 I was cold and increased the setting to 25 degrees and the room never heated up My credit card payment to Booking com was used as a holiding payment and citizenM charge 2 50 for credit cards so I had to pay by debit card The check in experience felt more like Premier Inn than a luxury hotel No walk around bed so a second person would have to climb over you to use toilets in the night The sink was in the bedroom not the bathroom 
 State of the art technology in the rooms