where do you live ? I know an excellent "dogs hotel" in Cambs [about 40 mins from Stansted], they charge �12 per day but only �20 if both go in same kennel which has a rubber floor, proper camp bed and and piped music dayime and a run in a secure field each day, this is same price as London outskirts.Plus they spend time with your dog, been going there for 5 years now.
Most important is goung to have a look beforehand, some kennels just keep them prisoner in a small cage for 14 days, it would horrify you if you go and see.Pls check carefully.