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Question DetailsAsked on 10/18/2014

removal of 17 ft load baring wall - cost estimate of project

Removal of two walls to open floor plan from kitchen into front room and side family room.
loading baring wall has three electrical outlets and home thermostat
non-load baring wall has three electrical outlets
outer wall supports load up to the load baring wall removal
raise of floor joists (approx. 9 inches) in outer room to level of inner room flooring. This will allow heating/cooling venting for outer room.

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1 Answer


To do this, in almost all code jurisdictions you are going to need plans from an architect showing the structural support changes and electrical moves, and new HVAC runs, etc - so start there, and once the rough layout is agreed on can prepare a construction cost estimate for you that should provide a good baseline to compare with bids - and he/she can also help you locate a good General Contractors to bid the job.

An important consideration on raising the room floor is if you are raising the entire section of house - floor, walls, roof etc - or just putting in an overlay floor and losing 9 inches of headroom, which is definitely out with a 7 foot ceiling but might squeeze in with an 8 footer ceiling - though it might make that room look a lot like a cave if you do that, particularly if an open room like a living or rec or sun room.

Since it sounds like one of these walls (or maybe both) provide support all the way to the and including the roof plus raising a room level, I am not providing an "estimate" but I would be quite surprised if it came in below the $20,000 range, and if totally raising the "outside room" possibly quite a bit more.

Answered 5 years ago by LCD

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