This project presents the average market price of new homes for free promotion, offered in Barcelona during the last six months. The data presented are the result of the analysis of the database with the average prices of new housing in Barcelona on January 25, 2013, from the direct study of the market. Data collection was performed using the "Agendas" belonging to the municipal planning area provided by the City Council, and by capturing visual works and subsequent simulation of purchase. I have studied a total of 2401 houses under construction or completed, corresponding to 154 different real estate. The samples with which this study has been made of market are those that have provided data to study. It found that promotions in which there was no sign of the developer or provide personal data. The classification of the samples was done using cards, which have been grouped according to the districts to which they belong promotions, and which contained the promoters, types, qualities and values of housing unit. After all the information gathered has been analyzed and has developed a comprehensive market analysis of each of the districts of Barcelona. To perform this analysis have been used graphics to facilitate understanding. At the end of the project are the conclusions that can be reached after analyzing the market research.