I don't know anything about limey tax law, but just reading this thread makes the point very clear: somebody thinks that property taxes are too low across the b

I don't know anything about limey tax law, but just reading this thread makes the point very clear: somebody thinks that property taxes are too low across the board, and have been made up for with other taxes (presumably head or consumption taxes) that impact working people more than property taxes, which scale roughly with wealth. If you agree that this is the problem, challenging your own assessment doesn't solve anything unless you are one of the rich property owners who are underpaying. Even then, you'd also need to reduce the non-property (the head or consumption taxes) portion of taxes in order to relieve the burden on working people.