Microsoft plans new data centre in Langley, UK, amid local engagement

Executive summary
Microsoft is proposing to develop a new data centre at the Langley Business Centre site near Slough, UK. This development follows a previous, lapsed planning permission for a data centre and homes, with Microsoft's new proposal focusing solely on data centre use. The company has engaged with local residents through drop-in sessions ahead of submitting its plans to Slough Borough Council.
Reporting based on datacenterdynamics.com
Why it matters
This planned Microsoft data centre is significant for the UK's AI and energy sectors as it represents continued investment in digital infrastructure. The location in Slough, already a major data centre hub, underscores the concentrated demand for power and connectivity in specific regions, which can have implications for local grid capacity and broader energy planning.
Sector impact
Analysis by AI Energy Intelligence UK
While the article does not provide specific power consumption figures, the development of a new data centre, including data halls and ancillary facilities, implies an increase in local electricity demand. The requirement for a separate planning application for a substation suggests a significant power draw will be necessary to support the facility.
The concentration of data centres in areas like Slough, alongside new developments, highlights the growing energy requirements for digital infrastructure. Managing this demand effectively is crucial for maintaining energy security, particularly as the UK transitions to a greener energy mix and integrates more AI-driven loads onto the grid.
Microsoft's continued expansion in the UK, with this proposed Langley facility and other sites across the country, indicates strong business confidence in the UK's digital economy. The development will likely attract further investment and reinforce the UK's position as a key location for cloud computing and AI infrastructure.
Increased data centre capacity, such as that provided by Microsoft, generally benefits consumers through improved availability and performance of cloud services, including those supporting AI applications. This can lead to more reliable and faster digital services, although the energy impact might indirectly affect energy costs or infrastructure development.
Key statistics
Figures as reported by datacenterdynamics.com. See original source for context.
Quotations
"The proposals include one new data center building, including data halls, office space, and further ancillary facilities. A substation will be included, which will be subject to a separate planning application."
"assess the feedback gathered before submitting our proposal to Slough Borough Council"
Long-term implications
The ongoing expansion of hyperscale data centres in the UK points to a sustained increase in demand for electricity and land. This trend will necessitate strategic long-term planning for energy generation, transmission, and distribution, especially in regions already experiencing high data centre density like Slough, to support future AI and digital growth.
Frequently asked questions
Where is Microsoft planning a new data centre in the UK?
Microsoft is planning to develop a new data centre at the Langley Business Centre site, near Slough in the UK.
What is included in Microsoft's new data centre proposal?
The proposal includes one new data centre building with data halls, office space, ancillary facilities, and a substation (subject to separate planning).
How does this proposal differ from previous plans for the site?
The new proposal from Microsoft is "focused on data center use" and differs from a lapsed 2021 outline planning permission which included both a data centre and 60 affordable homes.
Explore related tools
Original source
This story summarises reporting from datacenterdynamics.com. Read the original for full context.
Read on datacenterdynamics.comRecommended reports
Independent UK research that expands on the themes in this story.

The definitive UK view of AI's electricity, grid and infrastructure impact in 2026. An independent, evidence-based report on demand growth, data centre build-out, AI Growth Zones and the trajectory to 2035 — for UK policymakers, operators and investors.
Read the report
The environmental cost of AI-generated answers versus conventional search, benchmarked for UK decision-makers. An independent, evidence-based comparison of electricity, water and carbon per query across Google, Gemini, ChatGPT, Copilot, Perplexity and Claude — with forecasts to 2035.
Read the report
Bottom-up model of AI-driven electricity growth across UK regions to 2030, with sensitivity to model efficiency and adoption.
Read the reportGet the UK AI Energy briefing
Analysis on AI, electricity and the UK grid, straight to your inbox.