3 articles tagged with Self Assessment 2026 27.
The cash basis is now the default for most sole traders, taxing money when it actually moves. Learn when accruals accounting still wins and how the choice affects your 2026/27 Self Assessment.
Your first Self Assessment bill can be 150% larger than expected because of payments on account. Learn how the 31 January and 31 July advance payments work and how to plan for the cash flow shock.
HMRC flat rates can save record-keeping, but actual costs often beat them. A worked comparison for sole traders deciding which method to use.