By Nick Sommerlad A super-rich Tory donor who is in charge of the party’s property portfolio has been hit with a £4.5million tax bill for unpaid VAT on an apartment block reportedly used by prostitutes and their clients. HMRC has ruled that Dr Christopher Moran’s company which owns the London block – previously nicknamed “Ten Floors of Whores” – failed to charge VAT to short term occupiers of hundreds of apartments, including sex workers and their pimps. Dr Moran’s lawyers said escort allegations were a “grotesque exaggeration” and his property company which owns and runs Chelsea Cloisters too…