the lighting is a little harsh, and it's a bit blurry. shooting glass can be hard like that - a polarizing filter would have done wonders. you can clean some up with photoshop, but the filter is the best way to go. also, I might have cropped the image more on the right - being able to see the bottom of the window takes some of the flow out of the pic. good effort.
Picture is overexposed. Try turning the ISO down a bit. Sometimes if there's too much light indoors you have to take it out of indoor mode and adjust manually. Composition is nice.
This is a good idea, and the window panes are certainly on topic, but unfortunately it looks a little blurry. You can barely tell it's a glass window tho, and glass is very hard to photograph, so bonus points for that!