Factors influencing the value of houses: Estimates for the city of Cagliari, Italy

- Reduced-size houses are cost-rewarding.
- For any residential unit that overlooks the sea it is possible to identify a wide gradient of position quality levels.
- Some features of typological quality of houses can be improved for reasons related to their use value.
- Policies that focus on improving the quality level of neighboring urban spaces can lead landlords and homeowners to renovate private and common parts of their building.
- This research methodology offers powerful tools to define city fiscal policies to deal with value generated by residential expansion.