Neat, well done image. I personally like the distribution of weight added by the tilt - although it doesn't make it stand out special - and I fear the punters won't get it at all. Something to do with the sense of vertigo one can get from looking up at things like this. Nice stuff, but lacking in an element of delight - perhaps that light is just a touch too ordinary. 6
This is an amazing shot but it doesn't resemble vanishing point because parallel lines aren't appearing to meet. I love this shot, though. The angle is very interesting & the sky looks beautiful.
Instead of tilting the camera to take this picture, maybe sit on the ground at the front door and shoot directly up towards the spires. If you have a wide enough angle lens, you might get both and maybe even get them appear to bend towards each other thus creating your vanishing point. I do see what you were thinking here but it's not quite as effective. Maybe my idea isn't either.