Residents slam 'unacceptable' South Mimms data centre

The data centre just off the M25 would be the largest in Europe. <i>(Image: DC01UK)</i>
The data centre just off the M25 would be the largest in Europe. (Image: DC01UK)
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Residents have slammed approved plans to build Europe's largest data centre in South Mimms, describing the decision as "unacceptable".

Despite members of the Potters Bar Special Interest Group submitting hundreds of objections to DC01UK's plans for the world-leading facility east of the South Mimms Services, Hertsmere Borough Council’s planning committee green lit them last month.

Now, the group have written to the council, describing their decision as "unacceptable", and will come at the detriment to the character of the surrounding area.

"We wish to reinstate our members’ original concerns in full about the detriments this scheme will cause to the character and residential nature of Potters Bar," the letter reads.

"Hertsmere Borough Council has neglected to fulfil the requirements of its own Local Development Plan, which is unacceptable. The Potters Bar community has lost faith in the council to represent their best interests.

The landscape-led scheme is set in 85 acres of grounds.The landscape-led scheme is set in 85 acres of grounds. (Image: DC01UK)

"Our objections have not been addressed with any degree of substance in the Planning Officer’s Report, during the committee meeting, or during the consultation process. Our questions sent to you repeatedly were not addressed at the meeting as requested or even acknowledged.

"This represents a lack of due regard for those who do not support the application and denotes bias."

The letter also raised concerns about the Green Belt, traffic problems and the provision of service and infrastructure to support for the scheme.

Responding to the letter, a spokesperson for Hertsmere Borough Council said the application was "comprehensively assessed" before being approved.

"Our planning officers comprehensively assessed the application, and the planning committee granted outline permission for the development," they said. 

"The prior, related consultation was conducted in accordance with our Statement of Community Involvement.

"It is not our policy to respond to individual objections to planning applications as we do not have the resources to do so.

"The report was published five working days in advance of the planning committee meeting, held on 23 January 2025, and this addressed the objections raised when the application was being considered.

"It is clearly stated, in the Agricultural Land Survey, that the site consists of 95 per cent Grade 3b (moderate quality agricultural) land and five per cent non-agricultural land."

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