There is an application (ref 25/00197/PCB) to remove the Telephone Kiosk outside the telephone exchange in Middle Street, Great Gransden. The closing date for comments is 20th March 2025. Full details can be found via the above link, or by visiting the HDC planning portal (https://publicaccess.huntingdonshire.gov.uk/online-applications/) and searching for the application by its reference number.
By the way, the telephone kiosk is a listed building: see https://britishlistedbuildings.co.uk/101392239-k6-telephone-kiosk-great-gransden and https://historicengland.org.uk/listing/the-list/list-entry/1392239.