Properties for sale and rent in Spain

A property development project is seeking an investor to build a building with 4 houses for future sale. The estimated average price for the finished houses is 290,000 euros plus VAT. The return on investment (ROI) is expected to be 28%. The project involves several expenses, including demolition, architect's fees, quantity surveyor fees, engineering fees, and interior designer fees. The total fees for the architect, quantity surveyor, and engineer amount to 23,900 euros plus VAT. 

The work budget includes the demolition of the existing house, construction of four 2-bedroom apartments with a pool and solarium, and insurance and certificate expenses. The total cost for the demolition and construction of the houses is 629,000 euros plus VAT. Adding all the expenses, the total project cost is estimated to be 906,900 euros plus VAT.