Cost to convert crawl space to basement?

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Posted by: from Coquitlam
1/8/2016 at 2:16:37 AM

We have a 2 story 1900 Sq ft house with a 4' crawl space below. What would a budget be to convert to 8 foot basement? Dirt floor crawl.


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Date/Time1/8/2016 at 9:06:08 AM

Good morning,

Where are you located? What are the soil conditions like?

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Date/Time1/8/2016 at 11:01:30 AM


Without seeing the project it is difficult to provide an estimate. Having said that, the short answer is "lots". You'll have to find out what is below the current dirt, how to extend the foundation walls and support posts to the new level, how to cope with the plumbing issues,and so much more. I would suggest that you consult with a structural engineer as your first inquiry to see what can be done structurally. From there you can get estimates on the actual work. I would consider moving to another house before investing in a major renovation.

Regards from Edmonton.

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Date/Time1/8/2016 at 2:14:48 PM


Again, like other replies. IT is Always better to see you project, have drwaing and see the locations. So this way, you will have a better quotation on your project.


Daniel Drouin

Project Coordinator

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Date/Time1/8/2016 at 3:11:17 PM

Hello Mark,

There is a lot of planning, researching, and investigation work that will need to go into a construction job like this. In the Coquitlam area there could be lots of benefits of having the extra basement suite whether for family or rental purposes. So as the other people have suggested it would be quite a big undertaking, but that said theres ways to approach this so you can get a handle on what your getting into. With setting up an appointment with the right Contractor, you could get a grasp of the scope of work and we can see what we are dealing with and generalize the budget range with a free estimate Low and High. This will allow you to see if its worth doing and help you get a better understanding of what will need to be done step by step.


Justin Endresen

Alair Homes Maple Ridge

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Andrew in Vancouver
Date/Time1/8/2016 at 3:12:00 PM

Hi Mark,

This is the sort of job we deal with all the time. There are a quite a few factors that will influence the price of your renovation. It's likely you will be changing the structure of the home which means you will need to add footings to the existing foundations. Most likely, this will be a six figure project.


Andrew at Kerr Construction

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Mark in Coquitlam
Date/Time1/8/2016 at 3:29:54 PM

Thank you all for the quick and helpful replies. I have a list of contractors now that I will contact to get more info.


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Reza (Ray) from Handy Man for Calgary in Calgary
Date/Time1/9/2016 at 8:42:02 PM

Without seeing the project it is difficult to provide an estimate.

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Reza (Ray) from Handy Man for Calgary in Calgary
Date/Time1/9/2016 at 8:43:14 PM


Without seeing the project it is difficult to provide an estimate.



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