Planning Permission Ireland
GrantedIndustrialDecided 29 July 2020

Townlands within Grange Castle South Business Park, Baldonnel, Dublin 22

Demolition of a house and construction of three large two-storey data centres in Baldonnel.

SD20A/0121 · South Dublin County Council · Lodged 16 July 2020

Reference
SD20A/0121
Authority
South Dublin County Council
Register status
In progress
Type
Permission
Received
16 July 2020
Floor area
80269 m²

Summary

AI-generated

This ten-year planning application seeks the demolition of an existing two-storey dwelling and farm buildings. In their place, three large two-storey data centres with mezzanine floors and 26 emergency generators will be constructed, totaling 80,269 sq.m of floor area.

Industrialdata centredemolitiongenerators
Storeys
2

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 a period of ten years for development at this site of 16.5 hectares that is located within lands in the grange castle south business park and includes the residential property of ballybane, old nangor road on land within the townlands of milltown; ballybane and; aungierstown and ballybane; and bounding baldonnel road to the west; both the old and new nangor road to the north; and grange castle south access road to the south, baldonnel, dublin
  • The development will consist of the following: (1) the demolition of the existing two storey dwelling of ballybane and associated farm buildings (565sq. M) and the construction of 3 two storey data centres with mezzanine floors at each level of each facility and associated ancillary development that will have a gross floor area of 80,269sq. M on an overall site of 16.5hectares. (2) 1 two storey data centre (building a) that will be located to the south-west of the site and will have a gross floor area of 28,573sq. M. And will include 26 emergency generators located at ground floor level within a compound to the northern side of the data centre with associated flues that will be 25m in height. The facility will also include 26 ventilation shafts which will be located above the northern end of each emergency generator that will measure 20m in height. (3) 1 two storey data centre (building b) which will be located to the north-west of the site, and to the immediate north of building a and will have a gross floor area of 21,725sq. M and which will include 18 emergency generators located at ground floor level within a compound to the northern side of the data centre with associated flues that will be 25m in height. The facility will also include 18 ventilation shafts which will be located above the southern end of each emergency generator that will measure 20m in height. (4) 1 two storey data centre (building c) which will be constructed last, will be located to the eastern part of the site on a north-south axis and will have a gross floor area of 28,573sq. M. It will include 26 emergency generators located at ground floor level within a compound to the western side of the data centre with associated flues that will be 25m in height. The facility will also include 26 ventilation shafts that will be located above the western end of each emergency generator that will measure 20m in height. (5) each of the three data centres will include data storage rooms, associated electrical and mechanical plant rooms, loading bays, maintenance and storage spaces, office administration areas, and plant including pv panels at roof level as well as a separate house generator for each facility which will provide emergency power to the admin and ancillary spaces. Each data centre will also include a diesel tank and a refuelling area to serve the proposed emergency generators. (6) the overall height of each data centre apart from the flues and plant at roof level is c. 19.85m above the finished floor level. (7) 1 temporary and single storey substation (29sq. M). (8) 3 single storey mv buildings (each 249sq. M
  • 747sq. M in total) which manage the supply of electricity from the substations to each data centre and are located to the immediate west of the generator compound within buildings a and b, and to the south of the generator compound withing building c. (9) 8 prefabricated containerised electrical rooms (65sq. M each and 520sq. M overall) that are stacked in pairs to the immediate south of the temporary substation. (10) ancillary site development works, which will include attenuation ponds and the installation and connection to the underground foul and storm water drainage network and installation of utility ducts and cables which will include the drilling and laying of ducts and cables under baldonnel stream. Other ancillary site development works will include hard and soft landscaping, lighting, fencing, signage, service road, entrance gate, sprinkler tank house (72sq. M), security hut (30sq. M) and 150 car parking spaces and 78 sheltered bicycle parking spaces. The development will be enclosed with landscaping to all frontages including a wetland to the west. The development will be accessed from the grange castle south access road from the south via the baldonnel road. An environmental impact assessment report (eiar) has been submitted with this application

Land-use zoning

What this land is zoned for

EESI
“To provide for enterprise and employment related uses”

National zoning type: Industrial, enterprise, employment

Objective set by the South Dublin 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 plan

Built & 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 23 September 2020. A completion certificate was lodged on 28 November 2024.

Notified floor area: 250 m²

12 commencement notices are linked to this development.

Recent sales nearby

within 500 m
Residential Property Price Register sales within 500 metres of this site
AddressDatePriceDistance
Apartments 1-33, Block 8 Nangor Hall, Kilcarbery GrangeDec 2025€12,943,276383 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

  1. Application received16 July 2020
  2. Further information requested14 July 2020
  3. Further information received16 July 2020
  4. Decision due9 September 2020
  5. Decision issued29 July 2020
  6. Grant issued3 September 2020

In the area

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Related developments

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