1, Little Oaks, St. Margarets, Cross Avenue, Blackrock, Co. Dublin, A94EC62
External alterations including replacing a side extension and adding new windows and a dormer.
D23B/0101 · Dun Laoghaire Rathdown County Council · Lodged 10 March 2023
- Reference
- D23B/0101
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 March 2023
Summary
AI-generatedThe development consists of replacing an existing single-storey side extension. It also includes installing new attic and first-floor windows on the side elevations, and a new dormer window to the rear elevation.
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 is sought for alterations to the external elevations to include the replacement of existing single storey side extension and new attic window to side/south elevation: new first floor window and attic window side/north elevation; new dormer to replace roof light to back/east elevation; and all ancillary 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 6 Saint James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €832,599 | 32 m |
| 5 Saint James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €2,114,537 | 38 m |
| 1 St. James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €2,158,590 | 58 m |
| 3 St. James, Cross Avenue, Blackrockprice excludes VAT | Jul 2025 | €2,114,540 | 58 m |
| No.2 St. James, Cross Avenue, Blackrockprice excludes VAT | Sept 2025 | €2,114,540 | 58 m |
| 4 St James, Cross Avenue, Blackrockprice excludes VAT | Jan 2026 | €2,114,537 | 58 m |
| 7 St James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €975,000 | 58 m |
| Sperrin, Cross Avenue, Blackrock | Aug 2025 | €1,950,000 | 132 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 March 2023
- Decision due4 May 2023
- Decision issued28 April 2023
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 alterations to the external elevations, including changes to the windows and doors at the…
Little Oaks, 1, Saint Margarets, Cross Avenue, Blackrock, Co. Dublin
D14B/0031Dún Laoghaire–RathdownLodged 6 Feb 2014Alterations
- GrantedAt this site
Construction of a single storey conservatory extension to the side of dwelling house
Little Oaks, 1, Saint Margarets, Cross Avenue, Blackrock, Co. Dublin
D06B/0740Dún Laoghaire–RathdownLodged 14 Aug 2006Extension
- GrantedAt this site
Single storey conservatory extension to side of existing dwelling house
Little Oaks, 1, Saint Margarets, Cross Avenue, Blackrock, Co. Dublin
D08B/0402Dún Laoghaire–RathdownLodged 27 May 2008Retention
- Granted30 m away
Permission for development. The site is accessed via Cross Avenue. The site is 0.195 ha. in size. The…
'Goleen', Cross Avenue, Booterstown, Blackrock, Co. Dublin, A94E6F3
D22A/0582Dún Laoghaire–RathdownLodged 28 Oct 2022Housing estate
- Awaiting decision30 m away
Compliance with Condition no. 9 of reg ref D22A/0582
'Goleen', Cross Avenue, Booterstown, Blackrock, Co. Dublin, A94E6F3
D22A/0582/C1Dún Laoghaire–RathdownLodged 11 Jul 2023Other
- Awaiting decision30 m away
Compliance with Condition no. 10 of reg ref D22A/0582
'Goleen', Cross Avenue, Booterstown, Blackrock, Co. Dublin, A94E6F3
D22A/0582/C2Dún Laoghaire–RathdownLodged 11 Jul 2023Other
- Compliance submission30 m away
Compliance with Condition No. 19 of Reg .Ref . D22A/0582 Naming & Numbering
'Goleen', Cross Avenue, Booterstown, Blackrock, Co. Dublin, A94E6F3
D22A/0582/C1/N&NDún Laoghaire–RathdownLodged 16 Aug 2023Other
- Awaiting decision30 m away
Compliance with Condition no. 11 of reg ref D22A/0582
'Goleen', Cross Avenue, Booterstown, Blackrock, Co. Dublin, A94E6F3
D22A/0582/C3Dún Laoghaire–RathdownLodged 31 Jul 2023Other
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
Permission sought for extensions at ground and first floor level to both the front and rear elevations,…
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2118/19Dublin CityLodged 25 Jan 2019
- GrantedExtension
Permission is sought for a part single/part two storey extension to the front/side, single storey extension…
29 Castleknock Way, Castleknock, Dublin 15, D15 KW50
FW24A/0528FingalLodged 13 Dec 2024
- GrantedExtension
Permission sought for extensions and alterations to the house comprising a ground floor extension to the…
12, Brighton Court, Foxrock, Dublin 18
D07B/0086Dún Laoghaire–RathdownLodged 30 Jan 2007
- GrantedExtension
Permission is sought for — New ground floor extension side/rear
44, St Helen's Road, Mount Merrion, Blackrock, Co Dublin, A94P865
D20A/1005Dún Laoghaire–RathdownLodged 15 Apr 2021
- GrantedExtension
Permission is sought for; attic bedroom conversion with dormer roof and window to rear; new windows to attic…
3, The Slopes, Monkstown, Co. Dublin
D10B/0404Dún Laoghaire–RathdownLodged 23 Sept 2010
- GrantedExtension
Permission is sought for modification to existing dwelling house comprising one storey extension to front and…
35, Riverside Drive, Dublin 14
D11B/0268Dún Laoghaire–RathdownLodged 9 Aug 2011
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