请教自己装修过房子的朋友, especially兔宝宝 ( H5 ~+ W/ F: g; s+ jI 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? 0 N3 A0 v; R J% e2 |# [ ' s& e; o9 r" } z4 YThanks.