The old town houses are often a great opportunity, a diamond in the rough, which has to do almost a surgical task: clean cut, add prosthesis, and the result can be spectacular.
The owners wanted a very diaphanous space for the day zone, reason why it was necessary to rearrange and to demolish great part of the existing spaces. Take advantage of the patio located at the bottom of the plot. Build new stairs to connect with the upper floors ... so that in the end, there is a new and fully updated house.