In the paper he said that the uncertainty over DTIZ was harming his business. To that I would say two things: 1. He can't overturn the CPO, only prolong the agony at considerable expense, and 2. Look at the hotel's reviews on
http://www.booking.com/hotel/gb/county-dover.en-gb.html?sid=5dbc5b286436ef8f8b92b01d1126fad0;dcid=1;srfid=f56a8d15abf0faffe1c2b998f137c9c2X19#hash-blockdisplay4 for a clue as to why it's under-performing.
The booking.com reviews are reliable because they only send questionnaires to a random selection of people who have actually stayed there, unlike Tripadvisor, where anyone can log on and make a comment.