请教自己装修过房子的朋友, especially兔宝宝 3 L) h* F: _% A, B f- |# [. vI 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? 5 C( W: B( ?3 Q# ?0 R2 k \7 p7 x 2 O _0 c5 O7 D# ~! r4 ^Thanks.