20 Brooklawn, Blackrock, Co Dublin
Two-storey rear and side extension, plus a small front extension to a house in Blackrock.
D18B/0454 · Dun Laoghaire Rathdown County Council · Lodged 28 December 2018
- Reference
- D18B/0454
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 December 2018
Summary
AI-generatedThe application proposes extensions and alterations totalling 79.05 sqm. This includes a two-storey extension to the rear and side, a small single-storey front extension with a canopy, and internal layout changes.
- Storeys
- 2
- Floor area
- 79 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 extensions and alterations to existing dwelling totalling 79.05 sqm. The works include
- Two storey extension to rear and side of existing dwelling. 2.6. 09 sqm single storey extension to the front of the existing dwelling to include a covered canopy over the entrance
- Alterations to existing elevations and internal layout and all associated site 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 30 August 2022.
Notified floor area: 79.05 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 15 Brooklawn, Mount Merrion Ave, Blackrock | Mar 2025 | €875,000 | 32 m |
| 2 Sydney Mews, Sydney Avenue, Blackrock | Jun 2025 | €1,300,000 | 90 m |
| 43 Mount Merrion Ave, Blackrock, Dublin | Feb 2025 | €865,000 | 102 m |
| 61 Woodview Apts Block E, Mount Merrion Avenue, Blackrock | May 2025 | €750,000 | 122 m |
| 58 Woodview, Mount Merrion Avenue, Co Dublin | Jul 2025 | €760,000 | 122 m |
| 73 Woodview, Mount Merrion Ave, Blackrock Dublin 4 | Mar 2026 | €791,000 | 122 m |
| 69 Woodview, Mount Merrion Ave, Blackrock | Apr 2025 | €685,600 | 132 m |
| 35 Woodview, Mount Merrion Ave, Blackrock | Sept 2025 | €580,000 | 152 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 December 2018
- Decision issued28 January 2019
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Permission is sought for a first floor extension to rear of existing house
23, Brooklawn, Blackrock, Co Dublin
D07B/0267Dún Laoghaire–RathdownLodged 26 Mar 2007Extension
- Invalid40 m away
For the development at this site: 23 Brooklawn, Mount Merrion Ave, Blackrock, Co Dublin, A94 V2W0. The…
23, Brooklawn, Mount Merrion Ave, Blackrock, Co. Dublin, A94V2W0
D25A/0293/WEBDún Laoghaire–RathdownLodged 10 Apr 2025New dwelling
- Granted40 m away
Planning permission is sought for a proposed development. The proposed development will consist of the…
23, Brooklawn, Mount Merrion Ave, Blackrock, Co. Dublin A94V2W0
D25A/0432Dún Laoghaire–RathdownLodged 30 May 2025New dwelling
- Exempt — no permission needed40 m away
1 dwelling
23 Brooklawn, Mount Merrion Ave, Blackrock, Co. Dublin, A94 V2W0
V/042/25Dún Laoghaire–RathdownLodged 30 May 2025
- Granted40 m away
Alterations to railings to form vehicular gateway and car space in front garden
46, Sydney Avenue, Blackrock, Dublin
D08A/0598Dún Laoghaire–RathdownLodged 23 May 2008Alterations
- Granted40 m away
For the erection of (1) A single storey extension of 19.5 sq.m. for use as a kitchen (2) A first floor…
14, Brooklawn, Mount Merrion Avenue, Blackrock, Co. Dublin
D06B/0832Dún Laoghaire–RathdownLodged 13 Sept 2006Extension
- Compliance submission40 m away
Compliance with Condition No.2 of Reg Ref No. D25A/1002/WEB
48, Sydney Avenue, Blackrock, Dublin, A94D2T0
D25A/1002/WEB/C1Dún Laoghaire–RathdownLodged 6 May 2026Other
- Awaiting decision40 m away
Compliance with Condition No.2 of Reg Ref No. D25A/1002/WEB
48, Sydney Avenue, Blackrock, Dublin, A94D2T0
D25A/1002/WEB/C2Dún Laoghaire–RathdownLodged 14 Jul 2026Other
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