11, Stillorgan Park, Stillorgan, Co. Dublin, A94 W596
Ground and first-floor extensions, and conversion of a garage into a granny flat.
D18A/0519 · Dun Laoghaire Rathdown County Council · Lodged 27 August 2018
- Reference
- D18A/0519
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 August 2018
Summary
AI-generatedThe application proposes a 32 square metre ground floor rear extension and a 16 square metre first floor rear extension. It also includes converting the existing garage into a granny flat with a front canopy and an internal link to the main house.
- Floor area
- 48 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
- Proposed ground floor extensions (32 sqm) to rear of existing dwelling
- Proposed conversion of existing garage as part of granny flat including front entrance canopy and new internal link from main dwelling
- Proposed first floor extension (16 sqm) to rear of existing dwelling
- Modifications to existing dwelling to accommodate proposed extensions
- All ancillary site works to facilitate proposal
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 17 April 2019.
Notified floor area: 172 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 6 Stillorgan Park, Blackrock, Dublin | Mar 2026 | €1,380,000 | 51 m |
| Rhus Lodge, 17 Stillorgan Park, Blackrock | Jun 2025 | €1,460,000 | 63 m |
| 41 Stillorgan Park, Blackrock, Dublin | Jul 2025 | €2,806,000 | 89 m |
| 1 Obelisk Ave, Blackrock, Dublin | Dec 2025 | €625,000 | 91 m |
| 2 Obelisk Walk, St Augustines Park, Carysfort Ave | Feb 2025 | €555,000 | 96 m |
| Ashleigh Cottage, Stillorgan Park, Blackrock | Jul 2025 | €1,225,500 | 140 m |
| 14 Obelisk Ave, Blackrock, Dublin | Aug 2025 | €557,000 | 177 m |
| 15 Obelisk Ave, St Augustines Park, Blackrock Dublin | Dec 2025 | €563,000 | 185 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 received27 August 2018
- Decision issued20 September 2018
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
Extension to a semi-detached dwelling. Construction of single storey flat roof front extension, replace…
12, Stillorgan Park, Stillorgan, Dublin, A94XV26
D24B/0075Dún Laoghaire–RathdownLodged 23 Feb 2024Extension
- GrantedAt this site
The development will consist of proposed alterations and extensions to existing 2 storey semi-detached house…
13, Stillorgan Park, Blackrock, Co. Dublin
D08B/0480Dún Laoghaire–RathdownLodged 26 Jun 2008Extension
- Granted30 m away
Permission is sought for the demolition of the existing single storey extensions to the side and rear and the…
8, Stillorgan Park, Blackrock, Co. Dublin.
D08A/0470Dún Laoghaire–RathdownLodged 25 Apr 2008Alterations
- Granted30 m away
Retention of double doors and decorative balcony at rear on first floor bedroom (balcony used for safety and…
14, Stillorgan Park, Blackrock, Co. Dublin
D04B/0200Dún Laoghaire–RathdownLodged 24 Jun 2004Retention
- Granted30 m away
2 storey extension to side of existing house, extend front lounge into bay with tiled roof to front, single…
14 Stillorgan Park, Blackrock, Co. Dublin.
D02B/0441Dún Laoghaire–RathdownLodged 12 Jun 2002Extension
- Granted40 m away
Extension to side and rear of existing house with alterations to front elevation, with conversion of…
7, Stillorgan Park, Blackrock, Co. Dublin.
D05B/0726Dún Laoghaire–RathdownLodged 3 Jan 2006Extension
- Granted40 m away
Permission is sought for the construction of single and two storey extensions to side and rear of existing…
15, Stillorgan Park, Blackrock, Co. Dublin
D11B/0354Dún Laoghaire–RathdownLodged 5 Jan 2012Extension
- Granted50 m away
For alterations to the existing dwelling house incorporating, conversion of the existing attic into a…
16, Stillorgan Park, Blackrock, Co. Dublin
D05B/0338Dún Laoghaire–RathdownLodged 19 Jul 2005Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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Permission for the conversion of the garage to side and rear to a granny flat, construction of a connection…
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