Now I'm confused! Maybe it's just the way it's written down there- looked like you were making a comparison between feet and metres then jumping to square metres. Whatever, it's a lot of money and a 15 acre site is never going to be feasible without a lot of financial backing... Edit: 15 acres is 653,400 sq. feet. At £2 per sq. foot that makes it just over £1.3 million per annum.