I used company in crystal peaks brilliant job and good price @ £45.00 m2 fitted included all materials and skip to take away old lawn they have images of jobs completed on web http://www.mypadartificialgrass.co.uk
We would recommend Green Roofline Ltd, we have UPVC fascias, guttering and a flat fibre glass roof done by them, reasonable price, fully insurance backed guaranteed work, very tidy, pleasant workforce. Their number is 0114 2514291