Neff are one of the worst Appliance Manufacturers I have ever had the displeasure at dealing with. The products are over priced, poorly built and backed up by over pretentious customer service staff.
Neff market themselves on good, solid german engineering but in actual fact a large number of the components are actually cheap Polish and Chinese items.
The artificially keep prices high by bullying companies that sell there products into increasing prices. For example if a online retailer sells Neff they will be given a high buying price than a kitchen showroom, this is done because Neff does not trust online retailers to sell its product responsibly. This type of price fixing massively breaks UK law regarding price fixing, although no retailers will come forward due to the fear of losing there Neff, Bosch, Siemens account.
My advice as a past Appliance Salesperson would be to buy Miele, their products are of a much higher quality.