There is no such thing, or the 'normal' price of any item for that matter.
well, less abnormal
Residential real estate prices are struggling in Poland due to oversupply and increased interest rate hikes threaten to hamper demand. Even so, the second quarter experienced robust sales thanks to the lowered prices,(A major part has been played by the government's Rodzina na swoim (Family in Its Own Home) mortgage subsidies program, which helps people take out loans and buy over priced apartments.Without this market interference I wonder how much further they would have(naturally) fallen?)
which are as much as 28% below pre-2008 levels.
Compared to the peak levels seen before the global crisis (between H2 2007 and H1 2008):
House prices in Warsaw were down by 8.8% (-9.4% in real terms)
In Krakow, house prices were down by 8.8% (-10.8% in real terms)
In Lodz, prices have fallen by 15%
In Tri-City, house prices plunged by 21%
In Wroclaw, house prices were down by 28%
In Poznan, property prices plummeted by 29%
nuwireinvestor.com/articles/real-estate-sales-up-prices-down-in-poland-57720.aspx