bit of an @rse to fit, you have to remove your door panel, then get someone to hold you glass up whilst you undo the glass clamps on the window reg panel, then lower the leccy widow mechanism a tad, then remove the window reg panel after undoin all plugs etc......then you will have access to the lock unit, think its only hel on by 2 big torx bolts fromt he out side of the door, undo the plug and the hooks/rod and bingo easy.......
not sure on how much some one would charge to fit, if you know what your doin and have the right tools you could do it in 1hr tops.....