This looks fine. But if you want advice on improving your technique, you'd better post a larger picture, you can go up to 800 x 800 pixels. At the current size, your technique is hidden in the pixelation.
I am not in a position to comment on the landscape, but I have a good eye on buildings. You wrote "any criticism" but I hesitate because I don't know your intentions. You succeeded in realizing a very believable medieval mood, which is for a large part due to the perspective errors, as perspective came only into use in the Renaissance. So it could very well be a deliberate choice. And to an effective artistic effect. If not, I am quite willing to show you.
I like the composition, with its rhythmic diagonals