I’m looking for hotel recommendations in central London. We will be going next summer as a treat for my daughter finishing school, myself, husband and 2 teens aged 16 and 14. I would like it to be luxurious and a little oasis away from the busy streets of London. Friendly staff would be a real bonus. A place called Sea Containers was recommended but it’s a bit out of our budget at £700 per night. Any ideas of a suitable place? Budget £500 per night absolute maximum, cheaper is better. Thanks very much for your help.