Create an office separate from the main living areas of the house and declare it off limits during working hours. Invest in some quality headphones for quiet, heads down, work. Maintain a good work schedule, and stick to it. Train the children to go silent when Dad’s cellphone rings, but make sure your cellphone ringer is turned on. Take a long lunch and enjoy your opportunity to work from home. Ask your spouse to communicate with you via IM or email.
I like the sixth tip on asking your spouse or family to communicate through a more indirect channel. This is a less distraction compared to tapping on the shoulder. You can choose when to answer, so that it won’t interrupt your flow. 6 Tips for Working at Home With Children – [Business Opportunities Weblog]