Here is an example of a typical “piso de protección” that appears to be selling in Madrid:
I’m not surprised that there’s demand for a €180k, 2 bed flat with garage and pool on a new development in the north of Madrid.
More upmarket one’s that seem to be selling in the same area are these:
They have been on the market for a few years (I have been following them) and now there are only 3 left:
The above links are cooperativas (I mentioned them earlier in this thread)
Here is another one in a more central Madrid location that also appears to be selling: