What a beautiful and artistic house Matteo has! Matteo even offers to pick/drop you up from Santa Maria stn if he is available. A taxi ride each way is about 15 euro.
The apt is about 1.6 km from the city center. Next to the apartment is a grocery store, decent eateries and some small places to shop. There is also a bus stop nearby. A walk to the center takes about 20mins.
The house itself is amazing. There is an electronic lock to enter the building and to the apartment. The apartment is on the 2nd floor with no lift so it's a bit inconvenient if you have lots of luggage and don't like stairs. The apartment has a lot of amenities including bicycles, fully equipped kitchen (no microwave is inconvenient though). There is an oven and cooking range, all cutleries, dishwasher, washing machine etc as described in the listing.
Matteo greets you with Italian wine and some other choices of alcohol, which is great. The fridge also has some nice stuff for you to eat. The bathroom is beautiful but the shower area is very small, with no racks to keep shampoo and soaps so it's hard to bend down to the floor and take it each time.
The bedroom bed is like a bunk bed (but only near the ceiling), which is cool but you always need to climb up and down to use it. The stairs to the bed is a bit difficult to use as well. We ended up using the sofa cum bed in the hall instead. However half of the bed was not flat and inclined downwards towards the center and I ended up waking up with a sore back at times.
Communication with Matteo was spot on using WhatsApp. He will get in touch much before your stay and is always available for queries. We were there in peak cold and if you are used to tropical climates, then the house can be cold during winters and you will need to wear warm clothes and use very thick blankets (which is provided in the house). We contacted Matteo at midnight once since the house was very cold and he was quick responding and remotely increasing the heater temperature. You cannot control it locally though.
Overall a great experience and a great host. We will definitely consider visiting again when we are in Florence.