20, Rowanbyrn, Deansgrange, Co. Dublin
Demolition of an existing garage and utility room to build a two-storey side and rear extension and a new garden shed.
D11B/0099 · Dun Laoghaire Rathdown County Council · Lodged 28 March 2011
- Reference
- D11B/0099
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 March 2011
Summary
AI-generatedThe development consists of the demolition of an existing garage, boiler, and utility room. In its place, a two-storey extension of 59 square meters will be constructed to the side and rear, alongside a small single-storey garden shed and associated landscaping.
- Storeys
- 2
- Floor area
- 59 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
Planning permission is sought for development which consists of: the demolition of an existing garage, boiler and utility room, and the construction of a 2-storey 59sq. M extension to the side and rear (height 5.9m above finished ground floor level), single storey 4sq. M shed (2.6m above finished ground level) and associated site works and landscaping.
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 |
|---|---|---|---|
| 23 Rowanbyrn, Blackrock, Dublin | Mar 2026 | €772,000 | 33 m |
| 48 Marian Park, Blackrock, County Dublin | Feb 2026 | €710,000 | 115 m |
| 59 Mount Albany, Blackrock, Dublin | Mar 2026 | €906,000 | 119 m |
| 29 Marian Park, Blackrock, Dublin | Jun 2025 | €560,000 | 133 m |
| 117 Rowanbyrn, Blackrock, Co Dublinnot full market price | Sept 2025 | €255,109 | 134 m |
| 61 Mount Albany, Blackrock, Dublin | Dec 2025 | €1,100,000 | 134 m |
| 50 Rowanbyrn, Blackrock, Dublin | Jul 2025 | €825,000 | 147 m |
| 19 Brookville Park, Blackrock, Co Dublin | Jul 2025 | €886,918 | 169 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 received28 March 2011
- Decision issued18 May 2011
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 for development consisting of demolition of existing single storey attached garage and…
19, Rowanbyrn, Blackrock, Co. Dublin
D17B/0366Dún Laoghaire–RathdownLodged 4 Aug 2017Extension
- Granted30 m away
(a) demolition of single storey attached garage to side (west) and rear, (b) construction of single storey…
23, Rowanbyrn, Blackrock, Dublin, A94HD74
D25A/0271/WEBDún Laoghaire–RathdownLodged 3 Apr 2025Extension
- Granted40 m away
Demolition of existing garage and the construction of a two-storey extension to the side, a single storey…
24, Rowanbyrn, Blackrock, Co. Dublin.
D08B/0041Dún Laoghaire–RathdownLodged 28 Jan 2008Extension
- Granted40 m away
Retention permission and permission. The development will consist of retention permission for the conversion…
14, Rowanbyrne, Blackrock, Co Dublin
D22A/0047Dún Laoghaire–RathdownLodged 25 Jan 2022Extension
- Refused40 m away
Two storey detached house on site to side
126, Rowanbyrn, Blackrock, Co. Dublin
D04A/0651Dún Laoghaire–RathdownLodged 4 Jun 2004New dwelling
- Granted50 m away
For a two storey detached house on site to side together with associated on and off site and landscaping works
126, Rowanbyrn, Blackrock, Co. Dublin
D05A/0483Dún Laoghaire–RathdownLodged 24 Jun 2005New dwelling
- Refused50 m away
Retention permission is sought for existing single storey, temporary site office in the back garden of this…
40, Marian Park, Newtownpark Avenue, Blackrock, Co. Dublin
D10A/0195Dún Laoghaire–RathdownLodged 12 Apr 2010Retention
- Refused50 m away
Retention permission is sought for existing single storey, temporary site office in the back garden of the…
40, Marian Park, Newtownpark Avenue, Blackrock, Co. Dublin
D10B/0354Dún Laoghaire–RathdownLodged 10 Aug 2010Retention
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 consisting of demolition of garage, and 2 story return, construction of…
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D16A/0363Dún Laoghaire–RathdownLodged 20 May 2016
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D21A/1133Dún Laoghaire–RathdownLodged 21 Dec 2021
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Permission for development which consists of the demolition of a converted garage and the construction of a…
49 Glenard Crescent , Galway
2386Galway CityLodged 11 Apr 2023
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Permission is sought for the demolition of an existing single storey annex (former garage structure) and…
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D21B/0041Dún Laoghaire–RathdownLodged 10 Feb 2021
- GrantedExtension
Planning permission is sought for the following: (i) Partial demolition of existing extension to the side &…
47 Grove Park Road, Glasnevin, Dublin 11
2534/18Dublin CityLodged 16 Mar 2018
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