# NTT Hemel Hempstead 3 Data Center

NTT Hemel Hempstead 3 Data Center is a data centre project in Campus, Spring Way, Hemel Hempstead, HP2 7TN, United Kingdom. The reported operator is NTT Global Data Centers.

Canonical: https://eloragrid.ai/land-grid/data-centres/united-kingdom/ntt-hemel-hempstead-3-data-center-8f776310f650
Status: Operating
Operator: NTT Global Data Centers
Evidence reviewed: 2026-11-10

## About this location

NTT Hemel Hempstead 3 Data Center is a data centre project in Campus, Spring Way, Hemel Hempstead, HP2 7TN, United Kingdom. The reported operator is NTT Global Data Centers.

## Status evidence

Current first-party dedicated facility page/roster explicitly offers computing/colocation services at this named facility. Undated primary pages are reviewed on2026-11-10, without an invented publication date.

## Location evidence

EnvironmentAgency public-search snapshot of April2023 NTT four-facility submission (raw URL now404/unavailable) identifies this exact Campus/Maylands/HH4 unit and OS NationalGridReference. TransformedOSGB36 toWGS84 with1000m uncertainty; current operator dedicated page separately verifies computing service. Government postcodeHP27UP forCampus reconciles rejected operatorHP27TN; neither headquarters nor generic town centre substituted.

## Electrical work and project likelihood

Probability not assessed. Planning stage is not a calibrated probability.

## Sources

- [NTT current physical DC hemel-hempstead-3-data-center](https://www.nttdata.com/en-us/services/global-data-centers/global-locations/emea/london-data-centers/hemel-hempstead-3-data-center) — 
- [EnvironmentAgency NTT Hemel four facility addresses and grid references April2023](https://consult.environment-agency.gov.uk/psc/hp2-7su-ntt-global-data-centers-emea-uk-ltd/supporting_documents/Application%20%20Variation%20V002%20%20NTT%20HH4%20Phase%202%20Non%20Technical%20Summary%20NTS%2011072023.pdf) — 
- [EnvironmentAgency NTT four-facility permit decision2022](https://assets.publishing.service.gov.uk/media/6204fb57e90e077f7ca77840/Decision_Document_BP3800PZ.pdf) — 
- [Environment Agency Climate Change Agreements current register](https://environment.data.gov.uk/api/file/download?fileDataSetId=e3525ee0-4725-4626-a21e-1687872602fc&fileName=Climate_Change_Agreements.xlsx) — 2026-09-18
- [Government-authored DATC umbrella agreement dated18December2020 (public archival mirror)](https://s3.amazonaws.com/thegovernmentsays-files/attachments/177/1777179-1-Umbrella_climate_change_agreement_for_the_data_centre_sector.pdf) — 2020-12-18

Elora editorial summaries; linked sources and geographic data retain their respective rights. No blanket third-party licence is granted.

Nearby infrastructure does not establish an electrical connection, available capacity or an open tender.