Any of the interior decorator/curtain and upholstery companies should be able to help you convert it into a cushion.
I've used World of Curtains and Welcome Furniture Trading over the past 8 years and found both companies' quality of stitching and fabrics to be very good (and much cheaper) than Sedar.
Welcome Furniture Trading Tel 266-3903. I don't have the number for World of Curtains anymore.
Hi, can anybody recommend someone / somewhere that can convert a tapestry I have just finished into a cushion cover ie sewing a backing onto it etc - I am not confident enough to do it myself !