Hi Neil. That looks like a decent location for garden birds. If the feeders are close to a hedge or other cover, then the birds will be more inclined to use them so that they can dive for cover if necessary. Blue Tits and Great Tits tend to take a sunflower heart away from the feeder and eat it nearby. I can't see why they wouldn't use feeders hanging in a tree. I have some hanging from a ceanothus tree. I keep seed in one feeder and sunflower hearts in another. Likewise I keep pellets and peanuts separate. You'll figure out what they like over time.
Just a thought, maybe you could sprinkle a few suet pellets and mealworms under the hedge, so the Robins and Dunnocks are catered for.
Unicum arbustum haud alit duos erithacos
(One bush does not shelter two Robins)
Zenodotus (3rd Century B.C.)
Thanks for the reply. The dunnock and robin are happy to feedback on the. It's table at the moment which is surprising. I also have some ground feeders for them.