How can I pay a fair price for the loft space above our flat?

The freeholder has rejected a surveyor’s valuation and seems to be taking advantage of us Q My husband and I jointly own a one-bedroom flat in Greater London on a long lease. There is a loft space above the flat, which is only accessible from our flat but isn’t included in the lease.We had a baby earlier this year, and approached the freeholder to ask if they would be willing for us to purchase the lease of the loft space, with the view of making it into a second bedroom. At the time