Leasehold and Freehold Reform Bill

The Secretary of State was talking about leasehold houses. I was recently visited by a group of residents from Hampton Wick in my constituency who have been collectively trying to buy the freehold on their houses. They have a very obstructive freeholder and are now resorting to an enfranchisement notice under section 5 of the Leasehold Reform Act 1967, but that requires a valuation from 1965, for which there are no records available, so they are now being obstructed in buying the freehold by that legislative basis. When the Bill introduces a new methodology for calculating the value of enfranchisement, will that old provision be got rid of?