UK income tax thresholds & personal allowances - how do they work?

DQ24

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Dec 4, 2024
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Hi, I'm trying to learn about how the UK income tax and personal allowance tax thresholds work, whether you're an employee, self-employed, both an employee AND self-employed or whether you own a limited company.
You'll have to forgive my 'dumb questions' as we all have to start somewhere with our knowledge!

I live in Scotland and have looked up the personal allowance thresholds online.

Now my questions:

1) So these rates are for our income before tax?

2) Are the rates inclusive or exclusive of your tax free personal allowance? I see the personal allowance is
up to £12,570. Let's say I earn £20,000 a year from my employment, which in Scotland falls into the Basic Rate and is taxed at 20%. Is this taxed as 20% of the £20,000 OR is it taxed on £20,000 minus my personal allowance of £12,570, i.e £7,430?

So if the answer is, it's taxed as 20% of the £20,000, I'd be left with £16,000 after the 20% tax (£4000).

If the answer it's taxed on the amount minus the personal allowance, I'd be taxed on 20% of £7,430 (which is £1486), so I'd be left with £18,514 after tax.

Of course, NI and pension payments will have to be deducted to, but let's leave those for the moment.

3) If you're both employed AND self-employed (as a sole trader, not Ltd company), is the amount you're taxed on for each of these separate or combined? So I mean, let's say I make £22,000 a year from employment (before tax) and £22,000 net profit a year from self-employment (again before tax). Would I pay the basic rate of 20% for both of these £22,000 amounts separately at 20% each, or is it all combined into a grand total of £44,000 that I need to pay tax on? This would then put me in the Higher rate of tax at 42%.

What about if one has several different businesses from self-employment (again, all as a sole trader) - is the overall rate I'm taxed on the rate of all these businesses combined or is each one taxed separately?

4) Finally, if you own a limited company and pay yourself a salary as director (let's forget dividends for now). When you take the money out of the limited company and pay yourself a salary into your personal bank account, is this when the personal income tax rates kick in and they're exactly the same as for an employee or self-employed person (sole trader)? So your salary is classed as PAYE?

And final thing, is I see many owners of limited companies pay themselves the maximum personal tax allowance of £12,570 so they don't pay tax on it (and dividends for the rest). And again, if an owner of of a limited company chooses to pay themselves more than the £12,570 as a salary, what amount are they taxed on - the full salary they take out, or the salary minus the personal tax allowance? I see some limited companies subtract the £12,570 personal allowance as an expense so I am not sure.

Thanks.
 
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Tables Force

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Aug 23, 2023
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Now my questions:

1) So these rates are for our income before tax?

2) Are the rates inclusive or exclusive of your tax free personal allowance? I see the personal allowance is up to £12,570. Let's say I earn £20,000 a year from my employment, which in Scotland falls into the Basic Rate and is taxed at 20%. Is this taxed as 20% of the £20,000 OR is it taxed on £20,000 minus my personal allowance of £12,570, i.e £7,430?
You will pay tax on your salary (20,000) minus your personal allowance (12,570) - so, (20,000-12,570)=7,430.

So if the answer is, it's taxed as 20% of the £20,000, I'd be left with £16,000 after the 20% tax (£4000).

If the answer it's taxed on the amount minus the personal allowance, I'd be taxed on 20% of £7,430 (which is £1486), so I'd be left with £18,514 after tax.

Of course, NI and pension payments will have to be deducted to, but let's leave those for the moment.
Based on the Scottish tax rates, for 2024/25, you will pay about £1,463 in income tax.

Personal Allwoanceto 12,5700%(12,570*0)0
Starter rate12,571 - 14,87619%(14,876-12,571)=2,306*.19438.14
Basic rate14,877 - 20,00020%(20,000-14,877)=5,123*.21,024.60

3) If you're both employed AND self-employed (as a sole trader, not Ltd company), is the amount you're taxed on for each of these separate or combined? So I mean, let's say I make £22,000 a year from employment (before tax) and £22,000 net profit a year from self-employment (again before tax). Would I pay the basic rate of 20% for both of these £22,000 amounts separately at 20% each, or is it all combined into a grand total of £44,000 that I need to pay tax on? This would then put me in the Higher rate of tax at 42%.

What about if one has several different businesses from self-employment (again, all as a sole trader) - is the overall rate I'm taxed on the rate of all these businesses combined or is each one taxed separately?
Your total income from all sources (employment, self employment, property income etc.) will be combined to give you your tax liability.
 
