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Sunday 30 August 2026

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26/0112

Grant with Conditions

Cork - Cork County Council

Proposed Development

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.

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

Application Timeline

  1. Application received

    22 Jan 2026

  2. Decision: Grant with Conditions

    30 May 2026

  3. Decision due

    2 Jun 2026

  4. Grant issued

    8 Jul 2026

Application Details

Location
Wallingstown, Little Island, Co. Cork
Applicant
N/A
Application Type
Permission
Planning Authority
Cork County Council

Timeline

Registration Date
22 January 2026
Status
Application Closed
Decision
Grant with Conditions
Decision Date
30 May 2026
Grant Date
8 July 2026

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.

71m
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

78m
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

78m
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
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

113m
25/4033Unconditional Permission17 Jan 2025

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.

Wallingstown Little Island Co. Cork

113m
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

162m
05/7800CONDITIONAL25 Oct 2005

Redevelopment of industrial lands for enterprise use to include site development works including construction of 2 no. entrances, 1 no. security building, ESB substation, internal access roads and hardstanding, car parking, surface water sewer, foul sewer, watermain, fencing, site leveling, lighting, landscaping, entrance water feature, totem pole and signage and construction of 4 no. two storey enterprise units

Wallingstown Little Island

183m
07/12475CONDITIONAL19 Nov 2007

Demolition of existing structures on site and construction of Phase 1 of a Business Park development to include 4 no. office based industry/enterprise buildings of 2 to 3 storey's with associated roads and access infrastructure, car parking, landscaping, site level changes, services and ancillary works, construction of 2 no. roundabouts at access points off the R623 and construction of 4 no. electricity substations

Wallingstown Little Island

183m
07/12319INCOMPLETED APPLICATION12 Nov 2007

Demolition of existing structures on site and construction of Business Park to include 4 no. office based industry/enterprise buildings with associated roads and access intrastructure, car parking, landscaping, site level changes, services and ancillary works, construction of 2 no. roundabouts at access points of the R623 and construction of 4 no. electricity sub stations

Wallingstown Little Island

183m
15/5450UNCONDITIONAL2 Jul 2015

Demolition of existing structures on site and construction of Phase 1 of a Business Park development to include 4 no. office based industry/enterprise buildings of 2 to 3 storey's with associated roads and access infrastructure, car parking, landscaping, site level changes, services and ancillary works, construction of 2 no. roundabouts at access points off the R623 and construction of 4 no. electricity substations - Extention of duration of permission granted under planning ref: 07/12475

Wallingstown Little Island Cork

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