Bulgarian architecture and engineering consultancy firm Balkan Trade House will spend 10 million euro to build a multi-task complex in the southern town of Pazardjik, according to Filip Tsanov, who advises the project.The Fountains complex will be funded by a tailor-made mortgage product by First Investment Bank. It will sprawl on 3.4ha and comprise 22 four-storey blocks of flats, a swimming pool, sports facilities, children's playgrounds, a kindergarten, a restaurant and an administrative centre.The first batch of 12 blocks is due for completion within a year, and the whole complex should be finished by the spring of 2011.The investor said apartments will sell from 550 euro a sq m and have already drawn potential buyers.The complex will have a floor space of 32 000 sq m with most flats ranging from 82 to 95 sq m.