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45 Maylands Avenue, Hemel Hempstead
Hemel Hempstead, South EastApprovedData centreCapacity not publishedProvisional — evidence incomplete
Outline planning permission was reported in August 2025 for the redevelopment of 45 Maylands Avenue, Hemel Hempstead, for Northtree Investment Management: the existing two-storey warehouse and office building (currently self-storage) would be replaced by a new three-storey data centre of up to about 5,100 sq m, with ancillary offices, plant and a substation. Designed by Scott Brownrigg.
Project detail
- Operator / developer
- Not published
- Location
- Hemel Hempstead, South East, United Kingdom
- Status
- Approved
- AI relevance
- Not stated
- Announced
- Not published
- 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
- Dacorum Borough Council
- Planning reference
- Not published
- Planning decision
- Not published
- Decision date
- Not published
- Construction start
- Not published
- Expected completion
- Not published
- Operational since
- Not published
- Confidence
- Low confidence
- Last verified
- 2026-08-18
Sources
- Self-storage site in UK's Hemel Hempstead to be turned into data center
Secondary source · DatacenterDynamics · August 2025
- Northtree gets green light for Hemel Hempstead data centre
Secondary source · BE News · 29 August 2025
- Outline planning approved for data centre in Hemel Hempstead
Secondary source · Data Centre Review · August 2025
Entry last updated 24/09/2026. Spotted something wrong? Tell us.
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See every tracked project in South East, the capacity that has been disclosed there and how it connects to wider UK demand.