Mark Mac,
You refer to wanting a very small porch awning and having just researched and purchased one I note that there are lots available. The light weight ripstop nylon models with whippy carbon fibre poles made by Sunncamp and others may suit.
Just one comment though which may help, we intended to buy a very small porch but when we really thought things through we realised that rather than something to accommodate just dirty shoes and damp coats we would like it to be big enough for 2 chairs and a small table, so the requirement grew.
Then we realised that even on one night stops the 15 year old plus friend would rather sleep in the awning to chat about girlie things, so the requirement grew a little further.
We ended up with a Sunncamp Ultima 260 (