London City Safe Bike Storage/Parking

Now I have a decent bike for my morning commute, I'm feeling a bit anxious just leaving it locked up outside work on the street. Does anybody know where around Liverpool St station there is a safe place to lock up, I wouldn't even mind paying.
Or is there a massive gap for someone to set something up like the bike hub off Tottenham Court Road
Or is there a massive gap for someone to set something up like the bike hub off Tottenham Court Road
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http://www.cyclehoop.rentals/suggest-location/
London Transport also have some sort of storage at London Wall, so will check that out as well
Cheers