Prosperity Parc, Holyhead (Anglesey)
Stena Line (via Anglesey Land Holdings)
A data centre-led redevelopment of the former Anglesey Aluminium site at Holyhead, led by Stena Line through Anglesey Land Holdings. Outline planning permission was granted by the Isle of Anglesey County Council in September 2025. Named by government as one of two constituent sites (with Trawsfynydd, Gwynedd) of the North Wales AI Growth Zone announced in November 2025.
Project detail
- Operator / developer
- Stena Line (via Anglesey Land Holdings)
- Location
- Holyhead, Wales, United Kingdom
- Status
- Approved
- AI relevance
- High — AI/compute led
- Announced
- 2025-03-14
- Target live date
- Not published
- Published capacity
- Not published. No capacity figure means none has been published — it does not mean zero.
- Floor area
- Not published
- Stated investment
- Not published
- Power
- Not published
- Grid connection
- Not published
- Cooling
- Not published
- Water
- Not published
- Planning authority
- Isle of Anglesey County Council
- Planning reference
- OP/2025/2
- Planning decision
- Outline planning permission granted
- Decision date
- 2025-09-11
- Construction start
- Not published
- Expected completion
- Not published
- Operational since
- Not published
- Confidence
- Medium confidence
- Last verified
- 2026-09-24
Key facts
Site
217-220 acre brownfield former Anglesey Aluminium site, Holyhead
Proposed floorspace
2.5 million sq ft data centre plus 108,000 sq ft office and 54,000 sq ft R&D space, as stated by the applicant (Place North West)
Jobs
Around 1,200 operational jobs and 890 construction jobs claimed by the developer (Daily Post)
Investment
Described as a £1bn regeneration project by the developer; no data-centre capacity (MW) has been disclosed
Investment partner
As of the November 2025 AI Growth Zone announcement, no data-centre investment/operating partner had been secured (DatacenterDynamics)
Sources
- Lift off for Anglesey's £1bn Prosperity Parc
Secondary source · Place North West · 28 October 2025
- UK plans AI Growth Zone in North Wales, announces data center power and planning reforms
Secondary source · DatacenterDynamics · 17 November 2025
- Massive Anglesey development tipped to create 1,200 jobs gets approved
Secondary source · Daily Post · 2025
- Stena Line's plans for Prosperity Parc approved by Isle of Anglesey County Council
Secondary source · Herald.Wales · 2025
Entry last updated 24/09/2026. Spotted something wrong? Tell us.
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