Hello

I hope you can help. I have this Fiddle Leaf Fig and have had for 18 months. It's progressively getting sicker. I've read extensively on watering and I do let it dry out between waters. However there seem to be 2 main issues:
1) leaves go brown at the edges
2) the top leaves go "rusty" as in have little orange dots all over them.

You can see it's leaning too, and this is the door uses most often in and out of the house which I don't think it likes. However the room which is lightest in the house is also didnt seem to like before.

I am in the Highlands of Scotland and wonder if this is a problem and it's just not getting enough light ever.

Is he beyond hope? I would like to post 2 pics and dont know how so sorry if i mess it up on here.