House Has Different Types of Siding - How to look seamless?
It's mostly aesthetics, so opinions may vary.

I don't what your budget is, but I see many ways it could be improved:


The white siding part could be changed to match the beige siding to the right, or if the foundation allows it, replace the white siding with the same brick as the rest.
The white door could be painted (or changed altogether) to match the main door. 
If the door in the white siding section is not used (there is no porch, so I guess it isn't), maybe you could remove it and center the window (or change it for a larger window). 
If the door cannot be removed, can it be centered in the siding section? it would help to make it look seamless (and add a proper porch).