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Newchodge

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    Every person has a tax free allowance which starts off at £12,575 per year. The tax code for that is 1257.

    Everuyone's tax code can increase and decrease depending on their personal circumstances. For excample the state pension is taxable, but is not taxed. So anyone with a state pension of 12575 per year will have a tax code of 0 and all of their non-state pension income is taxable at the rate approproiate to their income.

    Different forms of income are taxed differently. If you have savings income you have a tax free element of savings income. If you receive dividends you have a tax free element of dividend income.

    It is not easy to get your head around all of the different elements. That is why people pay accountants.
     
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    DontAsk

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    If the answer it's taxed on the amount minus the personal allowance, I'd be taxed on 20% of £7,430 (which is £1486), so I'd be left with £18,514 after tax.
    This
    3) If you're both employed AND self-employed (as a sole trader, not Ltd company), is the amount you're taxed on for each of these separate or combined?
    Combined

    What about if one has several different businesses from self-employment (again, all as a sole trader) - is the overall rate I'm taxed on the rate of all these businesses combined or is each one taxed separately?
    Combined

    4) Finally, if you own a limited company and pay yourself a salary as director (let's forget dividends for now). When you take the money out of the limited company and pay yourself a salary into your personal bank account, is this when the personal income tax rates kick in and they're exactly the same as for an employee or self-employed person (sole trader)? So your salary is classed as PAYE?
    Your salary IS PAYE. You must set up a PAYE scheme to pay yourself a salary.

    And final thing, is I see many owners of limited companies pay themselves the maximum personal tax allowance of £12,570 so they don't pay tax on it (and dividends for the rest).
    Some will pay different amounts to be "tax efficient", depending on NI thresholds and any other income they may have.

    And again, if an owner of of a limited company chooses to pay themselves more than the £12,570 as a salary, what amount are they taxed on - the full salary they take out, or the salary minus the personal tax allowance?
    No different to any other employee. They will be taxed on the total of their oncome (e.g. including savings) minus allowances.

    I see some limited companies subtract the £12,570 personal allowance as an expense so I am not sure.
    Need a citation for this to really understand what you mean.

    All salaries are expenses for the business. If the employee is being paid £12,750 to stay below the allowance then it is the fact that it is a salary that counts as an expense, not the level of pay.
     
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    DQ24

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    Need a citation for this to really understand what you mean.

    All salaries are expenses for the business. If the employee is being paid £12,750 to stay below the allowance then it is the fact that it is a salary that counts as an expense, not the level of pay.

    Thanks for clarifying. I don't have a citation, I was probably just getting this point confused.

    So all salaries including the owner's/director's salary in a limited company are classed as expenses to the limited company, even ones that are over the £12,570 personal allowance, and they're all taxed at the same rates as an employee once the owner gets the salary paid to them personally. Ok that, makes sense now.
     
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    DQ24

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    You will pay tax on your salary (20,000) minus your personal allowance (12,570) - so, (20,000-12,570)=7,430.


    Based on the Scottish tax rates, for 2024/25, you will pay about £1,463 in income tax.

    Personal Allwoanceto 12,5700%(12,570*0)0
    Starter rate12,571 - 14,87619%(14,876-12,571)=2,306*.19438.14
    Basic rate14,877 - 20,00020%(20,000-14,877)=5,123*.21,024.60


    Your total income from all sources (employment, self employment, property income etc.) will be combined to give you your tax liability.

    Thanks for the reply. I am not quite following you - you say that I will pay tax on my salary (£20,000) minus the personal allowance (£12,570), so, (£20,000 - 1£2,570) = £7,430. So 20% of £7430 is the amount of tax I'd pay, which comes to £1486. I'd fall into the Basic rate of tax.

    But in the table below that for the Basic rate, you've written that I'd have to subtract £14877 from my salary my (£20,000). Why are you you using the £14877 figure for subtracting instead of the personal allowance of £12,570?
     
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    DQ24

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    Another question.
    Because the income between £12,570 and £14,876 is taxed at 19%, From £14,877 income is taxed at 20%

    Yes, I can see that from £14,877 is taxed at 20% (Basic rate), but the previous replies said that you have to subtract £12570 from your salary in order to get the amount that tax is applied to. But below that, the poster said you have to subtract £14877 from your salary, not £12570. So which is it? There are two different answers there that contradict each other.
     
