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George E. Cawthon George E. Cawthon is offline
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Default Adding a basement to an existing house?

JLagg wrote:
Just curious as to the probability of adding a basement to an existing
house. It was built in 55 and is a ranch style single story 3 bedroom
1000 sq. It has a 3 ft crawl space all the way around. I have a drywell
and well also, no city pumbing at all. Any thoughts on this? Thanks


It is done a lot around here. How easy it is to
dig depends on the construction. If you have a
post and beam support system, you will need to put
large beams across the current beams. A more
common older system with a large beam through the
center may be easier. My father did this to about
two-thirds of his two story house and I helped him
mix and pour a good deal of the concrete for the
walls.

The cost here is very reasonable. Amazing how
much even just one hard working person can do in a
day. If I remember correctly, a friend of mine
had his dug out in about 2 weeks, ready to pour
concrete walls. You just need to find someone who
does this type of work.

A major consideration is the soil. Digging is
easy if it is fairly soft, impossible if the house
is above solid rock or large boulders. A second
consideration drainage and the the water table;
you don't want a basement floor that is below the
water table.

Good Luck!