Beginning in 2003, with the provisional elimination of restrictions on land purchases by non-nationals, the housing industry in the city has become highly profitable with many new private homes and condominiums being built for European and Asian part-time residents. Sixty-nine percent of homes purchased by foreign nationals in the Antalya Province and 29.9% in all of Turkey are in Alanya. Buyers are primarily individuals, rather than investors. This housing boom put pressure on the city's many gecekondu houses and establishments as property values rise and property sales to locals fall. A height restriction in the city limits most buildings to (). This keeps high rise hotels to the east and west of the city, preserving the central skyline at the expense of greater tourist potential. The fringes of the city however have seen uncontrolled expansion.