According to most specialists, you must add 20 % to your estimate for the final cost. Nonetheless lengthy you suppose the renovation will take and no matter you estimate it can value, simply understand that it's going to most likely be much costlier and extra time-consuming. Depending in your goals and the extent of the renovations, fixer-uppers can take just a few months (or much less, if you are really fortunate) or Công ty xây dựng Lâm Đồng years to show around. If you are working with a LEED builder or developer, the home can score points if the builder fills you in on how to maintain the home vitality efficient over the years. The nearer to home you stick for materials, the extra experts you will be able to find to help you install them. In a phrase, no.