and single storey extension, and…
14, Newtownpark Avenue, Blackrock, Co. Dublin
D04B/0581Dún Laoghaire–RathdownLodged 23 Jul 2004Extension
- Granted30 m away
Permission for a two storey extension to side, single storey extension to rear and attic conversion with…
24 Newtownpark Avenue, Blackrock, Co Dublin
D15A/0494Dún Laoghaire–RathdownLodged 4 Aug 2015Extension
- Granted40 m away
Permission is sought for the conversion of existing attic space to provide additional bedroom and ensuite,…
12, Newtownpark Avenue, Blackrock, Co. Dublin
D09B/0412Dún Laoghaire–RathdownLodged 13 Oct 2009Extension
- Granted70 m away
(i) retention of extension to front hall, (ii) retention of 1st floor bedroom extension to rear and side,…
10, Stradbrook Lawn, Blackrock, Co. Dublin.
D07A/1253Dún Laoghaire–RathdownLodged 3 Sept 2007Extension
- Granted80 m away
Permission for modifications to existing single storey extension to rear of existing semi-detached dwelling.…
33 Newtownpark Avenue, Blackrock, Co Dublin
D15B/0258Dún Laoghaire–RathdownLodged 2 Jul 2015Extension
- Granted80 m away
Permission for development consisting of the construction of single-storey extension with rooflights to rear…
Ardeevin, 4, Newtownpark Avenue, Blackrock, Co. Dublin A94 E6K7
D20B/0179Dún Laoghaire–RathdownLodged 23 Jun 2020Extension
- Granted80 m away
New single storey office accommodation to rear. The proposed development is within the curtilage of a…
Cluain Mhuire Family Centre, Newtownpark Avenue,, Dun Laoghaire, Co. Dublin.
D02A/0639Dún Laoghaire–RathdownLodged 1 Jul 2002Commercial
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
Single storey extension to the rear/side, two storey extension to side, conversion of garage with new pitched…
35, Ballyroan Road, Dublin 16
SD06B/0333South DublinLodged 10 May 2006
- GrantedExtension
Single storey extension to rear, bay windowed garage conversion and two storey extension to side, attic…
15, Butterfield Crescent, Rathfarnham, Dublin 14
SD05B/0426South DublinLodged 19 Sept 2005
- GrantedExtension
Single storey extension to rear, two storey extension over garage, conversion of garage and attic space
66 Lucan Heights, Lucan, Co. Dublin.
SD02B/0156South DublinLodged 9 Apr 2002
- GrantedExtension
Single storey extension to rear, first floor extension to side over existing converted garage, porch…
28, Hillside, Dalkey, Co. Dublin
D06B/0075Dún Laoghaire–RathdownLodged 24 Mar 2006
- GrantedExtension
2 storey extension and single storey garage extension at side and attic conversion with 5 velux rear…
8, Saint Helen's Villas, Rock Road, Booterstown, Co. Dublin.
D05B/0018Dún Laoghaire–RathdownLodged 17 Jan 2005
- GrantedExtension
Side ground & first floor extension, utility and garage area, additional bedroom and bathroom; convert attic…
44, Cannonbrook Park, Lucan, Co. Dublin
SD16B/0202South DublinLodged 5 Oct 2016
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