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How much does a Python Developer take home in the UK?
A Python Developer earning the median salary of £100K in the UK takes home approximately £68,557 per year (£5,713 per month) after Income Tax and National Insurance, using 2026/27 HMRC rates.
2026/27 UK Tax Rates · Income Tax + NI
Python Developer Take-Home Pay in UK 2026/27
A Python Developer earning the median salary of £100K in the UK takes home approximately £68,557/year (£5,713/month) after Income Tax and National Insurance, using 2026/27 rates.
Python Developer take-home pay across the salary range
Standard Personal Allowance, England/Wales PAYE employee. 2026/27 rates.
Entry (P25)
£100,000
gross/year
Take-home
£68,557
£5,713/month
Total tax
£31,443
31.4% effective rate
Breakdown
Tax: £27,432
NI: £4,011
Median
£100,000
gross/year
Take-home
£68,557
£5,713/month
Total tax
£31,443
31.4% effective rate
Breakdown
Tax: £27,432
NI: £4,011
Senior (P75)
£100,000
gross/year
Take-home
£68,557
£5,713/month
Total tax
£31,443
31.4% effective rate
Breakdown
Tax: £27,432
NI: £4,011
Adjust for your actual salary
The table above uses the Python Developer 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
£68,557
Per month
£5,713
Per week
£1,318
Effective tax rate
31.4%
How your £100,000 is split
Take-home
£68,557
68.6%
Income Tax
£27,432
27.4%
Nat. Insurance
£4,011
4.0%
| Gross salary | £100,000 |
| Personal Allowance (tax-free) | £12,570 |
| Income Tax | -£27,432 |
| National Insurance (Class 1) | -£4,011 |
| Total deductions | -£31,443 |
| Net take-home (annual) | £68,557 |
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
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What is the effective tax rate for a Python Developer in the UK?
On a median Python Developer salary of £100K, the effective tax rate (Income Tax and NI combined) is 31.4%, leaving £68,557 as take-home pay. This assumes standard Personal Allowance and England/Wales Income Tax rates.
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How much Income Tax does a Python Developer pay in the UK?
On a £100K salary, a Python Developer pays approximately £27,432 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.
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How much National Insurance does a Python Developer pay in the UK?
On a £100K salary, employee Class 1 National Insurance amounts to approximately £4,011 per year. The 2026/27 rates are 8% on earnings between £12,570 and £50,270, and 2% above.
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Does the Personal Allowance affect a Python Developer'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 £100K, this tapering reduces the Personal Allowance.
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What does a senior Python Developer take home in the UK?
A senior Python Developer earning £100K (P75 of the salary range) takes home approximately £68,557 per year (£5,713 per month) after Income Tax and National Insurance, with an effective tax rate of 31.4%.
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What does a junior Python Developer take home in the UK?
A junior Python Developer earning £100K (P25 of the salary range) takes home approximately £68,557 per year (£5,713 per month) after Income Tax and National Insurance, with an effective tax rate of 31.4%.
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