This, monthly rent actually costs more here in Ireland than what you would pay monthly for mortgage.
There's no free lunch. The more friction, taxation, and tariffs you add to the housing market, the higher prices go for both renters and home purchasers.
Property tax has a known problem of taxing improvement in addition to land, which constrict urban development. Plus, imposing additional property tax means improvements are further penalized, which means efficient land ownership are penalized.
You should look up Georgism and read up on what they have to say. It's a reaction to the 19th century economic condition but it very much apply to our 21st century situation and even more relevant today.
This thread is interesting, as we are all naturally biased towards problems in our own area, and I'm learning some interesting nuances affecting other parts of the country. I live in Chicago / Midwest that has more land and residential high-rises, but our tax problem is a nightmare.
Very hard to make this work, people find complex ways around it; e.g. “I don’t own that property, it is owned by an LLC which is owned by a trust whose beneficiary is an LLC owned by another trust of which I’m one of the dozen individual beneficiaries”. Close that loophole, someone will cook up an even more obscure one.