What is adjusted net income, and why does it matter for your tax and childcare?

By Katharine, Founder, EMBR Tax

Last updated for the 2026/27 tax year · 6 April 2026

What is adjusted net income?

Adjusted net income is one of those HMRC terms that sounds technical but can have a real effect on tax, childcare support, and other thresholds. If you are close to a key limit, understanding this figure is one of the most useful things you can do.

In simple terms, adjusted net income starts with your total taxable income and then takes off certain reliefs. That means it is not always the same as salary, and it can be lower than many people expect.

What usually counts towards adjusted net income?

This is why headline pay can be misleading. Someone with a £95,000 salary could still end up over a key threshold once bonuses, dividends, rental income, or benefits are added in.

What can reduce adjusted net income?

That is why adjusted net income is often the real number to watch, especially if you are close to the £100,000 threshold for Personal Allowance tapering, Tax-Free Childcare, or Free Childcare for Working Parents.

Why does adjusted net income matter so much near key thresholds?

A small change in adjusted net income can affect more than just your tax bill. It can affect the support you qualify for, whether you lose part of your Personal Allowance, and whether some planning opportunities are still open to you.

What is the bottom line?

If you are anywhere near a key HMRC threshold, adjusted net income is one of the first figures worth checking. It is not just an HMRC definition. It can shape what you keep, what you lose, and what actions are worth considering.

Frequently asked questions

What is adjusted net income?+

Adjusted net income starts with your total taxable income and then takes off certain reliefs. That means it is not always the same as salary, and it can be lower than many people expect.

What types of income count towards adjusted net income?+

Employment income including salary and bonuses, taxable benefits and some benefits in kind, rental income and some investment income, and dividends and other taxable sources of income.

What can reduce adjusted net income?+

Certain pension contributions, Gift Aid donations using the grossed-up amount, and some employer arrangements, depending on how they are structured.

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