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🇬🇧 UK Self Assessment

Tax Estimator

Get an instant estimate of your income tax, National Insurance, and payment on account obligations.

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Employment & Self-Employment Income

Enter gross figures before tax for the full tax year

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Investment & Property Income

Dividends, savings interest, capital gains, and rental profits

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🎓

Student Loan

Repayments are collected via Self Assessment on income above your plan threshold

I have a student loan Select your plan below if applicable
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Pension & Gift Aid

Both attract tax relief and can extend your basic rate band

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Benefits & Allowances

Company benefits and marriage allowance adjustments

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Payment on Account

HMRC requires advance payments if your Self Assessment liability exceeds £1,000

This is my first Self Assessment tax return First-time filers pay an additional 50% on account — added to the January bill
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National Insurance

Class 4 NI applies to self-employment profits; Class 1 may already be deducted via payroll

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