Some remodeling projects have an opposite effect on home values.

MarketWatch real estate maven Amy Hoak looks at four relatively common remodeling projects that can have an inverse effect on a home's value, even as they may provide residents with greater livability and comfort.

Of primary focus is expanding the size of bedrooms or living space at the expense of the actual number of bedrooms. From a real estate resales standpoint, that's a big no-no. Hoak writes:

Listing prices are set by looking at what comparable homes are selling for in the same market, and the number of bedrooms is an important characteristic used to compare two properties. “When you start eliminating bedroom space, you’ve completely changed the comparable value of your home in the neighborhood,” said David Pekel, president of Pekel Construction and Remodeling, in Wauwatosa, Wis.

Check out the other three tips.

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