It is a Jennings Roadranger, it has its badge under the drivers seat. JENNINGS SANDBACH. Its a 1972 two berth, with gas hob and oven, fridge, sink, wardrobe, toilet compartment and lots of storage space.
This is it arriving! And thats me underneath i just can't wait!!
wonderful find, nice to see one - good luck with it. Looks like it'll come up a treat
had some lovely brochure stuff kindly donated by Steve Yates to image archive for different conversions - this one looks closest to yours
http://i209.photobucket.com/albums/bb50/studiocommer/commer-cials/CommerJennings1.jpg