I think its very well-done, but others are more expert with landscapes.
The one part that does not look right to me is the intense blue of the upper sky. I would selectively dial it that back.
Highlights are a bit bright, as you pointed out, especially along some of the edges close to left border, 60% up, 109-11 o'clock on the arch. You might burn a bit of the lower left corner for more tonal range and to bring the eye even more into the "window".
Scott
I believe what is needed is better light/dark control to guide the eye. Try darkening the edges of the image to better direct the eye to the visual meat of the scene, for example:
