John Towill wrote:

I need a fair quantity of both, and wonder where the best sources (good
quality at lowest price).
I live in North Staffordshire, and would happily collect the wood chips if
cost effective as I have a smallish trailer.
All help appreciated.
TIA

1) Any local arboricultural firm that has a chipper may be glad for you
to take it away.. Particularly in built up areas they have to pay to
send it to landfill or store it if they don't have the space to store
it, so reducing the load is always welcome.

2)
http://www.lbs-group.co.uk Phormisol sheeting is recomended.
//
Jim