shop in the centre of Volterra

We are negotiating the sale of a fund in the historic centre in one of the main streets of the centre of Volterra, a few metres from Piazza dei priori. 
The fund with independent entrance faces the main street on the ground floor. 
The total square metres are 50 square metres of which 35 square metres is the shop used as a service area for the business while the other 15 square metres are a storeroom and two bathrooms.  
The shop is composed of an entrance in the area used for sales and trade, through a separation in the back we find a storage area 
The two bathrooms and the storage room are detached from the shop and are located 10 metres away from the business 
The fund is currently rented with a guaranteed income, the contract expires in 2026.