GrantedCommercialDecided 10 November 2014

Grangecastle Business Park, Nangor Road, Clondalkin, Dublin 22.

Significant alterations to a data centre development, reducing the main building size while adding six new data facility buildings.

SD14A/0194 · South Dublin County Council · Lodged 17 September 2014

Reference: SD14A/0194
Authority: South Dublin County Council
Register status: Decided
Type: Permission
Received: 17 September 2014
Floor area: 31828 m²

Summary

AI-generated

This application proposes alterations to a previously approved data centre. It reduces the main building's floor area from 35,000 sq.m to 21,350 sq.m, but introduces six new data facility buildings totalling 28,383 sq.m, along with 12 new flues, 20 external generators, and a sprinkler tank.

Commercialdata centreindustrial parkgenerators

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

Development consists of alterations and additions to previously approved development under reg. Ref. Sd13a/0265 to provide for: a reduction in the gross floor area of the permitted building from 35,000sq. M (with a data capacity of 32 mw) to 21,350sq. M (data capacity 17.6 mw). The altered building will include an administration area with office space of 2,225sq. M. As a result, permitted elevations will be altered and the number of flues reduced from 9 to
The finished floor level (of 71m od and the height of flues (of 25m at 95.85m od) to the permitted (altered) building will be developed as granted under reg. Ref. Sd13a/0265; the permitted surface area to the front of the building is altered to provide 5 truck parking spaces; 6 new buildings are proposed to the west of the altered building to provide data facilities totalling 28,383sq. M. The new buildings will be in the range of 6.362 m
8.689 m high and to a range of finished floor levels between 68.5m and 69.5m od; a total of 12 new flues (each 15m high) are proposed; provision of associated plant to include sprinkler tank (670m3) and pump room (69sq. M), external generators (20 no. ) (2112sq. M. In total) on hard-standing, reserve switchgear (378sq. M), external plant (646sq. M), water tanks (240sq. M), landscaping, site services, signage, and parking area with electric gates for vehicular access along with electric buggies parking to be provided; provision of heat dispersal infrastructure to facilitate the potential recycling of energy by third parties; 47 new car parking spaces are proposed; otherwise, the site will be developed pursuant to reg. Ref. Sd13a/0265 to provide external plant totalling 5,718sq. M to include 3 no. Each of 110kv transformers totalling 974sq. M, fire safety sprinkler tanks (670m3) with an associated pump room (69sq. M), ancillary site works, signage, perimeter services road, 155 car parking spaces, a site perimeter berm and landscaping to technology park road and grange castle estate roads. The net result of the above is that the entire data facility will now comprise a total of 49,733sq. M (14,733sq. M over permitted) with a total data capacity of 49.6 mw (17.6 mw over permitted); all of the above for the sole use of microsoft ireland. En eis 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.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
Apartments 1-33, Block 8 Nangor Hall, Kilcarbery Grange	Dec 2025	€12,943,276	459 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 received17 September 2014
Decision due11 November 2014
Decision issued10 November 2014
Grant issued19 December 2014

In the area

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Related developments

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