Pine martens are still an endangered and protected species in the UK. Here in Kilchoan they are more common than domesticated cats. Most residents have experienced living with a pine marten. You may be sitting reading one evening then you hear something like a body being dragged across your ceiling........it's a pine marten.
They don't actually live in pine trees they prefer old buildings and centrally heated houses for the winter. Access is easy most houses over 30 years old provide entrances to the roof space.
|Pine marten in the roof space|
If you want to remove your visitor you must remember that it has the highest category of protection, higher than the Queen. There must be some bureaucratic process that will enable you to trap and then release it somewhere suitable. If there is I've never heard of it. So what ever you do you mustn't set a wire cage trap baited with jam or peanut butter on toast then release your captive in the woods.
You will just have to live with it like everyone else. As for the smell..... the pine martens don't seem to mind.