A second job or side income shouldn't mean a tax headache. We make sure your tax codes are right, your personal allowance is used properly, and your income is combined correctly so you never overpay or get an unexpected bill.
Second Job & Income
Having a second job or a second income changes how your tax works. Your tax-free personal allowance is usually applied to your main job, so a second job is often taxed in full, and if the codes are wrong you can end up overtaxed or facing a bill later. A second income might be another employment, or self-employed work such as freelancing, tutoring or a side business, and each is treated differently.
Your Tax Help Accountants makes sure your allowance is applied where it does the most good, checks your tax codes so you are neither over nor undertaxed, and combines your income correctly. Where your second income is self-employed, we register you, file your Self Assessment, and claim the expenses that reduce the tax on it. The result is the right amount of tax, no nasty surprises, and any refund you are owed reclaimed.
If your second job is taxed on a BR or emergency code while your main job has spare personal allowance, you may be overpaying every month. Getting the codes and the split right, or reclaiming through a return, often puts real money back in your pocket.
The Detail That Matters
A second job is not taxed at a special penalty rate, despite the myth, but your tax-free personal allowance is usually set against only your main job, so the second is often taxed in full from the first pound. Getting the tax codes right is what matters.
You have one £12,570 personal allowance across all your income. HMRC normally gives it all to your main job (code 1257L) and taxes the second job at basic rate (BR) or higher, so the second job can look heavily taxed even though your overall rate is correct.
Problems arise when both jobs apply an allowance (so you underpay and get a bill) or when your main job does not use the full allowance (so you overpay on the second). We can ask HMRC to split the allowance across the two jobs to match your actual earnings.
National Insurance is worked out separately for each employment, not combined, so you may pay less overall than someone earning the same in one job, an occasional quirk in your favour.
If your second income is self-employed rather than employed, it is taxed through Self Assessment on top of your job, with the £1,000 trading allowance possibly covering small amounts. We make sure it is reported correctly and no expenses are missed.
The real issue is almost never a punitive rate, it is mismatched tax codes, which either leave you overtaxed on the second job or facing an unexpected bill because the allowance was double-counted.
Key Figures
How We Help
We check that your personal allowance is applied to the right job and that your tax codes are correct, so a second job is not taxed more heavily than it should be.
If your second income is freelance or a side business, we register you, file your Self Assessment, and claim the expenses that reduce the tax you pay on it.
Two employments, or a job plus self-employment, brought together accurately so you pay the right total tax and reclaim anything you have overpaid.
All the forms, calculations and correspondence handled on your behalf, so you never have to decode HMRC's rules or sit on hold.
A clear fixed fee quoted after a free call, your position explained in plain English, and never a surprise bill.
We act quickly, and where earlier years are involved we put those right too, reclaiming refunds or minimising penalties.
People with a second income get caught two ways: overtaxed month to month through the wrong tax code, or hit with an unexpected bill because a side income was never declared. Both are avoidable. We get your codes right, declare your income correctly, and make sure the total is fair.
Recent Client Outcome
A client took a second part-time job and was alarmed to see it taxed at 20% from the first pound while their main job used all the allowance.
What we did. We reviewed both incomes and found their main job did not fully use the personal allowance. We asked HMRC to split the £12,570 allowance across the two jobs in line with their actual earnings.
The outcome. Part of the allowance moved to the second job, reducing the tax deducted there, and the overall position matched their true liability, with a small refund for the overpayment already made that year.
There was no special second-job tax at all, just a code that needed adjusting to reflect how their earnings were actually split.
Why People Come to Us
Questions Answered
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Or email info@yourtaxhelp.co.uk, we typically respond within two business hours.
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