The comparison of investment in finished structure changes with the resulting change in the price of the property

This work aims to apply changes to a finished structure of a family house. These changes shall include adding an extension to the upper floor, installment of supporting constructs necessary for the extension, the attic and the roof. The main goal of this project is to determine the costs of these works and to compare them with the actual value of the real estate and also to show the diference in it‘s value before and after the aforesaid reconstruction