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    Scalloway

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    the poster said you have to subtract £14877 from your salary,
    The only place I see that is where they calculate the tax due.
    Based on the Scottish tax rates, for 2024/25, you will pay about £1,463 in income tax.

    Personal Allwoanceto 12,5700%(12,570*0)0
    Starter rate12,571 - 14,87619%(14,876-12,571)=2,306*.19438.14
    Basic rate14,877 - 20,00020%(20,000-14,877)=5,123*.21,024.60
    The difference is where you are taxed. In England, Wales and Northern Ireland 20% tax starts at £12,750. If you pay tax in Scotland your income from £12,571 to 14,876 is taxed at 19%.

    You said
    I live in Scotland
     
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    DQ24

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    The only place I see that is where they calculate the tax due.

    The difference is where you are taxed. In England, Wales and Northern Ireland 20% tax starts at £12,750. If you pay tax in Scotland your income from £12,571 to 14,876 is taxed at 19%.

    You said
    Ok, so whatever tax rate your salary falls into, you have to subtract the starting rate of that band from your salary, not just the £12570? Is that what you're saying?

    So for example, if I'm in the Basic rate band, which starts at £14877 in Scotland, I have to subtract £14877 from my salary to get the amount I'm taxed on? (That is what the poster Tables Force did in their example). Or if my salary was in the top rate, which is over £125140 in Scotland, I'd subtract £125140 from my salary to find out the amount I'm taxed? And so on.
     
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    Newchodge

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    Ok, so whatever tax rate your salary falls into, you have to subtract the starting rate of that band from your salary, not just the £12570? Is that what you're saying?

    So for example, if I'm in the Basic rate band, which starts at £14877 in Scotland, I have to subtract £14877 from my salary to get the amount I'm taxed on? (That is what the poster Tables Force did in their example). Or if my salary was in the top rate, which is over £125140 in Scotland, I'd subtract £125140 from my salary to find out the amount I'm taxed? And so on.
    Trey reading this as a start

    It really is far too complex to explain here when you keep asking queasions which are completely off kilter.
     
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    Scalloway

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    Ok, so whatever tax rate your salary falls into, you have to subtract the starting rate of that band from your salary, not just the £12570? Is that what you're saying?
    Your salary over £12,570 is divided into segments, each with its own rate of tax, so to calculate the tax payble you have to do a series of sums as shown below..
    Based on the Scottish tax rates, for 2024/25, you will pay about £1,463 in income tax.

    Personal Allwoanceto 12,5700%(12,570*0)0
    Starter rate12,571 - 14,87619%(14,876-12,571)=2,306*.19438.14
    Basic rate14,877 - 20,00020%(20,000-14,877)=5,123*.21,024.60
     
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    DQ24

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    Your salary over £12,570 is divided into segments, each with its own rate of tax, so to calculate the tax payble you have to do a series of sums as shown below..

    Oh right, I did not realise this. So every time your income goes up the the next income band, you have to pay tax on all the previous (lower) bands and then add them all up to get to the total amount of tax paid?
     
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    DQ24

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    Ok, makes sense now. So if I was earning £200,000 a year In Scotland, I'd be taxed as follows?......

    Personal allowance: £0
    Starter rate: (£14,876 - £12,571 = £2305) x 0.19, so £437.95
    Basic rate: (£26,561 - £14877 = £11684) x 0.20, so £2336.80
    Intermediate rate: (£43,662 - £26,562 = £17,100) x 0.21, so £3591
    Higher rate: (£75,000 - £43,663 = £31,337) x 0.42, so £13,161.34
    Advanced rate: (£125,140 - £75,001 = £50,139) x 0.45, so £22,562.55
    Top rate: (£200k - £125,141 = £74,859) x 0.48, so £36,407.52

    So the total income tax I'd pay would be £437.95 + £2336.80 + £3591 + £13,161.34 + £22,562.55 + £36,407.52

    = £78,491.16


    Have I calculated this correctly?
     
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    DQ24

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    Oh yes, you're correct - I checked online and yes, there's no Personal Allowance if you earn over £125,140. Your Personal Allowance goes down by £1 for every £2 that your adjusted net income is above £100,000.,, so your allowance is zero if your income is £125,140 or above.

    How would I recalculate the £200k example with no Personal Allowance?
     
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