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Cost for crawl space conversion

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Posted by: from Delta
12/10/2015 at 5:43:01 PM

I would like to convert my six feet crawl space into a basement. The house was built in 1979. Is it possible? What would be the cost to do it? The square footage is around 1200 sq ft.

REPLIES (4)
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Date/Time12/10/2015 at 7:14:02 PM

Need to know ground stability first. Clay/sand/water table height/etc.

Need to know surrounding area around house for accessibility of machinery.

Need to know what structures exist in proximity to the house.

Need to know what type of foundation wall exists: poured concrete ? concrete block ? Footing integrity ?

Need to know internal support mechanism of interior structure: posts ? wood walls ?

Need more clarification ?

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Date/Time12/10/2015 at 7:35:17 PM

Everything is possible, however A lot of variables come into the final price costing to lowering a basement floor/Underpinning your home and weather is adding value to your home.

Staring from a soil sampling/engeneering report to obtaining all necesary permits and finally choosing the right contractor.The Machine accesibity also plays a great factor in the feasibility of the project.

As a starting point you consider $30 to $50 per sq ft just for excavation and with additional costs after (Most likely).

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Date/Time12/11/2015 at 12:56:43 PM

Delta,

You are looking at some major work. Virtually lifting the house, removing the current foundation, digging, re-doing the plumbing and other utilities, pouring a new basement and re-attaching the house. Not to mention all the side items like soil testing and possible structural damage to the house. It may be worth your while to look at buying another place that suits your needs better.

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Aj in Delta
Date/Time12/11/2015 at 2:59:20 PM

Thanks for the responses. Doesn't sound very encouraging. What surprises me is that there are so many companies specializing in crawl space to basement conversion in the states and they make it sound like a really good investment too. There certainly seems to be some disconnect here. crawlspaces2basements.com is one such company in the states. I wish there were companies like that here in Canada.

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