First and foremost - there was no wi-fi which nowadays with Britain having left the EU - means no roaming and a lot of extra costs and hassle for a teenage family.
Moreover, on a more traditional note - the double bed was a catastrophe - formed like a volcano
The air-flow was non-existent even with the window open, but in the second room we had - it wasnt even possible to open the window
On the positive side, location is excellent