The Piccadilly Hotel (today The Dilly) and Cordings – a glitch in the timeline?

I popped into The Dilly to see if there was anything left of what was, over 100 years ago, often described as one of the most impressive hotels in the world. I was on the hunt for any of its original 1908 construction or the 1920s revamp when it became one of London's best Jazz Age venues. Suffice to say, I couldn't find much from either period, but I did uncover an enigma whereby the dates for certain things simply don't make sense. 

This huge central London hotel fills the space bordered by between Piccadilly, Air Street and Regent Street. Its ...