Slideshow: The Real Cost of Home Improvement

By Ben Steverman - 2012-11-26T19:03:24Z

Photograph by Christoph Martin/Getty Images

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Dining Room

Average cost: $3,438

Those who live in the western U.S. are most likely to have upgraded or added a dining room, and they spent about $700 more than the average amount. About half of dining room projects went over budget.