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Tax year 2026/27  ·  Bank of England base rate 3.75%

Guides

Plain-English explainers on UK pay, tax and money decisions — each one backed by the same rates and methods as our calculators, and updated for the 2026/27 tax year.

Updated 2 June 2026 · 7 min read

Should You Overpay Your Student Loan? (UK, 2026/27)

For most UK graduates, overpaying a student loan is wasted money — it gets written off before you'd ever clear it. Here's when overpaying helps, when it doesn't, and how to check your own numbers.

Updated 2 June 2026 · 6 min read

The £100,000 Tax Trap: How the 60% Rate Works (and How to Escape It)

Earn between £100,000 and £125,140 and you pay an effective 60% tax on every extra pound as your personal allowance is withdrawn. Here's how the trap works, why it can be even worse for parents, and how a pension contribution gets you out of it.

Updated 2 June 2026 · 6 min read

The Child Benefit Charge for Couples: Why Two £55k Earners Beat One on £110k

The High Income Child Benefit Charge is based on the higher earner's income, not your household total — so how your income is split matters enormously. Here's how it works and how a pension contribution can avoid it.

Updated 2 June 2026 · 6 min read

Salary Sacrifice Explained: How It Works and How Much It Saves

Salary sacrifice swaps part of your gross pay for pension contributions taken before tax and National Insurance — so a pound in your pension costs you far less than a pound. Here's how it works and what to watch.

Updated 2 June 2026 · 6 min read

Should You Pay Off Debt or Invest? A UK Guide

With spare money each month, is it better to clear debt or invest it? The answer comes down to comparing a guaranteed return against an uncertain one. Here's a simple framework for deciding.

Updated 2 June 2026 · 6 min read

How Is a Second Job Taxed? Two Jobs and Your Tax Code Explained

A second job is not taxed at a special higher rate — but your tax code can make it look that way. Here's how tax and National Insurance really work across two jobs, including the NI quirk that can work in your favour.

Updated 2 June 2026 · 11 min read

How a Pay Rise Is Really Taxed: The UK Marginal-Rate Map (2026/27)

Your headline tax band is not the whole story. Across UK income there are hidden spikes where each extra pound is taxed at 60%, 70% or more once allowances, the Child Benefit charge and student loans stack up. Here is the full marginal-rate map.

Updated 2 June 2026 · 10 min read

The Maths of Compound Growth: How Your Money Really Grows Over Time

Compound growth is the engine behind every investment and pension. This guide works through the actual formulas — lump sums, regular contributions, inflation and fees — so you can see exactly where the money comes from.