25 St. Fintans Park, Blackrock, Co. Dublin
Construction of a first-floor rear extension to an existing house.
D20B/0229 · Dun Laoghaire Rathdown County Council · Lodged 31 July 2020
- Reference
- D20B/0229
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 July 2020
Summary
AI-generatedThe project involves building a 16 square metre first-floor extension to the rear of the existing single-family home, along with installing new flat rooflights and associated site works.
- 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 is sought for the following: (1) construction of 16m² first floor extension to the rear of existing single family dwelling, new flat rooflights to existing flat roof 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 69 Kill Abbey, Deans Grange, Dublin | Jun 2025 | €875,000 | 92 m |
| 33 St Fintans Park, Deans Grange, Blackrock | Dec 2025 | €570,000 | 98 m |
| 52 Kill Abbey, Kill O The Grange, Blackrock | Feb 2026 | €770,000 | 120 m |
| 4 St Fintans Park, Deans Grange, Blackrock | Feb 2025 | €552,000 | 121 m |
| 80 St Fintans Park, Deans Grange, Dublin | Sept 2025 | €826,000 | 148 m |
| 49 Kill Abbey, Kill O' The Grange, Blackrock | Aug 2025 | €965,000 | 151 m |
| 16 St Fintans Villas, Deans Grange, Blackrockprice excludes VAT | Jan 2026 | €1,092,511 | 155 m |
| 81 St Fintans Park, Deansgrange, Dublin | Dec 2025 | €637,000 | 159 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 received31 July 2020
- Decision issued21 September 2020
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 the following (1) demolition of single storey extension to rear, (2) construction of…
22 St. Fintans Park, Blackrock, Co Dublin
D22A/0666Dún Laoghaire–RathdownLodged 6 Sept 2022Extension
- Refused50 m away
For a semi-detached 2 storey, 2 bedroom house with new vehicular entrance to the side of the existing 2…
44, Saint Fintan's Park, Deansgrange, Co. Dublin
D04A/1440Dún Laoghaire–RathdownLodged 8 Dec 2004New dwelling
- Granted60 m away
For development comprising the demolition of an existing porch ,garage and shed; the provision of an…
45, Saint Fintan's Park, Deansgrange, Co. Dublin
D04A/0821Dún Laoghaire–RathdownLodged 22 Jul 2004New dwelling
- Refused60 m away
Amendments to previously approved dwelling (under Reg. Ref.D04A/0821) to the side garden to include a minor…
45, Saint Fintan's Park, Deansgrange, Co. Dublin
D05A/0422Dún Laoghaire–RathdownLodged 7 Apr 2005Alterations
- Granted60 m away
Permission is sought for a 2 storey extension to side and for a new vehicular entrance
38, Saint Fintans Park, Deansgrange, Co. Dublin
D07A/1758Dún Laoghaire–RathdownLodged 20 Dec 2007Extension
- Granted60 m away
Retention of reduction to previously approved scheme P/0577/08 by omission of first floor
38, Saint Fintan's Park, Deansgrange, Co. Dublin
D08A/0930Dún Laoghaire–RathdownLodged 15 Aug 2008Retention
- Granted70 m away
Retention planning permission for two storey extension to rear & small single storey extension to side which…
37 St. Fintan's Park, Deansgrange, Co. Dublin.
D22B/0478Dún Laoghaire–RathdownLodged 24 Nov 2022Retention
- Granted80 m away
Partial demolition of single storey extension to rear of house. Construction of two storey extension to the…
58, St. Fintans Park, Deansgrange, Co. Dublin
D03B/0644Dún Laoghaire–RathdownLodged 26 Aug 2003Extension
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 a single storey extension to the front and rear of the existing dwelling
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Permission for (1) Construction of a single-storey extension to the rear of the existing dwelling, (2)…
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2543613Cork CityLodged 31 Jan 2025
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Permission for the construction of a proposed single storey extension to the side, front and rear of the…
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234573corkLodged 29 Mar 2023
- GrantedExtension
Permission for the construction of a first floor extension over existing flat roof to the south-east of the…
Barnacullia, Sandyford, Dublin 18
D14B/0360Dún Laoghaire–RathdownLodged 28 Oct 2014
- GrantedExtension
Permission for construction of a rear first floor flat roof extension, the provision of 2 rooflights to the…
70, O'Connell Gardens, Sandymount, Dublin 4, D04 X593
3860/20Dublin CityLodged 3 Dec 2020
- GrantedExtension
Permission is sought for the construction of a new single storey extension to the rear and side of existing…
16, Glencairn Court, The Gallops, Leopardstown, Dublin 18
D17B/0337Dún Laoghaire–RathdownLodged 18 Jul 2017
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