Tax guides

Clear, practical guides to UK tax, pay and personal finance — each one links to the calculators that do the maths for you.

Pension Tax-Free Lump Sum: How the 25% Rule Works (2026/27)
Pensions

Pension Tax-Free Lump Sum: How the 25% Rule Works (2026/27)

You can normally take 25% of your pension as a tax-free lump sum, capped at £268,275. Here is exactly how the rule works in 2026/27, with a worked example, the tax on the rest, and the mistakes that cost people money.

Laura Michelle Davis · 14 May 2026
Pension Salary Sacrifice: How It Works and How Much You Save
Pensions

Pension Salary Sacrifice: How It Works and How Much You Save

Pension salary sacrifice swaps part of your gross pay for an employer pension contribution, cutting both income tax and National Insurance. Here is exactly how it works, a worked example, and the traps to avoid.

Laura Michelle Davis · 13 May 2026
Pension Drawdown Explained: Income, Tax and Risks (2026/27)
Pensions

Pension Drawdown Explained: Income, Tax and Risks (2026/27)

A plain-English guide to pension drawdown: how flexi-access drawdown works, the 25% tax-free element, how withdrawals are taxed at your marginal rate, the MPAA trap, and how drawdown compares with an annuity.

Laura Michelle Davis · 12 May 2026
No-Deposit and 100% Mortgages: Are They Real in 2026?
Mortgages

No-Deposit and 100% Mortgages: Are They Real in 2026?

No deposit mortgages and 100% mortgages do exist in the UK, but they work very differently from how most people imagine. Here is an honest look at how they work, who they suit and the real risks.

Laura Michelle Davis · 11 May 2026
Mortgage in Principle: What It Is and How to Get One (2026)
Mortgages

Mortgage in Principle: What It Is and How to Get One (2026)

A mortgage in principle is a lender's early estimate of how much it might lend you. Learn what an AIP is, how to get one, how long it lasts and whether it affects your credit score.

Laura Michelle Davis · 8 May 2026
How to Start Investing in the UK: A Beginner's Guide (2026)
Investing

How to Start Investing in the UK: A Beginner's Guide (2026)

A plain-English, step-by-step guide to how to start investing in the UK for complete beginners: emergency funds, Stocks and Shares ISAs and pensions, index funds, fees, risk and a worked compounding example.

Laura Michelle Davis · 7 May 2026
How to Invest in Property in the UK: A Beginner's Guide
Investing

How to Invest in Property in the UK: A Beginner's Guide

A plain-English guide to investing in property in the UK. Learn how buy-to-let works, deposits, rental yield, the stamp duty surcharge, Section 24, capital gains tax and company ownership.

Laura Michelle Davis · 6 May 2026
How Pensions Work in the UK: A Complete Beginner's Guide
Pensions

How Pensions Work in the UK: A Complete Beginner's Guide

A plain-English guide to how pensions work in the UK: the State Pension, workplace and personal pensions, how tax relief and employer contributions boost your savings, and the common mistakes that cost beginners money.

Laura Michelle Davis · 6 May 2026
Credit Cards for Building Credit and Bad Credit (UK)
Credit Cards

Credit Cards for Building Credit and Bad Credit (UK)

Credit cards for building credit help people with a poor or thin credit file prove they can borrow responsibly. Here is how a credit builder card works, how to use one to lift your score, and the mistakes to avoid.

Laura Michelle Davis · 5 May 2026

All guides

Browse every guide by topic.

Tax, explained without the jargon

UK tax has a reputation for being complicated, and the official guidance isn't always easy to follow. Our guides aim to fix that. Each one takes a single topic — how income tax bands work, what you can claim as a self-employed person, how stamp duty is calculated — and explains it in plain English, with worked examples and links to the calculators that do the maths for you.

The guides are written and reviewed by the TaxFly editorial team and updated when the rules change, so you're reading about the system as it works now, not several years ago. Wherever a guide mentions a figure you can apply to your own situation, you'll find a matching tool: pair our take-home pay guidance with the Take-Home Pay Calculator, or read up on dividends and then try the Dividend Tax Calculator.

Where to start

If you're employed, begin with the basics of income tax and National Insurance. If you work for yourself, the self-employment and Self Assessment guides will save you the most time. Buying or selling property? Start with stamp duty and capital gains. And if you just want the numbers, head straight to our full library of free UK calculators. Everything here is free to read, with no account required.

TaxFly guides are general information, not personal financial or tax advice. For decisions about your own circumstances, speak to a qualified accountant or adviser.

Official & accurate

Every figure follows HMRC 2026/27 rates and links to its gov.uk source.

Private & secure

Calculations run in your browser. Your figures are never stored or shared.

Free for everyone

No account, no paywall, no limits. All our tools are completely free.

This week in UK tax, every Friday

Rate changes, deadlines and HMRC rule updates that affect your money, in one short email.

One email every Friday. Unsubscribe any time.