20, Leopardstown Drive, Stillorgan, Dublin, A94T660
Extensions to the front and rear, roof modifications, and attic conversion.
D25B/0515 · Dun Laoghaire Rathdown County Council · Lodged 17 September 2025
- Reference
- D25B/0515
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 17 September 2025
Summary
AI-generatedThe development includes a single-storey rear extension, a two-storey front extension with a hipped roof and bay window, a front porch, and an attic conversion with a roof change to a gable roof.
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) the construction of a single storey rear extension. B) the construction of a two-storey hipped roof together with the construction of a two-storey bay window and a single-storey porch extension, all to the front of the existing house. C) the conversion of the existing attic space with associated rooflights and the amendment of the roof to a gable roof. D) internal reconfiguration and refurbishment work, together with all associated site development works, drainage, landscaping and ancillary 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 |
|---|---|---|---|
| 20 Leopardstown Drive, Blackrock, County Dublin | Mar 2025 | €780,000 | 7 m |
| 6 Leopardstown Drive, Blackrock, Co Dublin | Dec 2025 | €830,000 | 75 m |
| 27 Leopardstown Dr, Blackrock, Dublin | Jun 2026 | €941,503 | 99 m |
| 14 Leopardstown Park, Blackrock, Co Dublin | Feb 2026 | €1,041,755 | 112 m |
| 13 Leopardstown Park, Blackrock, Dublin | Mar 2025 | €860,000 | 152 m |
| 5 Leopardstown Park, Stillorgan, Dublin | Dec 2025 | €910,000 | 164 m |
| 39 Leopardstown Dr, Leopardstown, Dublin 18 | Aug 2025 | €1,000,000 | 165 m |
| 41 Leopardstown Park, Blackrock, Dublin | Jan 2026 | €1,150,000 | 181 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 received17 September 2025
- Decision due11 November 2025
- Decision issued7 November 2025
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 A) The construction of a single-storey porch at ground-floor level to the front of…
20 Leopardstown Drive, Stillorgan, Dublin, A94T660
D26B/0008Dún Laoghaire–RathdownLodged 12 Jan 2026Extension
- GrantedAt this site
Permission is sought for A) Minor demolition works to the existing dwelling, including the removal of all…
Ouvane, 24 Leopardstown Drive, Blackrock, Dublin, A94FW62
D25B/0442/WEBDún Laoghaire–RathdownLodged 6 Aug 2025Extension
- Granted40 m away
The development seeking permission will consist of building up the side gable wall (with small hip) with…
33, Leopardstown Avenue, Blackrock, Dublin, A94PX31
D25B/0289/WEBDún Laoghaire–RathdownLodged 23 May 2025Alterations
- Compliance submission40 m away
Compliance with Condition No.2 of Reg Ref No.D25B/0289/WEB
33, Leopardstown Avenue, Blackrock, Dublin, A94PX31
D25B/0289/WEB/C1Dún Laoghaire–RathdownLodged 26 Sept 2025Other
- Granted40 m away
Permission for the conversion of the existing attic space for a bedroom and en-suite bathroom. To include a…
31 Leopardstown Avenue, Leopardstown, Co Dublin
D14B/0197Dún Laoghaire–RathdownLodged 6 Jun 2014Extension
- Granted40 m away
Permission is sought for construction of a new 1-storey bedroom addition to first floor over existing garage…
39, Leopardstown Avenue, Co. Dublin
D12B/0241Dún Laoghaire–RathdownLodged 18 Jul 2012Extension
- Refused40 m away
Permission for the conversion of the existing attic space for a bedroom and en-suite bathroom. To include…
31, Leopardstown Avenue, Leopardstown, Co. Dublin
D13B/0313Dún Laoghaire–RathdownLodged 23 Sept 2013Extension
- Granted50 m away
Front and side extension. [LOCATION] 43 Leopardstown Avenue, Blackrock. [LOCATION]
43 Leopardstown Avenue, Blackrock.
D02B/0387Dún Laoghaire–RathdownLodged 30 May 2002Extension
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
A) The conversion of the attic space and the construction of two dormers with associated rooflights. B) The…
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D25A/0748Dún Laoghaire–RathdownLodged 30 Sept 2025
- GrantedExtension
A) A small single and two story flat roof extension to the rear B) Attic conversion to include roof windows…
17, Langrishe Place, Dublin 1
WEB1511/19Dublin CityLodged 26 Aug 2019
- GrantedExtension
A) The provision of fenestration revisions and velux rooflight to the rear and side of the property. B) The…
17, Cowper Downs, Rathmines, Dublin 6, D06 R7F9
WEB1076/25Dublin CityLodged 16 Jan 2025
- GrantedExtension
A single storey rear extension with internal ground floor alterations to provide a kitchen/dining/living area…
74 Villa Park Gardens, Navan Road, Dublin 7, D07 C58X
3269/25Dublin CityLodged 19 Jun 2025
- GrantedExtension
The development consists of: (A) A single storey extension to the rear of the existing house with associated…
40, Iona Road, Drumcondra, Dublin 9, D09 N7N0
3298/18Dublin CityLodged 19 Jun 2018
- InvalidExtension
The development will consist of, A) A small single and two story flat roof extension to the rear B) Attic…
17, Langrishe Place, Dublin 1
WEB1499/19Dublin CityLodged 19 Aug 2019
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