Need to add an additional large bedroom & enlarge bathroom. The pre-existing home was built in 1930's, really tiny (600 sq ft). The house is made of some kind of concrete block so seems pretty sturdy & it has a crawl space. Sorry this is all the info I can think of that may be important. Needs roof repair, but figure this can be done all at the same time. Also, I would be willing to do the finish work myself (painting, flooring, molding, etc), as long as the plumbing, electrical & all the main stuff is done. (I've been watching to much HGTV), but I'm on a very limited budget. Thank you in advance for any response. Any other info on what other costs may be involved would be helpful. Hope I'm doing this right, sorry if I'm posting in the wrong place.