请教自己装修过房子的朋友, especially兔宝宝 t2 x; Q+ V7 y# |) C; oI 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? 6 J- Y( c1 O" C P8 W( L- ]' s - S! f$ _6 ]' @ y0 UThanks.