Originally posted by: Alienwho
It's not a mansion until you can get lost in it. Secret rooms and passages are also mandatory. Around here, virtually every single house is 3500+ square feet. That's only a main floor and a basement on a quarter acre of land. Your house doesn't even start to be considered big until 7500+ sq. feet. 5000 is spacious. My parents house is 4500 sq. feet, has 6 bedrooms, 3 full baths and 3 half baths, 2 family rooms, a pool room, movie room, storage room, but it doesn't look or feel big.
If you can look at a house and guess how big it is just by looking, it's not a mansion.