MARK HARDACRE
Yes - Its best to take an electrician on site, however most supplies to shops are up to 100A if the fuse in the property is 60/80A then you may need to upgrade, if its been a busy (electrically) property then the likelihood is its good to go. However if its been an estate agents then I guess it'll be suitable for moderate use. The Network Distributors not the Suppliers should be able to help in getting the optimum supply to you. I doubt whether you'll need a 3 phase supply for ovens & mixers for that size. Good luck...