Complete UK Tax Guide 2026/27 — Income Tax, NI, CGT, IHT and More

Your complete guide to UK tax 2026/27. Income tax rates, National Insurance, capital gains, inheritance tax, council tax, self-assessment deadlines, and tax-saving strategies.

Tax information is based on HMRC rules for the 2026/27 tax year. Tax rules can change — always verify current rates at GOV.UK. This is not tax advice. Consider consulting a qualified tax adviser for your personal situation.

Understanding UK tax can save you thousands of pounds a year. From income tax and National Insurance to capital gains, inheritance tax, and self-assessment, this section breaks down every tax you might encounter — with calculators, current rates, and practical strategies.

Key Tax Rates 2026/27

Tax Rate Threshold
Personal Allowance 0% Up to £12,570
Basic rate income tax 20% £12,571 – £50,270
Higher rate income tax 40% £50,271 – £125,140
Additional rate 45% Above £125,140
NI (employee) 8% £12,570 – £50,270
NI (employee) 2% Above £50,270
Capital Gains Tax (basic) 18% Above £3,000 exempt amount
Capital Gains Tax (higher) 24% For higher/additional rate taxpayers
Inheritance Tax 40% Above £325,000 nil-rate band
VAT (standard) 20% On most goods and services

Tax Hubs

Income Tax

Tax bands, rates, the personal allowance, how income tax is calculated, and the Scottish income tax differences.

Take-Home Pay

Take-home pay calculators for common salary levels, payslip explained, and what deductions mean.

National Insurance

NI rates, thresholds, how NI builds your State Pension entitlement, and voluntary NI contributions.

Tax Codes

How to read your tax code, what the letters mean, and how to fix a wrong tax code.

Self Assessment

Who needs to file, deadlines, how to register, what to include, and how to pay your bill.

Capital Gains Tax

CGT rates, the annual exempt amount, asset disposal rules, and when to report gains to HMRC.

Inheritance Tax

IHT thresholds, residence nil-rate band, gifting rules, and how to reduce your estate’s tax liability.

Property and Landlord Tax

Rental income tax, Section 24 mortgage interest rules, stamp duty, and landlord allowable expenses.

Council Tax

How council tax bands work, discounts, Council Tax Reduction, and appealing your band.

Self-Employment Tax

Sole trader tax, Class 2 and Class 4 NI, allowable expenses, and the trading allowance.

VAT

VAT registration thresholds, standard vs reduced rates, VAT returns, and the Making Tax Digital rules.

Dividend Tax

Dividend allowance, rates for basic and higher-rate taxpayers, and how dividends are taxed in 2026/27.

Tax Relief

Marriage Allowance, Gift Aid, uniform tax relief, professional subscriptions, and other reliefs to claim.

Tax Year

Key dates, deadlines, and what changes each April.

International Tax

UK tax for non-residents, double taxation treaties, moving to the UK, and the remittance basis.

Employment Benefits

Benefits-in-kind, P11D, company cars, electric vehicles, salary sacrifice, and payroll year-end.

Tax Calculators

All HMRC and PocketWise tax calculators in one place.

Sources

  1. HMRC — Income Tax
  2. HMRC — National Insurance
  3. HMRC — Self Assessment

Topic Guides

Capital Gains Tax UK: Property, Shares, Reliefs and Annual Exemptions

A complete guide to UK Capital Gains Tax, including rates, allowances, property gains, shares, reporting, reliefs and …

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Income Tax UK: Tax Codes, Allowances, PAYE, Scottish Rates and Reliefs

Understand UK income tax: 2026/27 rates and bands, personal allowance, tax codes explained, Scottish income tax, …

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International Tax UK 2026/27 — Moving Abroad, Expats, Non-Doms and Digital Nomads

UK international tax hub 2026/27: Statutory Residence Test, split year treatment, FIG exemption (non-dom replacement), …

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Self Assessment UK: Registration, Filing, Payments on Account and Penalties

Everything you need to know about Self Assessment: who needs to file a tax return, deadlines, how to register, UTR …

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Self-Employment Tax UK 2026/27 — Income Tax, National Insurance, Expenses and IR35

Self-employment tax UK 2026/27: how sole trader tax works, Income Tax and NI rates on profits, allowable expenses, …

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Student Loan Repayment UK 2026/27 — Thresholds, Plans, and Write-Off Dates

UK student loan repayment guide 2026/27: Plans 1–5 and Postgraduate explained, repayment thresholds, monthly deductions …

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Take-Home Pay UK: Salary Calculators, Deductions, NI and Student Loans

Understand UK take-home pay: how income tax and National Insurance reduce your salary, regional differences, salary …

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Tax Relief for Employees and Self-Employed UK 2026/27 — What You Can Claim

Complete UK tax relief guide 2026/27: employee expenses, working from home, pension relief at source, Gift Aid, Marriage …

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UK Tax Calculators 2026/27 — CGT, Inheritance Tax and Rental Income

Free UK tax calculators for 2026/27: capital gains tax on property and shares, inheritance tax on estates, rental income …

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UK Tax Codes Explained 2026/27 — What Your Code Means and How to Fix It

UK tax codes explained simply: what 1257L means, how K codes work, emergency tax, multiple jobs, P45, P60, and how to …

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UK Tax Year Dates, Changes and Deadlines 2026/27 — What's New and When

UK tax year hub 2026/27: key dates calendar, what changed April 2026, what changes April 2027, year-end checklist, …

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Employee Benefits & Tax UK 2026/27 — BIK, P11D and Salary Sacrifice

How are employee perks taxed in the UK? Complete guide to benefits in kind, P11D, BIK rates 2026/27, and salary …

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VAT UK — Registration, Returns, and Schemes Explained 2026/27

Everything UK businesses need to know about VAT in 2026/27: when to register, how to submit returns, VAT schemes, and …

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Council Tax UK 2026/27 — Bands, Bills, Discounts and How to Reduce Yours

UK council tax explained for 2026/27: average bills by band (£1,447–£4,342), how discounts work, how to challenge your …

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Dividend Tax UK 2026/27 — Rates, Allowance, Director Pay and Reporting

UK dividend tax explained for 2026/27: the £500 allowance, 8.75%–39.35% rates, director salary vs dividend planning, and …

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Inheritance Tax UK 2026/27 — Thresholds, Gifting, Pensions and Legal Reduction

UK Inheritance Tax explained: the £325,000 nil-rate band, £175,000 RNRB, seven-year gifting rules, pensions change from …

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National Insurance UK 2026/27 — Rates, Classes, Credits and State Pension

UK National Insurance explained for 2026/27: employee and self-employed rates, the employer hike, NI credits, qualifying …

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Property and Landlord Tax UK 2026/27 — Rental Income, CGT, Relief and Filing

UK landlord tax guide for 2026/27: rental income tax rates, Section 24 mortgage interest rules, allowable expenses, CGT …

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