31 Castlebyrne Park, Blackrock, Co Dublin
First-floor bedroom extension with a zinc finish and pitched roof to the rear of the house.
D19B/0283 · Dun Laoghaire Rathdown County Council · Lodged 6 June 2019
- Reference
- D19B/0283
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 June 2019
Summary
AI-generatedThe development consists of a first-floor extension to an existing bedroom at the rear of the property. The extension will feature an external zinc finish and a pitched roof designed to match the existing house.
- 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
Permission for extension to existing bedroom to rere at first floor with zinc finish externally and pitched roof over to match existing 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 14 Proby Place, Proby Square, Blackrock | May 2026 | €1,495,000 | 30 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 44 m |
| 7 Proby Place, Proby Square, Carysfort Avenue | Sept 2025 | €1,640,000 | 70 m |
| 15 Castlebyrne Park, Newtown Park Ave, Blackrock | Feb 2026 | €667,500 | 99 m |
| 1 Proby Place, Proby Square, Carysfort Avenue | May 2025 | €1,850,000 | 114 m |
| 70 Castlebyrne Park, Blackrock, Dublin | Mar 2025 | €528,000 | 125 m |
| 93 Castlebyrne Park, Newtownpark Ave, Blackrock | Jun 2026 | €597,000 | 198 m |
| 5 Proby Gardens, Blackrock, Dublin | Nov 2025 | €1,010,000 | 242 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 received6 June 2019
- Decision issued26 July 2019
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
Single storey extension to side and rear of property also incorporating existing front door/porch into…
28, Castlebyrne Park, Blackrock, Co. Dublin
D06B/0293Dún Laoghaire–RathdownLodged 4 Apr 2006Extension
- RefusedAt this site
For construction of No. 1 bedroom 42 sq.m. self contained dwelling, separate to existing dweling in rear of…
28, Castle Byrne Park, Blackrock, Co. Dublin
D05A/1459Dún Laoghaire–RathdownLodged 14 Nov 2005New dwelling
- GrantedAt this site
Permission sought for a single storey extension to side and rear of property with ramped access to front to…
28, Castlebyrne Park, Blackrock, Co. Dublin
D07A/0016Dún Laoghaire–RathdownLodged 11 Apr 2007Extension
- Granted60 m away
A first floor extension to existing bedroom at rear with projecting box window and rooflights to rear roof…
23, Castlebyrne Park, Blackrock, Co. Dublin
D24B/0245/WEBDún Laoghaire–RathdownLodged 23 May 2024Extension
- Granted70 m away
For development at this site at Proby Square, Blackrock. The development will consist of demolition of…
Proby Square, Blackrock, Co. Dublin
D05A/1559Dún Laoghaire–RathdownLodged 14 Mar 2006Housing estate
- Granted70 m away
Permission sought for alterations to previously approved residential development (Reg. Ref. D05A/1559, An…
Proby Square, Blackrock, Co Dublin
D07A/0292Dún Laoghaire–RathdownLodged 14 May 2007Alterations
- Granted70 m away
A single storey lean-to extension with roof lights to front of house, dormer window to rear in new loft area,…
42, Castle Byrne Park, Blackrock, Co. Dublin
D04B/0523Dún Laoghaire–RathdownLodged 2 Jul 2004Extension
- Granted70 m away
Permission for new porch at front and new single storey extensions at side and rear
57 Oakley Park, Blackrock, Co Dublin
D16B/0265Dún Laoghaire–RathdownLodged 21 Jun 2016Extension
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 for development. Planning is sought for a first floor extension over exsiting single storey…
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D21B/0261Dún Laoghaire–RathdownLodged 26 May 2021
- GrantedExtension
Permission for first floor rear extension to existing house with pitched roof to match existing and…
5 Griffith Close, Finglas East, Dublin 11, D11P0A8
3666/21Dublin CityLodged 11 Oct 2021
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Permission to erect a bedroom extension at first floor level to rear of existing two storey dwelling
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D15B/0251Dún Laoghaire–RathdownLodged 30 Jun 2015
- GrantedExtension
Permission is sought for first floor extension over kitchen to rear of existing house consisting of an…
6, College Park Court, Ballinteer, Dublin 16
D08B/0509Dún Laoghaire–RathdownLodged 4 Jul 2008
- GrantedExtension
Permission for the construction of a first floor extension over existing ground floor extension at side of…
12 Balally Grove, Dundrum, Dublin 16
D14B/0231Dún Laoghaire–RathdownLodged 26 Jun 2014
- GrantedExtension
Permission for a single storey extension to front and ground and 1st floor pitched roof extension to side of…
13 Park Avenue, Glenageary Heights, Glenageary, Co Dublin
D18B/0001Dún Laoghaire–RathdownLodged 2 Jan 2018
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