105 Rowanbyrn Avenue, Blackrock, Co Dublin
Two-storey side extension and a single-storey rear projection.
D14B/0133 · Dun Laoghaire Rathdown County Council · Lodged 10 April 2014
- Reference
- D14B/0133
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 April 2014
Summary
AI-generatedThe development consists of a two-storey extension to the side of the house with a single-storey projection to the rear. The ground floor extension is 9.27 sq.m. and the first floor is 6.34 sq.m., with associated landscaping and drainage.
- Storeys
- 2
- Floor area
- 16 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
Permission for a two storey extension to side with single storey projection to rear (ground floor 9.27m2, first floor 6.34m2) together with associated external landscaping and drainage works.
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 24 June 2015.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 1 Rockville Park, Blackrock, Co Dublin | Apr 2026 | €865,000 | 74 m |
| 117 Rowanbyrn, Blackrock, Co Dublinnot full market price | Sept 2025 | €255,109 | 116 m |
| Errigal, 1 Rowan Park Ave, Blackrock | Oct 2025 | €1,300,000 | 153 m |
| 49 Rockville Crescent, Blackrock, Dublin | Sept 2025 | €920,000 | 155 m |
| 22 Rockville Dr, Blackrock, Dublin | Apr 2026 | €1,230,000 | 181 m |
| 4 Rowan Park, Blackrock, Dublin | Jun 2025 | €980,000 | 190 m |
| 53 Rockville Dr, Newtownpark Ave, Blackrock | Jun 2025 | €1,050,000 | 196 m |
| 50 Rowanbyrn, Blackrock, Dublin | Jul 2025 | €825,000 | 208 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 received10 April 2014
- Decision issued4 June 2014
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 single storey extension to rear and front of existing house and part single part two…
106, Rowanbyrn, Blackrock, Co. Dublin
D12B/0373Dún Laoghaire–RathdownLodged 29 Nov 2012Extension
- Granted30 m away
Retain conversion of attic space to study and velux windows to rear of dwelling; construct two storey pitched…
6 Rockville Park, Blackrock, Co. Dublin.
D02B/0422Dún Laoghaire–RathdownLodged 7 Jun 2002Extension
- Granted40 m away
Permission is sought for the demolition of the existing single storey element to the side of the existing…
109, Rowanbyrn, Blackrock, Co. Dublin
D10B/0211Dún Laoghaire–RathdownLodged 5 May 2010Extension
- Granted50 m away
Permission is sought for the construction of a single and two storey rear extension, raising the existing…
16 Rockville Park, Blackrock, Dublin, A94W672
D26B/0094/WEBDún Laoghaire–RathdownLodged 13 Feb 2026Extension
- Compliance submission50 m away
Compliance with Condition No. 2 of Reg Ref No. ABP32083524 (D24B/0301/WEB)
110, Rowanbyrn, Blackrock, Co. Dublin, A94E785
D24B/0301/WEB/C1Dún Laoghaire–RathdownLodged 12 Sept 2025Other
- Compliance submission50 m away
Compliance with Condition No. 6 of Reg Ref No. ABP32083524 (D24B/0301/WEB)
110, Rowanbyrn, Blackrock, Co. Dublin, A94E785
D24B/0301/WEB/C2Dún Laoghaire–RathdownLodged 12 Sept 2025Other
- Invalid50 m away
The construction of a two storey extension to the side & rear of existing detached dwelling, with a single…
110, Rowanbyrn, Blackrock, Dublin, A94E785
D24B/0294/WEBDún Laoghaire–RathdownLodged 28 Jun 2024Extension
- Granted50 m away
The construction of a two storey extension to the side & rear of existing detached dwelling, with a single…
110, Rowanbyrn, Blackrock, Co. Dublin, A94E785
D24B/0301/WEBDún Laoghaire–RathdownLodged 4 Jul 2024Extension
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 construction of part 2 storey part single storey extension to rear, and all associated…
25, Nottingham Street, North Strand, Dublin 3
3659/20Dublin CityLodged 29 Oct 2020
- GrantedExtension
Permission for two storey extension to side and rear, and single storey extension to rear and all associated…
1, Magenta Crescent, Santry, Dublin 9, D09 CH28
3139/22Dublin CityLodged 25 Jan 2022
- GrantedExtension
Permission for the construction of a part ground floor (16.5m2), part first floor (9.7m2) rear extension with…
3 The Mews, Albert Close, Glasthule, Co Dublin
D17B/0480Dún Laoghaire–RathdownLodged 20 Oct 2017
- RefusedExtension
Permission for a two storey side extension, single storey rear extension and alterations to front elevation…
91 Stillorgan Wood, Stillorgan, Co Dublin
D17B/0586Dún Laoghaire–RathdownLodged 20 Dec 2017
- RefusedExtension
Permission for construction of a part ground floor (22.2m2), part first floor (13.3m2) rear extension with…
3, The Mews, Albert Close, Glasthule Co. Dublin.
D16B/0349Dún Laoghaire–RathdownLodged 11 Aug 2016
- GrantedExtension
Permission for the construction of a two-storey side and single-storey rear extension along with alterations…
Windward, Portrane Road, Donabate, K36 Y166
F25A/0851EFingalLodged 19 Sept 2025
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