Stillorgan Reservoir, Mulchanstown, Co.Dublin
Development of a covered treated drinking water reservoir with a green roof and control building.
D16A/0855 · Dun Laoghaire Rathdown County Council · Lodged 10 April 2017
- Reference
- D16A/0855
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 April 2017
Summary
AI-generatedThe project involves constructing a covered drinking water reservoir spanning over 3 hectares with a green roof. It includes a control building, a new vehicular access from St. Raphaelas Road, internal roads, and a drainage attenuation pond.
- Floor area
- 2,904 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 the development of a covered treated drinking water reservoir with an area of 3.1066 ha and a green roof, associated pipelines, a control building (accommodation valve controls, secondary disinfection and welfare facilities) with an area of 2904m$5, a new vehicular access from st. Raphaelas road, internal access roads, landscaping, a drainage attenuation pond and all associated site development and site excavation works above and below ground. The covered reservoir and control...
Land-use zoning
What this land is zoned for
“F To preserve and provide for open space with ancillary active recreational amenities.”
National zoning type: Open space, park
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 12 October 2020.
Notified floor area: 2,274 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 75 Weirview Dr, Stillorgan, Dublin | Jul 2025 | €900,000 | 250 m |
| 37 Oaktree Rd, Stillorgan, Dublin | Jan 2025 | €830,000 | 304 m |
| 157 Stillorgan Heath, Stillorgan, Dublin | Aug 2025 | €895,000 | 305 m |
| 157 Stillorgan Heath, Stillorgan, Dublin | Aug 2025 | €895,000 | 305 m |
| 35 Oaktree Rd, Stillorgan, Dublin | Apr 2025 | €360,000 | 313 m |
| 26 Woodford, Brewery Rd, Stillorgan Dublin 18 | Jun 2025 | €870,000 | 317 m |
| 13 Leopardstown Park, Blackrock, Dublin | Mar 2025 | €860,000 | 333 m |
| 5 Leopardstown Park, Stillorgan, Dublin | Dec 2025 | €910,000 | 339 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 received10 April 2017
- Decision issued1 June 2017
- Appeal submitted27 June 2017
- Appeal decided21 December 2017
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Invalid80 m away
Development consisting of a new single storey garden studio comprising craft studio, home office and WC to…
107, Weirview Drive, Stillorgan, Dublin, A94NW61
D25B/0340/WEBDún Laoghaire–RathdownLodged 13 Jun 2025Extension
- Granted100 m away
Permission is sought for proposed alterations and extension to the existing house comprising demolition of…
109, Weirview Drive, Stillorgan, County Dublin
D18A/0155Dún Laoghaire–RathdownLodged 21 Feb 2018Extension
- Granted110 m away
First floor extension to side of dwelling house over original car garage to contain one extra bedroom and…
111, Weirview Drive, Stillorgan, Co. Dublin
D04B/0894Dún Laoghaire–RathdownLodged 20 Dec 2004Extension
- Granted110 m away
A) Single storey extension with rooflights to rear of existing dwelling. b) Alterations to front and side…
115, Weirview Drive, Stillorgan, Dublin, A94YK65
D24A/0197Dún Laoghaire–RathdownLodged 26 Mar 2024Extension
- Invalid110 m away
A) Single storey extension with rooflights to rear of existing dwelling. B) Alterations to front and side…
115, Weirview Drive, Stillorgan, Co. Dublin, A94YK65
D24A/0128Dún Laoghaire–RathdownLodged 4 Mar 2024Extension
- Granted120 m away
Alterations to D21A/0347 — addition of single storey flat roof entrance porch extension to front elevation
117, Weirview Drive, Stillorgan, Co Dublin, A94F780
D22A/1038Dún Laoghaire–RathdownLodged 23 Dec 2022Alterations
- Granted120 m away
The development will consist of the following — Demolition of existing single storey flat roof garage…
117, Weirview Drive, Stillorgan, Co Dublin, A94F780
D21A/0347Dún Laoghaire–RathdownLodged 19 Apr 2021Extension
- Granted120 m away
Construction of a second storey 23 sq m on the West Side elevation over an existing garage consisting of a…
113, Weirview Drive, Stillorgan, Co. Dublin
D05B/0598Dún Laoghaire–RathdownLodged 5 Aug 2005Extension
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