The flat is very centrally located, with almost all places of interest within a walking distance, optimally equipped and in a quiet area. Duomo is 3 minutes away, Navigli 10 minutes. Metro is very close (Duomo and Missori) and gets you pretty much anywhere in Milano.
Host was very helpful and uncomplicated, and made sure we would have a good stay.
Warmly recommended - we already look forward to our next stay in Milano