Teacher working on the side - how much will I be taxed?

Hi, I am a teacher currently on M1 band (£33,075). I have an additional role as a freelance writer which I am registered for as a sole trader. I will make about £600 from this each month. How much tax will I pay on this? I know I need to declare all of those earnings on my tax return but am confused about how this works in addition to my regular, already taxed job. Thanks for any help!

Hi ,
 

Unfortunately, we are unable to provide specific advice tailored to individual circumstances on this forum. However, you can check what taxes may apply to you as a sole trader here: Check what taxes may apply to you as a sole trader    . Thank you .