PlanningRegister.ie
South Dublin County Council · SD25A/0035W

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

  1. 14 Feb 2025Received
  2. 10 Apr 2025Grant permission
  3. 20 May 2025Final grant
  4. 3 Apr 2026Commenced
  5. 19 May 2030Permission expires
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.
Status
Commenced
Decision
Grant permission · 10 Apr 2025
Council
South Dublin County Council
Type
Permission
Site
3.27 ha

What’s proposed

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

SD25A/0035W is a planning application to South Dublin County Council for the development of a Regional Network Gateway (RNG) facility (supporting infrastructure, received on 14 Feb 2025; permission was granted on 10 Apr 2025.

Planning details

Reference
SD25A/0035W
Local authority
South Dublin County Council
Status
Commenced · register status “Final Grant
Received
14 Feb 2025
Observations close
21 Mar 2025 (closed 542 days ago)
Decision due
10 Apr 2025 · decided 10 Apr 2025
Decision
Grant permission on 10 Apr 2025
Proposed development
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
As published by the register.
Site area
3.27 ha from the mapped boundary, not the council's figure
Applicant
Not published — the national feed carries no applicant name council register

Around this site this application first, then everything within 500 m

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Zoning, appeals, sold prices, flood and heritage constraints — everything for this area in one PDF.

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Appeal

Not appealed.

Commencement

  • Commencement notice CN0140288SD
    3 Apr 2026Castlebaggot, Kilmactalway, Newcastle, South Dublinmatched by ref_exact

Zoning at the site

C2.1 — Economic development and employment

EE: To provide for enterprise and employment related uses

Zoned for employment uses. Housing is not the intended use here.

P1 — Rural

RU: To protect and improve rural amenity and to provide for the development of agriculture

Zoned to protect agriculture, rural enterprise and biodiversity. New houses are restricted to demonstrated local need.

Designations within 250 m

OPW flood extent nearby — flag only (licence); floodinfo.ie.

  • NIAH-recorded building · 1
    Castle Bagot House
  • Radon risk area · 1
    About 1 in 10 homes in this area is likely to have high radon levels
  • Recorded monument · 7
    Church; Graveyard; Ecclesiastical enclosure

Provenance

Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 121201). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here. Council register: https://planning.agileapplications.ie/southdublin/application-details/67712.

Source: npad · fetched 11 Sept 2026, 18:51
SourceLicenceFetchedLink
npadCC-BY-4.011 Sept 2026, 18:51open