⚠️ Earning near £100,000? Read our 2026/27 Guide to the 60% Tax Trap & Childcare Cliff-Edge.

£100,000 After Tax UK (2026/27) — Take-Home Pay Calculator

A £100,000 gross annual salary in the UK (2026/27 tax year, standard 1257L tax code, 0% baseline pension) gives you £68,557.40 net per year (£5,713.12 per month / £1,318.41 per week) after deducting £27,432.00 HMRC Income Tax and £4,010.60 Class 1 National Insurance. From your next £1,000 pay rise or bonus, you keep £580 after 42% marginal deductions.

Cash Waterfall: Where Your £100,000 Gross Salary Goes 68.6% Take-Home

68.6% Take-Home

27.4% Tax

Net Take-Home: £68,557 (68.6%)

HMRC Income Tax: £27,432 (27.4%)

Class 1 NI: £4,011 (4.0%)

2026/27 UK Payroll Line Item (1257L)	Annual Figure	Monthly Payslip Figure
Gross Salary	£100,000	£8,333.33
Tax-Free Personal Allowance	£12,570	£1,047.50
HMRC PAYE Income Tax	£27,432.00	£2,286.00
Class 1 National Insurance (Cat A)	£4,010.60	£334.22
Net Take-Home Pay (0% Baseline Pension)	£68,557.40	£5,713.12
Net Take-Home Pay (With 5% Workplace Pension)	£65,657.40	£5,471.45

Your Next £1,000 Pay Rise or Bonus (Marginal Rate Test)

At £100,000, your combined HMRC marginal deduction rate is 42%. From your next £1,000 gross pay rise or bonus, you keep £580 net and pay £420 in Income Tax & Class 1 National Insurance.

2026/27 UK Student Loan Repayment Matrix on £100,000

Student Loan Plan	2026/27 Threshold & Rate	Annual / Monthly Deduction
Plan 1 (Pre-2012 / NI)	£26,065 @ 9%	£6,654/yr (£554.50/mo)
Plan 2 (2012–2023 England/Wales)	£28,470 @ 9%	£6,437/yr (£536.42/mo)
Plan 4 (Scotland SAAS)	£32,745 @ 9%	£6,052/yr (£504.33/mo)
Plan 5 (2023+ England)	£25,000 @ 9%	£6,750/yr (£562.50/mo)
Postgraduate Loan	£21,000 @ 6%	£4,740/yr (£395.00/mo)

2026/27 UK Public Sector Pay Spine Comparison (NHS & Teachers)

Working in the NHS or Education? Compare £100,000 against statutory 2026/27 public sector pay bands and mandatory Net Pay pension tiers: NHS Agenda for Change (AfC) Pay & Pension Calculator (Bands 2–9) and Teachers' Pay Spine & TPS Pension Calculator (M1–M6 & U1–U3).

Looking Ahead: 2027/28 UK Tax Year Changes (From 6 April 2027)

Under HM Treasury's legislated fiscal drag schedule, the £12,570 Personal Allowance and £50,270 Higher Rate threshold remain frozen through 2027/28. From 6 April 2027, non-ISA savings interest and unincorporated landlord property income tax rates rise by +2 percentage points across all bands to 22% (Basic), 42% (Higher), and 47% (Additional), alongside a £12,000 annual Cash ISA cap for savers under age 65.

Frequently Asked Questions (2026/27 & 2027/28 UK Rules)

How much is £100,000 after tax per month in the UK?

On a £100,000 annual salary in 2026/27 (before optional workplace pension contributions), your net monthly take-home pay is £5,713.12 (£68,557.40 per year) after deducting £27,432.00 in HMRC Income Tax and £4,010.60 in Class 1 National Insurance. If you contribute 5% into a workplace pension (£5,000/yr), your net monthly take-home pay is £5,471.45.

How much of an extra £1,000 pay rise do I keep on a £100,000 salary?

At £100,000, your combined marginal tax and Class 1 National Insurance rate is 42%. From your next £1,000 gross pay rise or bonus, HMRC deducts £420 and you keep £580 net.

Authoritative UK Calculators & 2027/28 Early Access

NHS Pay & Pension Calculator (AfC 2026/27) · Teachers' Pay & TPS Pension Calculator · 60% Tax Trap & £100k Childcare Guide · Compare Two UK Job Offers · 2027/28 Savings Tax & £12k ISA Cap · 2027/28 Landlord Property Tax · 'Your First Home' Equity Loan · £1,000 Side-Hustle Tax Checker · National Living Wage (2026 vs 2027) · UK Mortgage LTV Calculator · UK Compound Savings Calculator