GrantedIndustrialDecided 25 April 2025

Mullafarry and Tawnaghmore Upper, Killala, Co. Mayo

Construction of a large data centre building and generator yard in Killala.

2460708 · Mayo County Council · Lodged 21 November 2024

Reference: 2460708
Authority: Mayo County Council
Register status: Appealed
Type: PERMISSION
Received: 21 November 2024

Summary

AI-generated

The development consists of a single data centre building with a gross floor area of approximately 29,076 sq.m across two levels. The project includes data halls, administrative offices, a generator yard with 25 backup generators, a sprinkler tank, and associated site works.

Industrialdata centreinfrastructuregenerators

Storeys: 2
Floor area: 29,076 m²

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

The construction of a single data centre building located to the north of the site, with an overall gross floor area of c. 29,076 sq. M across two levels and an overall maximum height of c. 22.764m at parapet level. The data centre building includes data halls and associated electrical and mechanical plant rooms (c. 23,908 sq. M), an administrative and staff services block (c. 5,052 sq. M) and circulation and stairs (c. 116 sq. M). 2 no. External terraces are proposed to the east of the building (c. 309 sq. M) and an external generator yard to the south of the building (c. 5,205 sq. M) accommodating
No. Backup / dispatchable generators and associated flues (to a height of c. 21.164m) within an enclosed compound. The construction of a sprinkler tank and pump house to the northeast of the site, the sprinkler tank is an overall height of c. 7.2 m and the pump house is a single storey building with an overall height of c. 4.15m and area gfa of c. 40.23 sq. M. The construction of an entrance hut at the main access to the south of the site, the hut is an overall height of c. 3.225m and area gfa of c. 11.6 sq. M. Construction of 2 no. Site access points from the south and internal road network and circulation areas, footpaths, cyclist infrastructure, the provision of 56 no. Car parking spaces (including 12 ev charging spaces and 7 disabled spaces, 3 of them ev), 20 no. Cycle parking spaces, hard and soft landscaping and planting, site lighting, pv panels and plant at roof level, foul water connection connecting to existing wwtp in killala business park, boundary treatments, green walls and all associated and ancillary works including underground foul and storm water drainage network and utility cables and all ancillary works and services. An epa-industrial emissions directive (ie) licence will be applied for to facilitate the operation of the proposed development. An environmental impact assessment report (eiar) and a natura impact statement (nis) will be submitted to the planning authority with the planning application and the eiar and nis will be available for inspection or purchase at a fee not exceeding the reasonable cost of making a copy at the offices of the planning authority

The historical record

How industrial applications have been decided in Mayo County Council

98% granted

of 86 industrial applications granted, refused or part-granted by Mayo County Council, 2016–2026.

The same category nationally: 93%3,378
All categories in Mayo County Council: 94%9,748

These are historical figures for this category in this council area, counted from the statutory register over the last 10 years. They are not an assessment of this application and say nothing about how it will be decided.

Key dates

Timeline

Application received21 November 2024
Further information requested23 January 2025
Further information received4 March 2025
Decision due28 April 2025
Decision issued25 April 2025
Appeal submitted21 May 2025

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