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.
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- Operator / developer
- Stena Line (via Anglesey Land Holdings)
- Location
- Holyhead, Wales, United Kingdom
- Status
- Approved
- Facility type
- Data centre
- AI relevance
- High — AI/compute led
- Announced
- 14 March 2025
- Construction jobs
- 890
- Permanent jobs
- 1,200
- 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)
Power & grid
- Grid position
- Uses the existing grid connection at the former Anglesey Aluminium site
- On-site generation
- Battery energy storage included in the low-carbon campus.
Planning
- Planning route
- Local planning (TCPA)
- Planning reference
- OP/2025/2
- Planning decision
- Outline planning permission granted
- Decision date
- 11 September 2025
- Green belt
- No
- Land area
- 89 ha
Benefits vs drawbacks
Benefits
Timeline
Isle of Anglesey County Council granted outline planning permission (OP/2025/2).
Source
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
Last verified
12 October 2026