The procedures with the new project is very similar, but there is a very important premise, that is, your original building procedures must be complete, such as land certificates, regulations and certificates, etc., if these formalities are not complete, then the formalities of the remodeling is very difficult to do, there is also another proposal is to go to the critical appraisal of the building, according to the refurbishment to go, then do not need to show the original planning permission, but there must be a land certificate, a qualified appraisal unit issued by the identification of the building for the need to remodel the project appraisal report. Qualified appraisal unit issued by the identification of the building for the need to transform the project's appraisal report. You can go to the Planning Bureau for the first planning opinion.