 It is not clear when booking that you have to pay 24 per night for parking It is on the list that you have to pay if you scroll down but when booking it indicates there is no need to reserve parking this to me implies it is included 
 Easy access to the o2 arena Very clean hotel and friendly professional staff We never used the on site facilities or restaurants but everyone that we spoke to seemed impressed with them We used the facilities in the o2 as we were attending a weekend event 