of my "hours worked" on my Tax? I am filling out my self assessment, and I am trying to work out if I include my travel time as part of my hours worked. I have clients spread all over London, and I have about 10 appointments a week, each appointment is 1 hr long, so I work with clients for 10 hours in a typical week, but including the time it takes for travelling to and from the clients I am out at work for over 40 hours per week, this is what the job entails, so on my tax self assessment do I work 10 hours per week or 40 + ?