I don't claim any expertise on this specific operation - but is not
this a case of TfL being in the effective shoes of a Franchisee, and
Network Rail still being the freeholders? - a situation which has
destroyed the potential for less than stellar property transactions
due to there now being too many parties trying to extract both profit
and hypothecated gains within the life of a mere franchise.

LSH of course contains a large number of former railway surveyors and
what remains from the old station trading teams, so they do know what
they are doing.

Of course where the prize is larger it maybe worth a tripartite
developer / TOC / NR agreement to be entered - but that cannot be the
case everywhere and transactions have been lost that way