" I heard that the Capitol is closing this month "
If that is the case, I bet the owners will be feeling a sense of relief in not having to pay the heating bill for another winter. Given that heat rises, and the amount of space above head height, can you imagine the cost of wasted (rising) heat is in that magnificently voluminous place!
I always wondered how Wetherspoons, who provide such great value for money, could be viable in a premises like that with such massive overheads - and I suppose the crazy increases in commercial electricity and gas prices throughout the last year or so must've taken a big chunk out of any profits.