Outdoor living spaces featured some of the most popular home improvements of the last few years, and the trend isn’t likely to stop soon. But for homeowners, choosing how to extend their outdoor ...

Dear Jim: We think adding a sunroom would give us more space and assist with winter heating our house. What design factors should we consider when building one from a kit or from scratch? - Larry H.

Dear Jim: My family needs additional living space. I want a sunroom, but I cannot afford to have one built. Are any do-it-yourself kits available? Can I build one from scratch and what design is best?

If part of the walls would have to be redone by a contractor, then why not tear out all the dated paneling in the large room? And if the paneling was going to be removed, what should be done about the ...