12 x 12 room x 2 -> 288 sq. ft.
15 x 20 living -> 300 sq. ft.
12 x 15 kitchen -> 180 sq. ft.
8 x 5 toilet -> 40 sq. ft.
total = 808 sq. ft.
Movement space = 808 x 30% = 242 sq. ft.
total 1050 sq. ft.
Low cost = 3500 per sq. ft.
Total cost = 1050 x Rs. 3,500 Rs. 3.68 million
Average house = 4500 per sq. ft.
Total cost = 1050 x Rs. 4,500 = 4.72 million
Not included: Site clearing cost, building plan approval cost, water supply cost, electricity supply cost, tile cost, bathroom fittings cost
[මේ තියෙන්නේ උත්තරේ මේක හරි, පොඩ්ඩ පොඩ්ඩ පටන් ගන්න කල් යනකොට තව වැඩි වෙනවා ]