On an £80,000 UK salary you take home £56,003 net (£4,667/month) under the 1257L tax code with no student loan. Full breakdown of income tax, NI and pension trade-offs for 2025/26.
Where should your £5,000 UK bonus go in 2025/26 — ISA, pension or split? Worked examples for basic, higher and additional-rate taxpayers showing the 30-year compounded difference between a £5,000 bonus into S&S ISA vs salary-sacrificed into pension.
Sacrificing a £25,000 bonus into your pension at £105k income saves £15,000+ in the 60% tax trap. Full worked examples, employer NI passback, and how to time bonus sacrifice for 2025/26.
How the UK Cycle to Work salary sacrifice scheme saves a basic-rate taxpayer £336 and a higher-rate taxpayer £504 on a £1,200 bike — full worked example for 2025/26 including the BIK end-of-hire charge.
Every 3 years UK employers must re-enrol staff who previously opted out of the workplace pension. The 2026 re-enrolment cycle explained: dates, who's caught, employer duties, and how the 8% minimum contribution rebuilds a pension pot worth tens of thousands by retirement.
UK pension carry forward lets you sweep up to three years of unused £60,000 annual allowance into one tax year — up to £200,000 total contributions. How it works, the rules and a worked example saving £24,000.
The tapered annual allowance starts at £260,000 threshold income and £260,000 adjusted income, cutting your £60,000 pension allowance by £1 for every £2 over the threshold — down to a £10,000 floor. Worked examples for 2025/26.
Salary sacrifice cuts your taxable pay and adds employer NI savings. Pension, EV lease and Cycle to Work each have different mechanics — at £60k a year, a £400/month EV lease costs as little as £232 net; a £6,000 pension sacrifice costs £3,480.
Your effective tax rate is what you actually pay on average; your marginal rate is what the next £1 costs. Both matter — but for different decisions. Worked examples at £30k, £55k, £105k and £130k.
Opting out of auto-enrolment looks like a £100/month pay rise — but the real 30-year cost is £180,000+ of lost pension wealth. Full worked examples for £30k, £45k and £60k earners.
Pension contributions, salary sacrifice, Marriage Allowance, ISAs and Gift Aid — the five most useful, fully legal ways to pay less UK income tax in the 2025/26 tax year, with worked examples.
Salary sacrifice lets you swap pre-tax salary for benefits like pension contributions, EVs and bikes — saving income tax and NI. How it works, how much you save, the traps and what's left after the 2025 tightening.
