The Register of Planning Applications · Éire

Sunday 30 August 2026

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25/4033

Unconditional Permission

Cork - Cork County Council

Proposed Development

2 no. data centre buildings on a site formerly occupied by Mitsui Denman. The proposed development provides for the construction of 2 no. data centre buildings as stand alone units (to be built in phases) including ancillary offices with associated structures including a substation building, waste compound, telecoms cabinet (PoP Cabinet) new access off the R623 to provide for independent access, car park, external generator & transformer areas to the west of the proposed data centre and all ancillary works. The proposal will modify part of permission granted under 16/5011, for a data centre development changing the permitted data centre building DC3 from 1 permitted building to 2 no. buildings and associated works. Extension of Duration to Permission granted under Planning Ref. No. 17/5895 & 22/6358.

View the full application file on the council's planning portal →

Application Timeline

  1. Application received

    17 Jan 2025

  2. Decision due

    12 Mar 2025

  3. Decision: Unconditional Permission

    12 Mar 2025

Application Details

Location
Wallingstown Little Island Co. Cork
Applicant
N/A
Application Type
Extension of Duration
Planning Authority
Cork County Council

Timeline

Registration Date
17 January 2025
Status
Application Closed
Decision
Unconditional Permission
Decision Date
12 March 2025

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

0m
17/5895CONDITIONAL21 Jul 2017

2 no. data centre buildings on a site formerly occupied by Mitsui Denman. The proposed development provides for the construction of 2 no. data centre buildings as stand alone units (to be built in phases) including ancillary offices with associated structures including a substation building, waste compound, telecoms cabinet (PoP Cabinet) new access off the R623 to provide for independent access, car park, external generator & transformer areas to the west of the proposed data centre and all ancillary works. The proposal will modify part of permission granted under 16/5011, for a data centre development changing the permitted data centre building DC3 from 1 permitted building to 2 no. buildings and associated works.

Wallingstown Little Island Co. Cork

0m
22/6358UNCONDITIONAL19 Oct 2022

2 no. data centre buildings on a site formerly occupied by Mitsui Denman. The proposed development provides for the construction of 2 no. data centre buildings as stand alone units (to be built in phases) including ancillary offices with associated structures including a substation building, waste compound, telecoms cabinet (PoP Cabinet) new access off the R623 to provide for independent access, car park, external generator & transformer areas to the west of the proposed data centre and all ancillary works. The proposal will modify part of permission granted under 16/5011, for a data centre development changing the permitted data centre building DC3 from 1 permitted building to 2 no. buildings and associated works.. Extension of Duration to Permission granted under Planning Ref. No. 17/5895

Wallingstown Little island Co.Cork

55m
23/5015CONDITIONAL18 May 2023

The installation of 8 No. external diesel back-up generators, including 1 No. vent stack per generator; the construction of a single-storey 10/20kV ESB substation; and all ancillary works, including an additional yard area, relocation of a permitted internal road, construction of a new internal road, and an extended 6m panel fence, to the west of each of the 2 No. data centre buildings (under construction) (4 No. diesel back-up generators per building), permitted under application register reference 17/5895, as extended under application register reference 22/06358.

The former Mitsui Denman site Wallingstown Little Island Co. Cork

63m
16/5011CONDITIONAL29 Apr 2016

Data centre development on a site formerly occupied by Mitsui Denman. The proposed development provides for the construction of 3 no. data centre buildings as one development or in phases. The proposal will modify an existing consent for 3 no. office buildings and access infrastructure at the site consented under 07/12475, as extended under 15/5450, so that one permitted office building is omitted and the permitted access off the R623 is also omitted in favour of a priority junction at the R623 with the permitted remaining offices accessed off the proposed internal access road. The proposed development also includes demolition of existing structures, ancillary services and site works, connections to permitted infrastructure, landscaping and associated boundary treatments, provision of ancillary structures including 3 no. security buildings, 3 no. waste compounds, a utility building, water tank and fencing, ground works with associated localised level changes and car parking

Wallingstown Little Island Co. Cork

63m
21/5226UNCONDITIONAL7 May 2021

Data centre development on a site formerly occupied by Mitsui Denman. The proposed development provides for the construction of 3 no. data centre buildings as one development or in phases. The proposal will modify an existing consent for 3 no. office buildings and access infrastructure at the site consented under 07/12475, as extended under 15/5450, so that one permitted office building is omitted and the permitted access off the R623 is also omitted in favour of a priority junction at the R623 with the permitted remaining offices accessed off the proposed internal access road. The proposed development also includes demolition of existing structures, ancillary services and site works, connections to permitted infrastructure, landscaping and associated boundary treatments, provision of ancillary structures including 3 no. security buildings, 3 no. waste compounds, a utility building, water tank and fencing, ground works with associated localised level changes and car parking.- Extension of duration of permission granted under planning reference: 16/5011.

Wallingstown Little Island Co. Cork

113m
26/0112Grant with Conditions22 Jan 2026

The proposed development will consist of the replacement of 1 no. existing 8m ESB Pylon of the existing Kilbarry-Flaxfort-Mayfield 38kV overhead line near the north-western boundary of the site with 1 no. new 12m ESB Type F lattice steel mast structure on a RC base; the construction of 1 no. new 12m ESB Type F lattice steel mast structure on a RC base near the south-western boundary of the site; the trenching and laying of approximately 723m of an underground 38kV ESB cable between the 2 no. new 12m ESB Type F lattice steel mast structures, 1 no. joint bay; and all associated site development and ancillary works.

Wallingstown, Little Island, Co. Cork

115m
12/5801CONDITIONAL21 Aug 2012

Construction of a single storey extension to the logistics building, to be used as a medical suite incorporating a consultant's office, exam room and toilet facilities at existing facilitiy

Wallingstown Little Island

115m
12/5710INCOMPLETED APPLICATION8 Aug 2012

Construction of a single storey extension to the Logistics Building, to be used as a medical suite incorporating a consultant's office, exam room and toilet facilities at their existing facility

Wallingstown Little Island Co. Cork

143m
20/6054CONDITIONAL21 Sept 2020

(1) The demolition of the existing entrance canopy, (2) the construction of a new covered staff entrance with turnstiles and (3) alterations to the existing car park to construct a new HGV entrance with new barriers and associated ancillary works at their existing facility. The facility is subject to an Integrated Pollution Prevention and a Control License.

Janssen Pharmaceutical Wallingstown Little Island Co. Cork

152m
16/4987CONDITIONAL28 Apr 2016

Permission for alterations to the existing site entrance and Retention of existing security hut and 32 existing car parking spaces

Wallingstown Little Island Co. Cork

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