50 Coolnevaun, Stillorgan, Co Dublin
First-floor side extension, single-storey rear extension, garage conversion, and retention of a widened driveway.
D18A/1098 · Dun Laoghaire Rathdown County Council · Lodged 23 November 2018
- Reference
- D18A/1098
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 November 2018
Summary
AI-generatedThe application seeks permission for a first-floor side extension over the existing garage, a single-storey rear extension, and converting the garage to living space. It also seeks retention permission for an existing widened 4-metre vehicular access.
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 the construction of first floor side extension over existing garage, single storey extension to rear, conversion of garage to habitable space, removal of chimney breast, new roof lights and associated site works. Retention permission is also being sought for the vehicular access that has been widened to 4m.
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 24 April 2019.
Notified floor area: 55.25 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 129 Wesbury, Stillorgan, Dublin | Jan 2025 | €800,000 | 112 m |
| 35 Allen Park Rd, Stillorgan, Dublin | Mar 2026 | €860,000 | 118 m |
| 26 Allen Park Rd, Stillorgan, Dublin | Feb 2025 | €790,000 | 156 m |
| 5 Allen Park Dr, Stillorgan, Dublin | Feb 2026 | €881,000 | 166 m |
| 36 Merville Ave, Stillorgan, Dublin | Jan 2025 | €882,000 | 188 m |
| 44 Allen Park Road, Stillorgan, County Dublin | Jan 2010 | €350,000 | 192 m |
| 15 Coolnevaun, Off Upper Kilmacud Rd, Stillorgan | Nov 2025 | €1,245,000 | 195 m |
| 10 Coolnevaun, Stillorgan, Dublin | Nov 2025 | €912,500 | 207 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 received23 November 2018
- Decision issued24 January 2019
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
A) demolition of outbuildings to the rear of existing dwelling adjoining neighbouring structure, b) Single…
52, Coolnevaun, Stillorgan, Dublin, A94Y0C5
D26A/0138/WEBDún Laoghaire–RathdownLodged 5 Feb 2026Extension
- GrantedAt this site
The development will consist of the demolition of existing single storey extension abutting adjoining…
54 Coolnevaun, Stillorgan, Co. Dublin, A94N9X7
D26A/0224/WEBDún Laoghaire–RathdownLodged 21 Mar 2026Extension
- Granted40 m away
Demolition of the existing single storey sun room, bathroom and bedroom — Construction of an attached single…
44, Coolnevaun, Stillorgan, Co. Dublin
D06A/0602Dún Laoghaire–RathdownLodged 10 May 2006Extension
- Granted40 m away
Planning permission is sought to alter the gable roof at the southwest corner of the house to create a hipped…
70, Coolnevaun, Stillorgan, Co. Dublin
D10B/0028Dún Laoghaire–RathdownLodged 31 Mar 2010Alterations
- Refused40 m away
Raising the roof height at the southwest corner of the house to tie in with the existing roof height, attic…
70, Coolnevaun, Stillorgan, Co. Dublin
D08B/0033Dún Laoghaire–RathdownLodged 25 Jan 2008Retention
- Granted50 m away
Retention of 'as-built' work carried out on foot of permission D04B/0928 but incorporating differences from…
55, Coolnevaun, Kilmacud, Co. Dublin
D06B/0653Dún Laoghaire–RathdownLodged 14 Jul 2006Retention
- Granted50 m away
First floor extension over garage and attic conversion with dormer window to rear
55, Coolnevaun, Stillorgan, Co. Dublin
D04B/0928Dún Laoghaire–RathdownLodged 23 Dec 2004Extension
- Granted60 m away
The development will consist of the conversion of the existing garage to a habitable room, including a new…
62, Coolnevaun, Stillorgan, Co. Dublin, A94F8W2
D25B/0252/WEBDún Laoghaire–RathdownLodged 12 May 2025Extension
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
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D13A/0328Dún Laoghaire–RathdownLodged 1 Jul 2013
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D20A/0575Dún Laoghaire–RathdownLodged 18 Aug 2020
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Retention permission is sought for: widening vehicular entrance to 3.685m; lowering cill to ground floor…
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D20A/0018Dún Laoghaire–RathdownLodged 14 Jan 2020
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