Tax

Tax guides

UK tax guides — self-assessment, tax codes, allowances, capital gains, inheritance and ways to legally reduce your tax bill.

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Tax 27 Jun 2026
Tax Codes Explained UK 2026: What Yours Means and How to Fix a Wrong One
Your tax code tells your employer how much income tax to take. Here is what 1257L and the letters mean, why codes go wrong, and how to fix one and claim a refund.
10 min read Read guide →
Savings 16 May 2026
Self-Assessment Payment on Account 2026: Complete UK Guide
Your second 2025/26 payment on account is due 31 July 2026. Here's how it's calculated, the first-year 1.5x surprise, and how to reduce or pay it.
11 min read Read guide →
Tax 20 Jun 2026
Making Tax Digital for Income Tax 2026: Who’s Affected and How to Prepare
From April 2026, sole traders and landlords with income over £50,000 must keep digital records and send HMRC quarterly updates under Making Tax Digital for Income Tax. Here are the thresholds, deadlines, software rules and a step-by-step checklist.
11 min read Read guide →
Tax 20 Jun 2026
Personal Savings Allowance UK 2026: How Much Savings Interest Is Tax-Free?
HMRC's savings interest tax take quadrupled in four years to £10.4 billion. A 2026 UK guide to the Personal Savings Allowance, the £5,000 Starting Rate for Savings, the ISA tipping point and how to legally keep your interest tax-free.
12 min read Read guide →
Tax 25 May 2026
Marriage Allowance UK 2026: How to Claim £252 a Year (and Backdate £1,008)
Marriage Allowance UK 2026 guide. Transfer £1,260 of personal allowance to your spouse and save £252 a year in tax — plus backdate up to 4 tax years for a £1,008 lump sum. Free to claim direct from HMRC.
13 min read Read guide →
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