Leixlip Water Treatment Plant Site, Cooldrinagh & Backwestonpark lands, Leixlip, Co. Dublin
- 1 Feb 2022Received
- 28 Feb 2022Grant permission
- 13 Apr 2022Final grant
- 24 Apr 2025Commenced
- Status
- Commenced
- Decision
- Grant permission · 28 Feb 2022
- Council
- South Dublin County Council
- Type
- Permission
- Site
- 6,501 m²
What’s proposed
Demolition of existing workshop and (defunct) Activated Carbon Building adjacent the old/northern Treatment Plant Building; construction of a Sulphuric Acid Storage and Dosing Facility Building (single storey up to approximately 8.7 metres in height) adjacent the new/southern Treatment Plant Building; construction of a Lime Storage & Dosing Facility Building (single storey up to approximately 11 metres in height) adjoining the old/northern Treatment Plant Building, associated external storage silos (2) with external staircase (up to approximately 12.3 metres in height) partially enveloped with a perforated metal architectural screen, and ancillary plant and equipment; reconfiguration and repurposing for use as a De-Alkalisation Plant of existing (disused) High-Lift Pump Hall within the old/northern Treatment Plant Building; construction of a new ancillary Workshop Building (single storey up to approximately 4.5 metres in height) to the rear/south of the 'old/northern Treatment Plant Building; temporary and enabling works to facilitate construction and continued / uninterrupted operation of the Treatment Plant site; associated network of underground pipelines/connections, and redirection of existing where necessary, throughout the site; provision of additional car parking (to the rear/south of the old/northern Treatment Plant Building), modification and extension of existing drainage, utility and services infrastructure and connections to serve and facilitate new and reconfigured buildings, and all other associated and ancillary development and works above and below ground level
SD21A/0272 is a planning application to South Dublin County Council for demolition of existing workshop and (defunct) Activated Carbon Building adjacent the, received on 1 Feb 2022; permission was granted on 28 Feb 2022.
Planning details
- Reference
- SD21A/0272
- Local authority
- South Dublin County Council
- Status
- Commenced · register status “Decision Following A.I.”
- Received
- 1 Feb 2022
- Observations close
- 8 Mar 2022 (closed 1651 days ago)
- Decision due
- 28 Feb 2022 · decided 28 Feb 2022
- Decision
- Grant permission on 28 Feb 2022
- Proposed development
- Demolition of existing workshop and (defunct) Activated Carbon Building adjacent the old/northern Treatment Plant Building; construction of a Sulphuric Acid Storage and Dosing Facility Building (single storey up to approximately 8.7 metres in height) adjacent the new/southern Treatment Plant Building; construction of a Lime Storage & Dosing Facility Building (single storey up to approximately 11 metres in height) adjoining the old/northern Treatment Plant Building, associated external storage silos (2) with external staircase (up to approximately 12.3 metres in height) partially enveloped with a perforated metal architectural screen, and ancillary plant and equipment; reconfiguration and repurposing for use as a De-Alkalisation Plant of existing (disused) High-Lift Pump Hall within the old/northern Treatment Plant Building; construction of a new ancillary Workshop Building (single storey up to approximately 4.5 metres in height) to the rear/south of the 'old/northern Treatment Plant Building; temporary and enabling works to facilitate construction and continued / uninterrupted operation of the Treatment Plant site; associated network of underground pipelines/connections, and redirection of existing where necessary, throughout the site; provision of additional car parking (to the rear/south of the old/northern Treatment Plant Building), modification and extension of existing drainage, utility and services infrastructure and connections to serve and facilitate new and reconfigured buildings, and all other associated and ancillary development and works above and below ground levelAs published by the register.
- Site area
- 6,501 m² from the mapped boundary, not the council's figure
- Applicant
- Not published — the national feed carries no applicant name council register
Full planning report for 53.36027, -6.48814
Zoning, appeals, sold prices, flood and heritage constraints — everything for this area in one PDF.
No account, no payment. Not a statutory planning search.
Appeal
Not appealed.
Commencement
- Commencement notice CN0127839SD
- Commencement notice CN0127838SD
- Commencement notice CN0096729SD
- Commencement notice CN0096315SD
- Commencement notice CN0095755SD
Zoning at the site
HA-LV: To protect and enhance the outstanding character and amenity of the Liffey Valley
Protected high-amenity landscape. Development is resisted to preserve the character of the area.
Designations within 250 m
OPW flood extent nearby — flag only (licence); floodinfo.ie.
- Natural Heritage Area (incl. proposed) · 2
- NIAH-recorded building · 45
- Radon risk area · 5
- Special Area of Conservation · 1
- Recorded monument · 22
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 121100). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here. Council register: https://planning.agileapplications.ie/southdublin/application-details/61387.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |