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Question DetailsAsked on 7/3/2017

We would like to expand the rooms in our house by expanding one side of the house. How much does it roughly cost ?

The house is currently 1170 square feet and lot size is approx. 5000 sq. feet. The two bedrooms are adjacent and one bedroom outside wall is 128 inches and other room's is 150 inches.

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Varies by local building cost of course, and type and depth of foundation needed - but VERY rough ballpark just to gibve you a VERY rough idea before you talk to an architect about conceptual design and preliminary cost estimate specific to your area, can run from ROUGHLY $70-120/SF for slab on grade, more like $90-150 for conventional crawlspace or daylight basement - with very simple interior finishes. Up to about 50% more in a very few very high cost building areas - NYC, SFO, Boston, upscale metro east coast of LA/Silicon Valley metro areas for instance. Nationwide average around $125/SF for normal grade construction. IF this is purely bedroom expansion - no new bath or water pipe additions or such, might come in as low as $70 in low cost areas with slab on grade (like rural deep south say) or in the roughly $100 or a bit more in most urban areas.


This assumes no permitting or zoning problems - adequate clearance from property lines, no need to increase septic system or well capacity, no local limitations on such an addition such as limitations on number of bedrooms, needing an extra bath added because of the added space, new HVAC system needed for the added space, etc.


Normally Architect would be your Search the List category for conceptual design and prelim cost estimate before committing to the job, then he/she does plans and specs and commonly helps with buyilding permit and any Planning and Zoning permits, then go out to bid with those plans to Remodeling - General Contractor category vendors.


Also - talk with architect on how to maximize your $ and resale value - might well be your money (if available) would be best spent if it included a new bathroom, or maybe make the addition a totally new room rather than expanding current rooms, because additional bedroom and/or bath increases the house value a lot more for the same square footage than just larger bedrooms.

Answered 1 year ago by LCD




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