One neighbourhood under a sandwich

Pret a Manger on corner of street.

Last Friday our friends -- I use the term loosely --  at the Fitzrovia Partnership Business Improvement District (BID) were tweeting away about the latest chain sandwich shop to open. "Who's heading to @Pret!? That's right - it's opening today! What a Friday treat!" they gushed full of excitement. What they probably didn't do was count how …