I'm in my second house that's 1½ storeys - So there is a kneespace behind the walls, and the attic is very small.
Both of my houses were built over 60 years ago - neither of them have had any soffit venting. (The soffits are on the first floor - so any venting would result in airflow behind the walls of the second floor.)
My question is, Is there something different about a 1½ storey house that there should be no soffit venting? ..Or did the builders in those days not know the value of venting? Or were houses just colder then - so less heat made it to the attic?
Is the soffit vent a modern technique? Should I cut some vents, or will that airflow suck all of the heat out of the second floor?