Salary Sacrifice on £100,000
Salary sacrifice on a £100,000 salary: sacrificing £5,000/year into your pension saves £2,100 in tax and NI. Your take-home pay reduces by £2,900, meaning every £1 of pension costs you just £0.58 in lost take-home.
If you earn £100,000 and sacrifice £5,000/year (5% of salary) into your pension, you save £2,100 in income tax and National Insurance. Your take-home pay drops by just £2,900 — meaning every £1 going into your pension only costs you £0.58 in lost take-home. That's an effective 42% boost to your pension contributions.
How the savings break down
- Income tax saving: £2,000
- Employee NI saving: £100
- Employer NI saving: £750 (your employer keeps this, but many pass some to you)
Impact on mortgage borrowing
Salary sacrifice reduces your contractual salary from £100,000 to £95,000. At a typical 4.5x lending multiple, your maximum mortgage drops from £450,000 to £427,500 — a reduction of £22,500. If you're applying for a mortgage soon, consider timing your sacrifice arrangement carefully.
Related calculators
- Full £100,000 salary breakdown — detailed tax bands and deductions
- Pension tax relief calculator — see how much relief you get on contributions
- Mortgage affordability — check how sacrifice affects your borrowing power
- Salary sacrifice calculator — try different amounts and benefits
Salary sacrifice savings on £100,000
| Monthly sacrifice | Annual sacrifice | Your saving | Employer NI saving | Take-home reduction/month | Cost per £1 |
|---|---|---|---|---|---|
| £100/month | £1,200 | £504 | £180 | £58 | £0.58 |
| £200/month | £2,400 | £1,008 | £360 | £116 | £0.58 |
| £500/month | £6,000 | £2,520 | £900 | £290 | £0.58 |
Your gross employment salary before any sacrifice
Amount of salary to sacrifice per year (e.g. £500/month = £6,000/year)