San Antóine, Cross Avenue, Blackrock, Dublin, A94P9P5
Demolition of a conservatory and shed, garage conversion, and construction of a part-two-storey rear and side extension.
D24A/0132 · Dun Laoghaire Rathdown County Council · Lodged 5 March 2024
- Reference
- D24A/0132
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 5 March 2024
Summary
AI-generatedThe project involves the demolition of a rear conservatory and detached shed, followed by the conversion of the attached garage into habitable space. It also includes the construction of a part-single, part-two-storey extension to the side and rear, increasing the floor area from 171.41 sqm to 268.59 sqm, alongside widening the vehicular entrance.
- Floor area
- 269 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
A) demolition of existing single-storey conservatory to the rear of the existing dwelling measuring 11.96 sq. M and demolition of existing single-storey detached shed to the rear of the existing dwelling measuring 5 sq. M. B) conversion of the existing attached garage to the side of the existing dwelling to habitable space to include a new window with obscure glazing to the front elevation. C) construction of a new part-single storey, part-single storey-and-a-half extension to the rear and part two-storey extension to the side and rear of the existing dwelling resulting in an overall increase the gross floor space from 171.41 sq. M to 268.59 sq. M. D) alterations to the roof profile to the side of the existing dwelling to the front elevation to accomodate new two storey extension. E) alterations to the front elevation to include two new windows to the side wall of the existing bay projection at ground floor and first floor level. F) the widening of the existing vehicular entrance from 2888 mm to 3500 mm to include the construction of a new pillar to match the existing entrance pillar. G) all associated site and landscaping 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 15 October 2024.
Notified floor area: 268.59 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Sperrin, Cross Avenue, Blackrock | Aug 2025 | €1,950,000 | 26 m |
| Dunboden, Cross Ave, Blackrock | Jun 2026 | €2,325,000 | 85 m |
| 5 Saint James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €2,114,537 | 100 m |
| 6 Saint James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €832,599 | 106 m |
| 7 St James, Cross Avenue, Blackrockprice excludes VAT | Dec 2025 | €975,000 | 119 m |
| 3 St. James, Cross Avenue, Blackrockprice excludes VAT | Jul 2025 | €2,114,540 | 119 m |
| No.2 St. James, Cross Avenue, Blackrockprice excludes VAT | Sept 2025 | €2,114,540 | 119 m |
| 4 St James, Cross Avenue, Blackrockprice excludes VAT | Jan 2026 | €2,114,537 | 119 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 received5 March 2024
- Decision due29 April 2024
- Decision issued24 April 2024
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 alterations to roof profile at the side, new first floor window in…
Culmore, Cross Avenue, Blackrock, Co Dublin
D13B/0119Dún Laoghaire–RathdownLodged 11 Apr 2013Alterations
- GrantedAt this site
Permission for alterations to roof profile at the side, new first floor window inside wall and removal of…
'Culmore', Cross Avenue, Blackrock, Co. Dublin
D19B/0410Dún Laoghaire–RathdownLodged 5 Sept 2019Alterations
- Granted30 m away
Permission is sought for domestic side extension (including minor internal and external alterations)
Larkfield, Cross Avenue, Booterstown, Co. Dublin
D10B/0168Dún Laoghaire–RathdownLodged 13 Apr 2010Extension
- Compliance submission30 m away
Compliance with Condition No.3 of ABP31894124, (Reg Ref No. D23A/0710)
30, Glenvar Park, Blackrock, Dublin, A94F2X7
D23A/0710/C1Dún Laoghaire–RathdownLodged 2 Jul 2025Other
- Granted40 m away
Widen vehicular entrance to front off Glenvar Park to 3.6m, two storey extension to front with single/two…
30, Glenvar Park, Blackrock, Dublin, A94F2X7
D23A/0710Dún Laoghaire–RathdownLodged 14 Nov 2023Extension
- Granted40 m away
Variations to previously approved grant of permission (Reg Ref No D23A/0710) for detached dwelling extension…
30, Glenvar Park, Blackrock, Dublin, A94F2X7
D25A/0648/WEBDún Laoghaire–RathdownLodged 21 Aug 2025Alterations
- Granted40 m away
Retention permission is sought for variation of detached single-storey shed/home office granted permission…
30 Glenvar Park, Blackrock, Co Dublin, A94 F2X7
D25A/0344/WEBDún Laoghaire–RathdownLodged 29 Apr 2025Retention
- Granted50 m away
Planning permission is sought for the substantial demolition of existing dwelling & chimneys, the demolition…
28, Glenvar Park, Blackrock, Co. Dublin
D11A/0509Dún Laoghaire–RathdownLodged 7 Nov 2011Extension
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