The new KFC restaurant on Harlaxton Road is expected to open in September.
David Hindmarch, managing director of Grantham Estates who own the land, said that their side of the project will be completed in the next 10 days.
He said: “We hand it over to KFC on 1st August to be kitted out, and we envisage that it will be finished between early and mid-September.”
The fast food restaurant is being built on the site of the old Isaac Newton pub after planning permission was granted in August 2012.
Mr Hindmarch also revealed that the potential for two additional food and drinks units on the same site was being looked into, although this is at the early stages.