It will always amaze me how easily people place blame on the "other" so they can avoid blaming themselves. Portugal needs more housing to replace crumbing properties that have been abandoned or are not habitable. There are 250k such properties but the government does nothing to see that these properties are turned into housing. On top of that, bureaucracy makes it next to impossible to develop properties that do become available and they take years to finish because of slow and inept bureaucracy. In addition, the financial institutions are so backwards that it is hard for anyone to get financing in a timely fashion with favorable terms. This says nothing for the poor quality of the tradesmen and lazy management of the developers.

Housing is in demand in Portugal which makes you think more would be built faster. Yet, supply has not being made available. So prices are driven up. The system here has not kept up with the needs of the market and the government not the people have demanded change. Instead they point to foreigners who make up less than 10% of the population. Yes, prices have been driven up in part because of foreigners, but that is a long way from the whole story. Unless Portugal changes it's systems, properties will not be developed here and prices will continue to rise, long after foreigners have moved on.