I have five or six novels in the works at varying degrees of completeness... No kidding though. They're not even close to related either. Several different genres.
Several things I do to get to work:
Set a time each day, every other day, or maybe on the weekend where you will sit down and write for an hour. Nothing but write. If you get nothing on paper, oh well, you still have to sit there. And don't stare at the clock as you are writing. Once you start, don't stop until you've finished for the day or that hour has passed. Either way.
Personally, I need to do it in the morning before anything else, I'll even get up early sometimes! I used to wait until late at night when the day was done, but by then I was more interested in wandering the web than doing any serious writing.
I was/sometimes am a serial facebook checker / DU wanderer. I unplug the internet now in the house before starting to write. It helps a lot. There's surprisingly little on my computer to distract me, so I work longer and get distracted less.
Hope it helps some.