Miele have some selected extra warranty promotions on the go again. Miele’s normal guarantee is 2 year, but some models have 5 year guarantees and some even have 10 year guarantees.
As John Lewis are their biggest dealer have a look here – Miele washing machines (Look for the extended guarantee notification in red)
Also check out Peter Tyson Appliances as they usually have good Miele offers. A long established family company focussing on high quality customer service.