Our first house:
Land (1972) - $3K
House building costs (1974) - $20K
Sold end 1977 - $40K
Present house (brick, 4 bed 2 bath 2 car 700 sqm)
purchased 1979 - $49.5K
Present value - $550K -$600K
But you will not that it took us 3 years to pay off the land and save the deposit to build...