GrantedCommercialDecided 29 March 2021

Grange Castle Business Park, Nangor Road, Clondalkin, Dublin 22

Demolition of a vacant house and construction of two data centres and an administration building in Clondalkin.

SD20A/0283 · South Dublin County Council · Lodged 1 February 2021

Reference: SD20A/0283
Authority: South Dublin County Council
Register status: Decided
Type: Permission
Received: 1 February 2021
Floor area: 59766 m²

Summary

AI-generated

The project involves the demolition of an existing vacant house, garage, and outhouse. In their place, a 1-4 storey Central Administration Building and two 2-storey data centres (DUB14 and DUB15) will be constructed, featuring solar panels, diesel generators, and mechanical flues.

Commercialdata centredemolitionofficesolar

Storeys: 4

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

Demolition of existing single storey vacant house, garage and outhouse (total gross floor area (gfa) c. 291.2sq. M) and removal of existing temporary construction car park; construction of a single 1-4 storey central administration building and 2 2-storey (with mezzanine) data centres (dub14 & dub15) all to be located west of data centres dub9, dub10, dub12 & dub13 within the ms campus; the central administration building (c. 6.03m to c. 19.85m high) will comprise central office administration, with staff cafeteria, staff gym and reception (gfa c. 3,520sq. M), with provision of pv panels on the roof; each data centre (c. 15.6m high to parapet height and c. 18.65m to top of roof plant) will include data halls, admin blocks (comprising offices, canteen, loading dock, storage and ancillary areas) and a variety of mechanical and electrical plant areas/structures including modular electrical rooms (mers), battery rooms and transformer areas. Gfa of dub14 is c. 28,072sq. M and gfa of dub15 is c. 28,173sq. M (c. 56,246sq. M in total); dub14 will also include 21 diesel generators and associated sub-stations (e-houses) and 11 mechanical flues (each c. 30.75m high); provision of a gas generator compound (to serve dub15) containing 20 generators, 5 e-houses and 5 flues (c. 25m max height); provision of a gas networks ireland gas skid including 3 kiosk buildings; expansion of existing electrical sub-station compound (originally granted under sd07a/0632) to provide 3 additional transformer bays. 3 e-houses and 1 control room, 2 auxiliary transformers; 2 sprinkler tank and pump house areas, 1 additional rainwater harvesting plant; provision of 168 permanent car parking spaces and 40 cycle parking spaces; provision of additional western access to the ms campus (to serves the central administration building) from the business park estate road (including bridge over the griffeen river) with existing temporary access to be extinguished; physical integration with the remainder of the existing ms campus (including internal access roads and landscaping) with associated modifications to the western boundary of the dub09/dub10/dub12/dub13 data centre development as permitted under sd16a/0088; provision of a new temporary construction car park (with 802 car spaces, shuttle bus stop and shelter) on site north of the main entrance to the business park; total gross floor area of the development will be c. 59,766sq. M; all associated site development works, drainage and services provision, landscaping, boundary treatments (including security fencing) and associated works; an environmental impact assessment report (eiar) has been submitted with this application; the application relates to a development which comprises an activity requiring an integrated pollution prevention and control (ie) licence.

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 26 October 2021. A completion certificate was lodged on 17 January 2025.

Notified floor area: 44 m²

12 commencement notices are linked to this development.

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 received1 February 2021
Further information requested5 January 2021
Further information received1 February 2021
Decision due29 March 2021
Decision issued29 March 2021
Grant issued10 May 2021

In the area

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