It doesn't look like you have learned anything from all your previous ops. Just waiting for you to put the got drunk down the pub and then went to the casino and blew my roll post.
You're debating between full stacking and shortstacking. Didn't see any mention that you'd actually studied short stacking ranges and strategy.
anyway , did a bit of looking for you and came across this link
London Poker Guide - The Western Club - Casino cardrooms and poker clubs in London
scroll down to the cash game bit and they say
Doubt if they'll offer it you regularly but while you are running so short on bankroll it would help reduce the varianceCash Games
Cash games normally start when people start busting out of the evening comps and are typically NL Holdem (please contact the club for the stakes). Sometimes to encourage players to get the cash game started the cardroom will pay half the sit-down requirement which is normally £50. If you lose the money you don't have to pay it back, but if you win you do. They sometimes have slightly larger games (£100 sit-down for instance) if there is enough demand.