请教自己装修过房子的朋友, especially兔宝宝 9 r3 S1 b4 m+ m4 Z0 PI 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? % O" T0 B! C8 X) J6 Y- Q6 }1 |+ Z/ U7 b5 D6 H
Thanks.