Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Council planning record
Dulais and Swansea Valleys, near Coelbren/Onllwyn ; Cymoedd Dulais ac Abertawe, ger Coelbren/Onllwyn
Dulais and Swansea Valleys, near Coelbren/Onllwyn ; Cymoedd Dulais ac Abertawe, ger Coelbren/Onllwyn
Location point supplied by the council.
The development consists of four key elements all located in the area shown on the attached plan. Firstly a test track facility for Rail Innovation consisting of up to 3 concentric electrified 7km long loops of track, link road and maintenance facilities including sidings, run around loop, fueling line, large train shed (Up to 300m long and 40m wide), offices, welfare facilities, logistics shed and 132KV Substation, Hotel and Conference centre. Secondly a Hyperscale data Centre delivered in phases (up to 350 MW). Thirdly an Energy Park to provide thermal generation, renewable energy and battery storage to power both the rail project and Data Centre. Finally a technology park to support all of the developments ; Mae’r datblygiad yn cynnwys pedair elfen allweddol, pob un wedi’u lleoli yn yr ardal a ddangosir ar y cynllun atodedig. Yn gyntaf, cyfleuster trac profi ar gyfer Arloesi Rheilffyrdd, yn cynnwys hyd at 3 dolen gron gydganolog o drac wedi’u drydaneiddio, o 7km o hyd, ynghyd â ffordd gyswllt a chyfleusterau cynnal a chadw gan gynnwys cilfanau, dolen troi, llinell tanwydd, sied drenau fawr (hyd at 300m o hyd a 40m o led), swyddfeydd, cyfleusterau lles, sied logisteg ac is-orsaf 132kV, yn ogystal â gwesty a chanolfan gynadledda. Yn ail, Canolfan Ddata Hyperscale i’w darparu mewn cyfnodau (hyd at 350 MW). Yn drydydd, Parc Ynni i ddarparu cynhyrchu thermol, ynni adnewyddadwy a storio batri i bweru’r prosiect rheilffyrdd a’r Ganolfan Ddata. Yn olaf, parc technoleg i gefnogi’r holl ddatblygiadau.
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Sign in to view collected details| Document | Published | Action |
|---|---|---|
| 2026-06-17 - Inception Meeting Note - SIP CAS-05134-C8C9N9 - Global Centre of Rail Excellence and Associated DevelopmentPre-Application - General | 29 Jun 2026 | View |
| 2026-06-09 - Pre-application Services FormPre-Application - General | 10 Jun 2026 | View |
| 2026-06-09 - Site Location Plan GCRE-CS-0577 08.06.2026Pre-Application - General | 10 Jun 2026 | View |
| 2026-06-09 - New SIP - Global Centre of Rail Excellence and Neighbouring Hyperscale DataCorrespondence | 10 Jun 2026 | View |
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Council milestones and published deadlines. A deadline passing does not confirm a decision.
We haven’t collected any dated milestones for this application.
Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.
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Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Understanding planning · 13 min read
Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.