Vantage CWL2 campus, Bro Tathan, St Athan
Vantage Data Centers
A three-building data centre campus on 10.9 hectares of the former RAF St Athan airfield, north of Ffordd Bro Tathan in the Vale of Glamorgan. Vantage Data Centers, through VDC CWL21 Limited, holds planning permission for demolition and a data centre with back-up generators, plant and a substation.
Reality Score
Early stage: worth a watching brief.
Supplying this project? See the Market Entry Sprint →Key facts
- Operator / developer
- Vantage Data Centers
- Location
- St Athan, Wales, United Kingdom
- Status
- Approved
- Facility type
- Data centre
- AI relevance
- Not stated
Power & grid
- Published capacity
- 120 MW — Reported capacity, definition not publishedA megawatt figure was reported but the source does not define what it measures, so it is excluded from every total.
- Power
- Vantage's planning consultant CarneySweeney describes the scheme as up to 120MW, without saying whether that is IT load or total demand. DCD reports planning documents describing three 32MW buildings, each with eight 4MW halls (96MW of halls in total). The two figures are not reconciled, so no IT load is recorded.
Planning
- Council
- Vale of Glamorgan Council
- Planning route
- Local planning (TCPA)
- Planning reference
- 2023/00780/FUL
- Planning decision
- Planning committee resolved to approve on 13 June 2024, subject to a Section 106 agreement; permission reported as granted in August 2025
Timeline
Vale of Glamorgan planning committee resolved to approve the data centre (2023/00780/FUL), subject to a Section 106 agreement.
Source
Sources
- Planning Committee 13 June 2024: matters arising, 2023/00780/FUL, Land North of Ffordd Bro Tathan
Secondary source · Vale of Glamorgan Council · 13 June 2024
- Planning Committee minutes, 13 June 2024
Secondary source · Vale of Glamorgan Council · 13 June 2024
- Vantage plots data center campus outside Cardiff, Wales
Secondary source · DatacenterDynamics · August 2025
- Data centre construction boom gathers pace
Secondary source · Glenigan · 9 March 2026
Last verified
13 October 2026
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