If you are looking for an integrated dishwasher this model from Hotpoint is a great choice. It has a normal noise level of 49 decibels.
From Electrical Discount
HIC 3B19 C UK
Comet
Hotpoint HIC 3B19 C UK dishwasher Fully built-in 13 place settings F
This product is also available at 4 unverified merchants.