Many people don't know this just make sure buy pre construction, a contact period of time where you might want to pay a fee called an "occupany fee" for the builder.
Simply put, this can be a loan that combines the construction loan one end loan or 30 year the particular house is built. http://sobaeksanrock.dgweb.kr/bbs/board.php?bo_table=free&wr_id=2982234