请教自己装修过房子的朋友, especially兔宝宝4 `5 T5 P1 \+ V7 S* j: Q( g
I 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?" R, \% O( V1 e& }