UK Data Centre Index
Development tracker

UK data-centre projects

Follow proposed and developing UK data-centre infrastructure using project records supported by planning and official evidence.

2Projects currently tracked
2UK regions represented
Projects tracked2

Development records currently included in the tracker.

Published capacity300 MW

Partial total from projects with a supported capacity figure.

Capacity coverage1/2

Projects currently carrying a published MW figure.

Early-stage trackerThis page contains projects currently researched and included in the index. It is not yet a complete UK development pipeline.
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Development pipeline

Projects remain separate from operational facility records until reliable evidence confirms that they have entered service.

2 projects shown
South EastPre-application
Verified

SDC M40 Campus

Developed by Slough Holdings UK Limited

A proposed campus of up to three hyperscale data-centre buildings with an approximate combined IT load of 300 MW and an integrated on-site energy generation centre.

Location
Wapseys Wood landfill site, Buckinghamshire
Project type
Data-centre campus with integrated energy generation
Proposed capacity
300 MW
Expected submission
March 2027
Planning reference
EN0110030
View project record →
East of EnglandPre-application
Verified

Longmarsh Green Energy

Developed by EPL Norfolk Limited

A proposed development combining solar generation, battery energy storage, an integrated data-centre campus and associated grid infrastructure.

Location
Near the Walpole Grid Supply Point
Project type
Integrated renewable energy and data-centre campus
Proposed capacity
Not published
Expected submission
April 2027
Planning reference
EN0110048
View project record →