£18,000 after tax in England, Wales & NI, 2026/27
- Income tax£1,0866.0%
- National Insurance£4342.4%
- Take-home pay£16,48091.6%
£18,000 a year comes out at £16,480 after income tax and National Insurance — £1,373 a month, or £317 a week. Add the statutory 5% workplace pension and it becomes £16,009 a year, because the pension is taken before income tax.
Where the £18,000 goes
| Line | No pension | 5% pension | Monthly, 5% pension |
|---|---|---|---|
| Gross salary | £18,000 | £18,000 | £1,500 |
| Workplace pension | — | −£588 | −£49 |
| Income tax | −£1,086 | −£968 | −£81 |
| National Insurance | −£434 | −£434 | −£36 |
| Take-home | £16,480 | £16,009 | £1,334 |
Salary sacrifice, and why the National Insurance line moves
The 5% pension figures above assume the money is deducted from pay — the net pay or relief at source arrangement. Income tax falls, but National Insurance is still charged on the full £18,000. A salary sacrifice works differently: what you give up is pay itself, so both bases fall. Same 5%, two different answers:
| Arrangement | Pension | Income tax | National Insurance | Take-home |
|---|---|---|---|---|
| Deducted from pay (net pay / relief at source) | −£588 | −£968 | −£434 | £16,009 |
| Salary sacrifice | −£588 | −£968 | −£387 | £16,056 |
The gap is £47 a year at this salary — the employee National Insurance that is no longer charged on the sacrificed amount, plus the small effect on the personal allowance where it tapers. Two limits are not modelled here: sacrifice cannot take pay below the National Minimum Wage, and some schemes calculate pensionable pay on the post-sacrifice figure, which changes what the employer contributes. Ask payroll which arrangement you are actually on before using either column.
Which thresholds £18,000 sits between
UK deductions are not one smooth percentage — they switch at fixed points. This is where £18,000 falls, which explains the marginal rates you will see on a payslip at this level.
| Threshold | Level | Status at £18,000 | What it means here |
|---|---|---|---|
| Personal allowance and NI start | £12,570 | Above | Below this, no income tax and no NI |
| NI drops to 2% | £50,270 | Below | Not reached |
| Personal allowance starts shrinking | £100,000 | Below | Not reached |
| Personal allowance gone | £125,140 | Below | Not reached |
Change the number
Before tax and pension. Use the yearly figure, not monthly.
The legal minimum is 5%. Your employer adds at least 3% on top.
Repayments come out of pay through PAYE, before you see the money.
| Line | Per year | Per month |
|---|---|---|
| Gross salary | £18,000 | £1,500 |
| Workplace pension (employee) | −£588 | −£49 |
| Income Tax (PAYE) | −£968 | −£81 |
| National Insurance | −£434 | −£36 |
| Take-home pay | £16,009 | £1,334 |
Your employer also pays £353 a year into your pension on top of this — that money is not part of your take-home pay.
England, Wales & NI against Scotland at £18,000
Identical salary, both tax systems, no pension: England, Wales & NI leaves £16,480 and Scotland leaves £16,519. The difference of £40 comes entirely from income tax bands — National Insurance is the same in both.
Student loan at this salary
£18,000 is below every student loan repayment threshold for 2026/27, so a graduate on this salary would not repay anything through PAYE this year. The lowest threshold is £21,000 (Plan 5), and Plan 4 for Scottish borrowers sits at £33,795.
Nearby salaries in England, Wales & NI
Is £18,000 a good salary in England, Wales & NI?
That depends on household size, housing costs and pension, which this page cannot know. What it can say: at £18,000 you keep £1,373 a month before pension, and 8.4% of gross goes to income tax and National Insurance.
How much is that per week?
£317 a week after tax and NI, or £308 with the 5% pension included. UK payroll usually quotes monthly or weekly, never annual, so this is the figure to compare with rent.
What if I pay more into my pension?
Each extra 1% under a net pay arrangement cuts income tax at your marginal rate but leaves National Insurance untouched. At £18,000 your marginal income tax rate is 231%, so an extra £1,000 into the pension saves roughly £2,311 in tax and costs -£1,311 in take-home. Under salary sacrifice the National Insurance line falls as well — see the two-arrangement table below.
Does salary sacrifice save more than a normal pension deduction at £18,000?
Yes — by about £47 a year at this salary, all of it National Insurance. A pension deducted from pay reduces income tax only, because NI is still charged on the full gross; a salary sacrifice gives up pay itself, so the NI base falls too. Both arrangements are priced at the same 5% in the table further down this page.