They don't make them any more (when I googled it I saw they were reduced to pretty much half what we paid, sigh) but it's called a Barlow. You might be able to find one somewhere.
Edit: Actually the figure for what we paid in my head was the three seater cost so they weren't reduced my that much.
I was thinking eBay could be your friend. It's a good sofa bed, we're planning to keep it and put it in our upstairs 'snug' (second living room which would normally be the big front bedroom) which will be used for TV watching, reading, cosy stuff. Then it can still be a guest bedroom when needed.
They don't make them any more (when I googled it I saw they were reduced to pretty much half what we paid, sigh) but it's called a Barlow. You might be able to find one somewhere.
Edit: Actually the figure for what we paid in my head was the three seater cost so they weren't reduced my that much.