I've been looking into this myself Mike. Conclusion I've come to is that I'll likely have to buy the awning rail and get it power coated black before fitting (which I'm guesstimating would cost about £20). Click into the pictures of the post I've quoted below from another forum member who has done this (and it looks great).
Good options seem to be be either Funky Leisure (
VW Awning Rails & Drive-Away Connection Kits), or Camper Essentials (
VW T5 T6 Bolt On Awning Rail – Camper Essentials).
The Camper Essentials version looks sleeker/more hidden if you don't have roof rails to also contend with, but if you have roof rails, the Funky Leisure roof rails version is probably less hassle.
@kg1709 - you've gone down the route of power coating a Funky Leisure awning rail mate - couple of questions for you pal. 1. How's the powder coating holding up after inserting and removing an awning kador strip a few times? 2. Any tips for popping out the rubber bungs on the top of the Leighton roof rails (i.e. in the second picture of your post that I've quoted below)? I've had a half-hearted little tickle with a trim tool but they're not coming out easily and I don't want to damage them.