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Amazon Web Services, Plot 3 Maylands Avenue
Amazon Web Services
Hemel Hempstead, South EastProposedData centreCapacity not publishedProvisional — evidence incomplete
A purpose-built data centre for tape-based long-term storage proposed by Amazon Data Services UK Limited at Plot 3, Maylands Avenue, Hemel Hempstead. Submitted documents describe roof-level plant, an HVO-fuelled standby generator compound, chilled-water cooling and rooftop solar. No decision has been published.
Project detail
- Operator / developer
- Amazon Web Services
- Location
- Hemel Hempstead, South East, United Kingdom
- Status
- Proposed
- 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
- No IT load, grid connection or standby generator capacity figure was found in the submitted documents retrieved. None is recorded.
- 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
- Medium confidence
- Last verified
- 2026-08-18
Sources
- Energy and Sustainability Statement, Plot 3 Maylands Avenue, Hemel Hempstead HP2 4FQ
Secondary source · Amazon Data Services UK Limited (application document) · 2026-01-28
- Amazon lodges plans for new tape data centre in Hemel Hempstead
Secondary source · Data Centre Review (secondary) · 2026-02-17
Entry last updated 18/08/2026. Spotted something wrong? Tell us.
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