Planning Approved for Europe’s Largest Cloud and AI Data Centre

A few days ago, on January 23, 2025, Hertsmere Borough Council granted planning approval for what will become one of Europe’s largest cloud and AI data centre. This groundbreaking project, spearheaded by DC01UK — a partnership between Chiltern Green Energy and Griggs Homes — represents a transformative moment in Europe’s technological infrastructure.

With a staggering investment of ￡3.75 billion ($4.68 billion), the data centre will not only elevate the UK’s position as a global hub for AI development but also address critical gaps in Europe’s cloud infrastructure.

Strategic Location and Key Features

Located near Elstree in Hertfordshire, the site is strategically positioned to maximize efficiency and connectivity. The data centre will utilize a 400MVA power reservation at the Letchmore Heath substation and will sit near the M25 South Mimms service station — ideal for both power and fibre optic network access.

Spanning a two-million-square-foot campus, this facility is set to revolutionize cloud and AI operations in Europe, serving as a key enabler of cutting-edge technologies and industries.

Economic Impact and Job Creation

The economic potential of this project is immense. Once operational, the data centre is expected to contribute ￡1.1 billion ($1.37 billion) annually in Gross Value Added (GVA).

Job creation highlights include:

• 500 on-site construction jobs?during the development phase.
• 200 permanent skilled positions?once operational.
• 13,740 indirect jobs, with approximately 10,900 of these benefiting communities in the southeast of England.

This project doesn’t just signal growth for the tech industry but also serves as a substantial boost for local economies and employment opportunities.

Commitment to Sustainability and Community Benefits

DC01UK’s design reflects a strong commitment to sustainability and community enhancement:

• 54% of the 85-acre site?will remain green space, with plans to achieve a?10% net biodiversity gain.
• A ￡2 million ($2.2 million) investment will improve local infrastructure, including?upgraded bus routes, expanded?cycle hire schemes, and better connectivity for residents.

This blend of innovation and environmental responsibility ensures that the project will positively impact both the local community and the broader ecosystem.

Government Backing and Strategic Importance

Sir Chris Bryant MP, the UK’s Minister for Telecoms, has praised the project for its pivotal role in advancing the country’s digital economy. Notably, this initiative aligns with the UK’s recent classification of data centres as?critical national infrastructure, on par with emergency services and utilities.

This strategic alignment underscores the government’s focus on bolstering AI and cloud capabilities to maintain the UK’s global leadership in technology.

The Vision

As the digital landscape continues to evolve, developments like DC01UK are crucial in meeting the growing demands for cloud services and AI applications. This project ensures that the UK stays at the forefront of technological innovation, setting the stage for:

• Accelerated AI advancements: With increased computational power, researchers and industries can push the boundaries of what AI can achieve.
• Enhanced global competitiveness: Strengthened infrastructure positions the UK as a prime destination for tech investment and innovation.
• Support for sustainable digital growth: Balancing innovation with environmental stewardship creates a model for future data centres worldwide.

What are your thoughts on the growing demand for cloud and AI infrastructure? Let us know in the comments below!

References

1. Hertsmere Borough Council?— Official Announcement of Data Centre Approval (2025).
2. UK Government Policy on Data Centres as Critical Infrastructure?— Official UK Policy Document (2024).
3. Chiltern Green Energy and Griggs Homes Collaboration?— Details from the Project Announcement.
4. Hertsmere Council Gives Europe’s Largest Data Centre Green Light – Property Week

Find out more about UK data centre investment and futures at Platform UK taking place in London February 6 – register at www.digital-infrastructure.com