Plans to change the use of a vacant shop unit have been approved allowing a frozen food chain to take over. Farmfoods was hoping to open a second store in the former Bensons for Beds in the Imperial Retail Park, Gravesend. However, plans to change the use of the ground floor for the sale of food and other goods needed to be given the green light first. In a planning statement, the applicant Box+III Gravesend Limited said the proposals would allow Farmfoods to move into the empty shop. The supermarket has a 470 sq m store in the Thamesgate Shopping Centre but the plans stated it “no longer meet…