I have previously grown white flowering runner beans as they do not get attacked by sparrows as badly as red flowering varieties. Moonlight have been my favoured choice but last year I tried a new improved version called 'Snowstorm'. They were brilliant and were indeed superior to Moonlight in quality, size, flavour etc including freezerbility (is there such a word? I'm sure you will get my meaning.
Now, the point of this post was not to extol the virtue of the beans but to highlight the growing method. I spotted someone else placing their bean sticks in an 'X' formation (I have always done the conventional 'A' frame!). An 'X' formation is easier to do as the crossover of the canes is much lower, and 2. when the beans grow they do not get so tangled at the top of the frame and as the beans hang down they are so much easier to see and to pick. Hope this makes sense!