The development of a Regional Network Gateway (RNG) facility (supporting infrastructure for the MS data centres)…

Application details

Planning reference

SD25A/0035W

Council

South Dublin County Council

Proposal description

The development of a Regional Network Gateway (RNG) facility (supporting infrastructure for the MS data centres) comprising the following: • Construction of a single storey main building (RNG Building - c.1,124.3 sq.m) with air handling units (AHUs). • External plant/equipment yards including 3 no. diesel generators; sprinkler tank and pump house; electrical plant rooms, PV panels. • MV substation & Stormwater attenuation pond. • 12 no. car parking spaces (2 of which are EV parking spaces and with 1 accessible parking space). Bike parking shelter and bin store. • New road access provided from adjoining permitted estate road (granted under SDCC Ref. SD24A/0107W) and including bridge over existing watercourse. • Internal road and footpath layout, perimeter fencing, security gates and retaining wall. • Landscaped and planted areas including riparian corridor and swale. • Temporary Construction compound and parking area (including temporary bridging of existing watercourse/field drain). • All associated site development works, site lighting, boundary treatments, services/utilities provision (including underground works), and all other ancillary works. Total gross floor area of the development c.1,384.2 sq.m

Location / address

Lands at Castlebaggot, in the townland of Kilmactalway, Newcastle, Co. Dublin.

Application type

Permission

Received / registered

14 Feb 2025

Council decision

Grant Permission

Council decision date

10 Apr 2025

Final grant date

20 May 2025

Planning and construction timeline

Key dated milestones from planning, appeal and official building-control records.

1. Application received

   14 Feb 2025

2. Decision: Grant Permission

   10 Apr 2025

3. Final grant

   20 May 2025

4. Works commenced

   3 Apr 2026Official NBCO/BCMS data