Demolition of the existing single storey house of 'Erganagh' and the construction of a two storey data centre…

Application details

Planning reference

SD18A/0134

Council

South Dublin County Council

Proposal description

Demolition of the existing single storey house of 'Erganagh' and the construction of a two storey data centre and delivery bays with associated three storey office block and services that will have a gross floor area of 35,426sq.m on an overall site of 9.2 hectares. The two storey data centre facility and delivery bay (32,419sq.m) will be separated into two adjoined blocks over two floors with a single data hall on each floor of each data centre with service and technical space around each data hall (4 data halls overall) with a two storey delivery bay attached to the east of the data centre block. A three storey office block and delivery bay (2,882sq.m) is attached to the west of the data centre block. The data centre will be served by services and plant to the north of the data centre blocks that will include 32 standby generators with 2 associated flues per generator (64 in total) and grouped into 16 towers of flour flues each (each 20m high). There are proposed to be 32 acoustically attenuated chillers located on the upper level plant gantries to the north of the data hall blocks (eight on each gantry). The development will also include a new substation with associated transformer yard and single storey transformer building (125sq.m) that will be located to the northeast of the site. The development will be accessed from the Grange Castle South Access Road from the north via the Baldonnel Road and will also include ancillary site development works, including 2 attenuation ponds, to connect to existing Grange Castle infrastructural services as well as fencing, signage, services road, entrance gate, 70 car parking spaces including 3 disabled car parking spaces, and 30 sheltered bicycle parking spaces. The development will be enclosed with landscaping to all frontages including a wetland to the west all on a site (9.2ha) located within lands in the Grange Castle Business Park South and the residential properties of Erganagh, Kent Cottage and Weston Lodge on land with the townlands of Aungierstown and Ballybane; Ballybane; and Milltown and bounding Baldonnel Road to the west and south and Grange Castle South Access Road to the north, Baldonnel, Dublin 22. An Environmental Impact Assessment Report (EIAR) has been submitted with this application.

Location / address

Grange Castle Business Park, Clondalkin, Dublin 22

Application type

Permission

Received / registered

30 Jul 2018

Council decision

Grant Permission

Council decision date

24 Sept 2018

Appeal lodged

22 Oct 2018

Appeal decision date

18 Apr 2019

Planning and construction timeline

Key dated milestones from planning, appeal and official building-control records.

1. Application received

   30 Jul 2018

2. Decision: Grant Permission

   24 Sept 2018

3. Appeal lodged

   22 Oct 2018

4. Appeal decided

   18 Apr 2019

5. Works commenced

   25 Jun 2019Official NBCO/BCMS data

6. Works commenced

   18 Mar 2020Official NBCO/BCMS data

7. Completion certificate validated (1 unit)

   28 Jun 2021Official NBCO/BCMS data