Thanks for the replies so far.
I tried to get it to match my previous bike but the geometry is a bit different so hard to do.
I have tried a few of my saddles but it still persists.
The cranks are both 172.5mm, all my other bikes have 170mm – so this could be it?
The hip pain is a dull pain that continues for several days after riding – it seems to affect the hip joint area only – there is no tenderness though