Companion Planting for Passionflower?

We have a common garden with two other houses. A very warm south facing wall belongs to one of them. We agreed to put passionflower on this without realising it needed supports. Our neighbour doesn't like to drill his wall. Is there another non flowering climber we could grow up the wall that the passionflower could then naturally use as support itself?

 

@Berberis Aristata
Ivy, the problem is most climbers grip by twining in one way or another, Ivy is self clinging as I think is Schizophragma this last flowers and can be slow.
As an alternative to drilling could you glue battens to the wall and then screw into these?

 

It doesn't sound feasible to me.
Mainly because if you get a climber that can keep up with the speed of the passion flower one will swamp the other.
I'm thinking if the wall was already covered in ivy it might work but in my experience ivy takes 5 yrs to get to the size you want it then the rest of your life trying to get rid of it.

Is the wall brick?
A trellis fixed with a few plugs and screws in the mortar joints are not likely to cause any real damage and is easier to remove, at a later date, than many of the self clinging plants.

 

Sunflowers can grow pretty big. So maybe with a little headstart they could be able to support them

 

He is a bit anal and generally against putting anything on. On a different section of wall there is already a form of virgin creeper that has very sparse leaves. I think maybe to try that. Or grow an ivy and them deliberately kill it and grow the passionflower on the remains.