1
How much does a Security Engineer take home in the UK?
A Security Engineer earning the median salary of £115K in the UK takes home approximately £74,257 per year (£6,188 per month) after Income Tax and National Insurance, using 2026/27 HMRC rates.
2026/27 UK Tax Rates · Income Tax + NI
Security Engineer Take-Home Pay in UK 2026/27
A Security Engineer earning the median salary of £115K in the UK takes home approximately £74,257/year (£6,188/month) after Income Tax and National Insurance, using 2026/27 rates.
Security Engineer take-home pay across the salary range
Standard Personal Allowance, England/Wales PAYE employee. 2026/27 rates.
Entry (P25)
£95,000
gross/year
Take-home
£65,657
£5,471/month
Total tax
£29,343
30.9% effective rate
Breakdown
Tax: £25,432
NI: £3,911
Median
£115,000
gross/year
Take-home
£74,257
£6,188/month
Total tax
£40,743
35.4% effective rate
Breakdown
Tax: £36,432
NI: £4,311
Senior (P75)
£123,000
gross/year
Take-home
£76,829
£6,402/month
Total tax
£46,171
37.5% effective rate
Breakdown
Tax: £41,700
NI: £4,471
Adjust for your actual salary
The table above uses the Security Engineer median. Enter your own gross salary below for a precise figure.
£
2026/27 tax year
Personal Allowance: £12,570. Basic rate (20%) up to £50,270. Higher rate (40%) up to £125,140. Additional rate (45%) above.
£
Common salaries:
Annual take-home pay
£74,257
Per month
£6,188
Per week
£1,428
Effective tax rate
35.4%
Personal Allowance
£5,070
How your £115,000 is split
Take-home
£74,257
64.6%
Income Tax
£36,432
31.7%
Nat. Insurance
£4,311
3.7%
| Gross salary | £115,000 |
| Personal Allowance (tax-free) | £5,070 |
| Income Tax | -£36,432 |
| National Insurance (Class 1) | -£4,311 |
| Total deductions | -£40,743 |
| Net take-home (annual) | £74,257 |
Calculations use 2026/27 UK tax rates. Assumes England/Wales/Northern Ireland Income Tax rates (Scottish rates differ). Includes standard Personal Allowance tapering above £100,000, and applies any pension salary sacrifice entered above before calculating tax. Does not account for Gift Aid, student loan repayments, Marriage Allowance, or other reliefs. For precise advice consult a tax professional or HMRC.
Frequently asked questions
2
What is the effective tax rate for a Security Engineer in the UK?
On a median Security Engineer salary of £115K, the effective tax rate (Income Tax and NI combined) is 35.4%, leaving £74,257 as take-home pay. This assumes standard Personal Allowance and England/Wales Income Tax rates.
3
How much Income Tax does a Security Engineer pay in the UK?
On a £115K salary, a Security Engineer pays approximately £36,432 in Income Tax per year. This uses the 2026/27 Personal Allowance of £12,570, a basic rate of 20% up to £50,270, and 40% above.
4
How much National Insurance does a Security Engineer pay in the UK?
On a £115K salary, employee Class 1 National Insurance amounts to approximately £4,311 per year. The 2026/27 rates are 8% on earnings between £12,570 and £50,270, and 2% above.
5
Does the Personal Allowance affect a Security Engineer's tax in the UK?
The standard Personal Allowance for 2026/27 is £12,570, which is tax-free. For salaries above £100,000, the allowance tapers by £1 for every £2 earned, disappearing entirely at £125,140. At £115K, this tapering reduces the Personal Allowance.
6
What does a senior Security Engineer take home in the UK?
A senior Security Engineer earning £123K (P75 of the salary range) takes home approximately £76,829 per year (£6,402 per month) after Income Tax and National Insurance, with an effective tax rate of 37.5%.
7
What does a junior Security Engineer take home in the UK?
A junior Security Engineer earning £95K (P25 of the salary range) takes home approximately £65,657 per year (£5,471 per month) after Income Tax and National Insurance, with an effective tax rate of 30.9%.
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