There’s a code of practice for the siting of street cabinets and other infrastructure;
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/2057...
The operator should be maintaining a complaint process (VM if you believe it’s theirs). It’s not in this forum however.
Look for the appropriate contact and if necessary council planning?
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I know a bit about Wi-Fi, Telecoms, and TV as I used to do it for a living but I'm not perfect so don't beat me up... If you make things you make mistakes!