请教自己装修过房子的朋友, especially兔宝宝 0 Z1 T5 R, a' H7 r- I4 nI purchased a 2 storey house with 2100 sqft, partial fininshed basement(1/4 finished), I want to finish the left 3/4 basement plus a full bathroom and a small kichen, do I need some permission? How much I have to pay? 3 l9 ]4 | X: T ( E% B; D2 g& r) G$ m9 u# nThanks.