Reception desk could not have been more helpful in finding a better room (more light, seating, and a bath) within the same category (when I pointed out that our room was a let down compared to the, ahem....aspirational photos shown on **********).
Only slightly bad taste left in the mouth was from Breakfast. Unless you really can't be bothered to leave the hotel, go out! Pain au chocolate, bowl of bircher muesli, 4 coffees, one terrible quality vegetarian 'full english' thing, plus service, £77! Coffee was Costa-level, no better, Veggie thing awful. Go to Delauney a hop, skip and jump up the road.
Noticed a clank or two from the plumbing (as another reviewer wrote somewhere), but it seemed to be from our room when we were using the taps - ie manageable, albeit perhaps not ideal given 5*/cost etc. But not a big deal for us.