UK Tax Simplified: Expert Guidance,
Free Calculators & Financial Planning
Your complete hub for HMRC compliance, Self Assessment, smart savings and professional tax services — written and verified by UK tax experts.
Clear, Accurate UK Tax Guidance
From a Specialist Writer
10+ years specialising in UK taxation, student finance and personal money management. Sara translates complex HMRC legislation into clear, actionable guidance covering income tax, NI, self-assessment, student loans and personal budgeting.
Sara closely follows updates to UK legislation and HMRC policy to ensure every guide remains accurate, compliant and current. Her evidence-based, structured approach breaks down complicated financial rules into accessible guidance — without oversimplifying critical details — for the 2025/26 tax year.
Free UK Tax & Finance Calculators
Instant results based on 2025/26 HMRC rates. No login, no data stored.
Income Tax & NI
Calculate your take-home pay, tax band, and NI contributions instantly.
Use Calculator →Capital Gains Tax
Work out CGT on shares, property and other assets. 2025/26 rates.
Use Calculator →Stamp Duty (SDLT)
Calculate SDLT for first-time buyers, home movers, and additional properties.
Use Calculator →Pension Tax Relief
See your true pension cost after relief, and project your retirement pot.
Use Calculator →Inheritance Tax
Estimate IHT with NRB, RNRB and gifts — for singles and married couples.
Use Calculator →3 More Calculators
Dividend Tax, Tax Code Decoder & Self Assessment Dates
View All 8 Tools →Expert UK Financial Guidance
Comprehensive, expert-reviewed hubs on every UK tax topic — structured so you always know exactly where to go.
Calculate UK Tax
On the Go
UK Tax Calculator Pro gives you instant access to all 8 tax calculators on your Android device — updated for 2025/26, works offline, no login required.
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Common UK Tax Questions — Answered
Fast, factual answers to the most searched UK tax questions for 2025/26.
Q What is the Personal Allowance for 2025/26? ›
The Personal Allowance for 2025/26 is £12,570. You pay no Income Tax on the first £12,570 of your income. The allowance reduces by £1 for every £2 above £100,000, reaching zero at £125,140. Learn more about Income Tax →
Q When is the Self Assessment deadline for 2024/25? ›
For 2024/25: paper returns by 31 October 2025 and online by 31 January 2026. Tax owed plus the first Payment on Account for 2025/26 is also due 31 January 2026. A £100 automatic penalty applies for missing the deadline. View all key dates →
Q How much can I put in an ISA in 2025/26? ›
The ISA annual allowance for 2025/26 is £20,000 per person, split across Cash ISA, Stocks & Shares ISA, Innovative Finance ISA, and Lifetime ISA (max £4,000 to LISA). All interest, dividends and gains inside an ISA are completely free from UK tax. ISA rules guide →
Q What is Capital Gains Tax and when do I pay it? ›
CGT is paid on profit when you sell an asset that has increased in value. For 2025/26 the Annual Exempt Amount is £3,000. Rates are 18% (basic rate) or 24% (higher rate). Property CGT must be reported within 60 days; other gains via Self Assessment by 31 January. Full CGT guide →
Q Do I need to file a Self Assessment tax return? ›
You must file if you are self-employed, a company director, have income over £100,000, receive rental income, have untaxed income over £2,500, or have capital gains above the exempt amount. Register with HMRC by 5 October after the tax year you need to file for. HMRC compliance guide →
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