20, Deansgrange Road, Blackrock, Co Dublin, A94F9T3
Reconstruction and extension of a garage and utility area to provide a home office, WC, and kitchen extension.
D21A/0046 · Dun Laoghaire Rathdown County Council · Lodged 22 January 2021
- Reference
- D21A/0046
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 January 2021
Summary
AI-generatedThe development involves reconstructing and extending the existing garage and utility area to create a home office, WC, and kitchen extension. It also includes window modifications and the installation of three rooflights.
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 a development as follows: reconstruct and extend the existing garage and utility area to the south elevation to provide a home office and wc (replacing the existing garage), and an extension to the existing kitchen (replacing the existing utility area), enlarge the window in bedroom 3 to east elevation, box bay window to bedroom 1 to east elevation, box bay window to living room to west elevation, 1 rooflight on southern roof slope, 2 rooflights on northern roof slope, widen ...
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 |
|---|---|---|---|
| 17 Deansgrange Road, Blackrock, Co Dublin | Aug 2025 | €1,020,000 | 36 m |
| 32 Springhill Park, Blackrock, Dublinnot full market price | Dec 2025 | €533,333 | 70 m |
| 3 St Fintans Villas, Deans Grange, Dublin | Mar 2026 | €525,000 | 104 m |
| Rock View, Deans Grange Rd, Blackrock | Jun 2026 | €1,142,500 | 108 m |
| 7 St Fintans Villas, Deans Grange, Blackrock | Jun 2026 | €725,000 | 133 m |
| 4 St Fintans Park, Deans Grange, Blackrock | Feb 2025 | €552,000 | 153 m |
| 33 St Fintans Park, Deans Grange, Blackrock | Dec 2025 | €570,000 | 178 m |
| 14 St Fintan'S Villas, Deansgrange, Blackrock | Apr 2026 | €480,000 | 182 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 received22 January 2021
- Decision issued10 March 2021
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 to remove existing concrete flat roof and to construct a pitched tile roof over existing domestic…
18 Deans Grange Road, Blackrock, Co. Dublin
D20B/0091Dún Laoghaire–RathdownLodged 25 Mar 2020Change of use
- Granted40 m away
Permission for (1) Widening of existing vehicular entrance from 3000mm to 3500mm. (2) Extending existing…
Hanalow, 17 Deansgrange Road, Deansgrange, Co. Dublin
D20A/0563Dún Laoghaire–RathdownLodged 13 Aug 2020Extension
- Granted50 m away
Permission for the demolition of the existing sunroom and garage to erect a single storey extension and…
16 Deansgrange Road, Blackrock, Co Dublin
D15B/0189Dún Laoghaire–RathdownLodged 25 May 2015Extension
- Granted50 m away
Amendments to the grant of planning permission (Reg. Ref. No. D25A/0029/WEB) to comprise the construction of…
32 Springhill Park, Blackrock, Co. Dublin, A94FP97
D26A/0253/WEBDún Laoghaire–RathdownLodged 31 Mar 2026Alterations
- Invalid50 m away
Amendments to the grant of planning permission (Reg. Ref. No. D25A/0029/WEB) to comprise the construction of…
32, Springhill Park, Blackrock, Co. Dublin, A94FP97
D26A/0239/WEBDún Laoghaire–RathdownLodged 27 Mar 2026Extension
- Refused60 m away
For new 2 storey dwelling to rear of my home with new vehicular entrance fronting onto St. Fintans Villas all…
70, Saint Fintan's Villas, (Deansgrange Road), Deansgrange, Co. Dublin
D04A/1479Dún Laoghaire–RathdownLodged 15 Dec 2004New dwelling
- Refused60 m away
Permission is sought for the construction of a detached two-storey, 3-bedroom dwelling to the side of the…
69, Saint Fintans Villas, Deansgrange Road, Blackrock, Co. Dublin.
D17A/0572Dún Laoghaire–RathdownLodged 23 Jun 2017New dwelling
- Invalid60 m away
The construction of a one & a half story high side extension to comprise an entrance hall and staircase, and…
32, Springhill Park, Blackrock, Co. Dublin, A94FP97
D25A/0024/WEBDún Laoghaire–RathdownLodged 13 Jan 2025Extension
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- GrantedExtension
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