Understanding Self Assessment and your tax return
Expenses if you’re self-employed (video)
If you are self-employed you may need to understand pre-trading expenses, day to day revenue expenses, capital allowances and using flat rates or simplified expenses. Access the HM Revenue & Customs (HMRC) self-employed business expenses e-learning tool.
You can also view this short HM Revenue & Customs (HMRC) video explaining expenses you can claim if you're self-employed and how to account for these in your Self Assessment tax return: