18A, Saint Fintan's Villas, Deansgrange, Blackrock, Dublin, A94F6V9
Ground and first-floor extensions to a house in Deansgrange, including a garden office.
D23B/0237 · Dun Laoghaire Rathdown County Council · Lodged 19 May 2023
- Reference
- D23B/0237
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 May 2023
Summary
AI-generatedThe project includes a ground-floor rear extension, a new front porch, a first-floor rear extension for two bedrooms, and a reconfigured main bedroom. It also features a small extension to an existing garden gym and a new single-storey garden office.
- Floor area
- 158 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
Extension of the ground floor to the rear comprising of reconfigured layouts with pitched roof over and associated fenestrations & roof lights. New porch area to the front. The construction of a first-floor extension to the rear comprising of 2 no. New bedroom & bathroom with associated fenestrations and hipped roof over. Reconfigured stairs and new main bedroom with a gross internal floor area of 157.6m2. Extension to existing gym by 1.7m2 in the rear garden to accomodate new shower facility increasing floor area to 22.6m2. New single storey 16.8m2 shomera/office space 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 |
|---|---|---|---|
| 16 St Fintans Villas, Deans Grange, Blackrockprice excludes VAT | Jan 2026 | €1,092,511 | 20 m |
| 14 St Fintan'S Villas, Deansgrange, Blackrock | Apr 2026 | €480,000 | 56 m |
| 7 St Fintans Villas, Deans Grange, Blackrock | Jun 2026 | €725,000 | 85 m |
| 25 St Fintans Villas, Deansgrange, Dublin | Aug 2025 | €852,500 | 91 m |
| 33 St Fintans Park, Deans Grange, Blackrock | Dec 2025 | €570,000 | 94 m |
| 3 St Fintans Villas, Deans Grange, Dublin | Mar 2026 | €525,000 | 114 m |
| 4 St Fintans Park, Deans Grange, Blackrock | Feb 2025 | €552,000 | 122 m |
| 29 St Fintan's Villas, Deansgrange, Co Dublin | Sept 2025 | €508,000 | 136 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 received19 May 2023
- Decision due13 July 2023
- Decision issued31 May 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
Two storey dwelling to side
18, Saint Fintan's Villas, Deansgrange, Co. Dublin
D04A/0041Dún Laoghaire–RathdownLodged 16 Jan 2004New dwelling
- GrantedAt this site
Extension of the ground floor to the rear comprising of reconfigured layouts with pitched roof over and…
18A, Saint Fintan's Villas, Deansgrange, Blackrock, Dublin, A94F6V9
D23B/0318Dún Laoghaire–RathdownLodged 5 Jul 2023Extension
- GrantedAt this site
The development will consist of the demolition of existing ground floor extension to the rear. The…
18, St Fintans Villas, Deansgrange, Blackrock, Co Dublin, A94H5PO
D25B/0736Dún Laoghaire–RathdownLodged 22 Dec 2025Extension
- GrantedAt this site
Single storey dwelling to rear with new front entrance
16, Saint Fintans Villas, Deansgrange, Blackrock, Co. Dublin
D07A/1226Dún Laoghaire–RathdownLodged 17 Apr 2008New dwelling
- RefusedAt this site
Construction of a Mews terrace of 3 no. 2 storey, 3-bedroom dwellings (120 sq.M), and all associated site…
16 Saint Fintans Villas, Deansgrange, Blackrock, Dublin, A94RT93
D25A/0361/WEBDún Laoghaire–RathdownLodged 6 May 2025New dwelling
- GrantedAt this site
To construct alterations and additions to rear at ground and first floor level
20, Saint Fintan's Villas, Deansgrange, Co. Dublin
D05B/0276Dún Laoghaire–RathdownLodged 19 Apr 2005Extension
- GrantedAt this site
Demolition of existing shed — construction of a new detached dwelling to the side of the existing dwelling
20, Saint Fintan's Villas, Deansgrange, Blackrock, Dublin, A94E6N7
D23A/0296Dún Laoghaire–RathdownLodged 3 May 2023New dwelling
- Awaiting decisionAt this site
Compliance with Condition No.6 of ACP32315825, (Reg Ref No. D25A/0361/WEB)
16 Saint Fintans Villas, Deansgrange, Blackrock, Dublin, A94RT93
D23A/0361/WEB/C3Dún Laoghaire–RathdownLodged 14 Apr 2026Other
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
Extension of the ground floor to the rear comprising of reconfigured layouts with pitched roof over and…
18A, Saint Fintan's Villas, Deansgrange, Blackrock, Dublin, A94F6V9
D23B/0318Dún Laoghaire–RathdownLodged 5 Jul 2023
- GrantedExtension
1 ) Front ground floor Extension of 16sqm comprising of extensions to living room and hall (2) Rear ground…
22, Barton Road West, Dublin 14
SD23B/0138South DublinLodged 28 Mar 2023
- Awaiting decisionExtension
(a) Construction of 83sqm first floor extension with flat roof to rear over existing single storey extension;…
Dromagh , Westown , Johnstown
21804KildareLodged 4 Jun 2021
- GrantedExtension
The construction of single and two storey extensions to the existing single storey dwelling house, internal…
23 Dromin Road , Nenagh , Co.Tipperary
2560349TipperaryLodged 23 Apr 2025
- GrantedExtension
1.new 2-storey extension to front and back to create new double height kitchen area at ground floor and…
Carbury , Parsonstown , County Kildare
2561226KildareLodged 28 Oct 2025
- GrantedExtension
Demolition of part ground and first floor to the rear. The construction of a new 2 storey rear extension…
23, Library Road, Dun Laoghaire, Dublin, A96F9W9
D23B/0321Dún Laoghaire–RathdownLodged 5 Jul 2023
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