Small supply boosts home costs by 4.7 per cent 4 Y3 ]6 f; H. b! P4 E ( a' S* C) V, n% r/ T. q! g ' n% R8 ~3 i8 M0 ]Edmonton still only 10th most expensive market in country; average south-side house sells for $419,504 1 `8 p; O1 W3 V4 T, C 1 w# ^% K0 D! W. q8 J/ k* g% Y 6 E/ D) i" \- o8 V* DEDMONTON - Home prices rose another 4.7 per cent in June as the Edmonton Real Estate Board warned of "consumer desparation."