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Tax
Tax codes, allowances and reporting affect how much Income Tax you pay through the year and what you need to declare.
We set out the main concepts clearly and link to GOV.UK and HMRC. Your personal tax position is confirmed through your HMRC online account and official notices.
Marriage Allowance lets you transfer £1,260 of your Personal Allowance to your partner, cutting their tax by up to £252. Who qualifies and how to apply.
National Insurance for 2026 to 2027: who pays, Class 1 at 8% and 2%, Class 4 at 6% and 2% for the self-employed, credits, and how to check your record.
Who must send a Self Assessment tax return, the 5 October, 31 October and 31 January deadlines, payments on account, late penalties and how to fix errors.
Income Tax bands for 2026 to 2027: the £12,570 Personal Allowance, 20%, 40% and 45% rates, the taper above £100,000 and why Scotland has different bands.
What your tax code means: why 1257L is the most common code, what letters like L, M, N, BR, K and 0T show, why codes change and how to fix a wrong one.
Other topics
Cash ISAs, tax on savings interest, and how your deposits are protected.
State Pension, workplace pensions and tracing pensions from past jobs.
Borrowing responsibly, credit agreements and protection when you pay by card.
Current accounts, everyday banking and switching your bank.
Buying a home, mortgage basics and Stamp Duty Land Tax.
Child Benefit, Universal Credit and how to claim support you may be entitled to.
This article is general information and not personal financial, tax or legal advice. Check your own situation with HMRC, GOV.UK or a regulated adviser.