The right to take 25% of your pension tax-free is one of the best features of UK pension saving. But it’s not always the right move to take it — and taking it at the wrong time can cost you significantly in tax and lost growth.
This guide covers what the 25% rule actually is, when taking it makes sense, when it doesn’t, and the key decision points to work through.
What Is the 25% Tax-Free Cash?
When you start accessing your defined contribution (DC) pension, you’re entitled to take up to 25% of your pot tax-free. This is formally called the Pension Commencement Lump Sum (PCLS).
The current maximum PCLS is £268,275 (the Lump Sum Allowance set in 2024/25). If you have multiple pensions, the total tax-free cash across all of them cannot exceed this figure.
The remaining 75% is taxable income — added to your other income in whatever year you withdraw it, taxed at your marginal rate.
Important: Minimum Pension Age
You cannot access your pension (tax-free cash or otherwise) until age 57 from April 2028 (raised from 55). Anyone born from April 1971 onwards must wait until 57.
Key Decision Points
1. Do You Actually Need the Cash Now?
Tax-free cash left in a pension continues to grow tax-free. If you don’t need the money immediately:
- A 25% lump sum sitting in a savings account earns interest (currently ~5%) which is partially taxable
- The same money left in the pension earns investment growth (potentially 5–8%+) tax-free
- Each year you leave it, you’re preserving the tax-free shelter on that growth
For someone at age 57 with a £200,000 pension who doesn’t need the cash, leaving the 25% invested for 10 more years could mean the tax-free portion is much larger in absolute terms.
2. What Will You Do With It?
| Intended use | Does taking tax-free cash make sense? |
|---|---|
| Clear a mortgage | Often yes — guaranteed savings equal to mortgage rate |
| Pay for care costs | Yes — you need liquid assets for care |
| Fund large one-off expense | Often yes |
| Reinvest in ISA | Yes — converts pension tax efficiency into ISA tax efficiency (see below) |
| Leave it in a savings account “just in case” | Probably not — you lose the pension tax shelter |
| Invest in stocks outside a wrapper | No — you lose tax efficiency going forward |
3. The ISA Recycling Strategy
A popular approach for people approaching retirement:
- Take tax-free cash from the pension
- Invest it in a Stocks and Shares ISA (up to £20,000/year)
- Future growth in the ISA is entirely tax-free, including on withdrawal
This “ISA recycling” can make sense if:
- You expect to live 15+ years more (giving ISA growth time to compound)
- You want to reduce eventual inheritance tax — pension funds may become subject to IHT from 2027 under proposed changes
- You want more flexibility than pension drawdown rules provide
However, the pension tax shelter is generally superior to an ISA while you’re still working and still getting tax relief on contributions. The switch is most relevant at or near retirement.
4. Tax Implications of the 75% Remainder
The most important tax consideration isn’t the 25% tax-free cash itself — it’s what you do with the 75% that remains.
| Withdrawal pattern | Tax outcome |
|---|---|
| Take all 75% in one year | Could push you into 40% or 45% tax on most of it |
| Draw down gradually (£15–25k per year) | Basic rate (20%) or below on most income |
| Use drawdown to top up income to tax-free threshold | Could mean paying very little tax on withdrawals |
Worked example:
Pension pot: £300,000. State pension: £11,500/year. Age 67.
Option A — Full withdrawal: Taking the 25% (£75,000 tax-free) and all of the 75% (£225,000) in year one means £225,000 added to your income. After personal allowance (£12,570), the tax on £212,430 would be enormous — approximately £80,000+ in income tax.
Option B — Gradual drawdown: Take the 25% tax-free cash (£75,000) over 2–3 years, and draw down the 75% over 15–20 years at about £15,000/year. Combined with State Pension of £11,500, you’d have ~£26,500 income/year — most of it taxed at 20%, with some below the personal allowance.
Option B saves tens of thousands of pounds in tax.
5. Money Purchase Annual Allowance (MPAA)
This is a critical trap to avoid. Once you flexibly access your pension (i.e., start taking money beyond the tax-free cash stage), your annual contribution allowance drops from £60,000 to £10,000/year — the Money Purchase Annual Allowance (MPAA).
This doesn’t apply if you:
- Take tax-free cash only (PCLS) before drawing anything from the rest of the pot
- Buy an annuity with the remainder
- Enter capped drawdown (no new money going in)
But it does apply the moment you take any taxable income from a flexi-access drawdown pot — even a single pound.
Implication: If you’re still working and contributing significantly to your pension, be very cautious about triggering the MPAA. Taking a phased retirement income could devastate your remaining contribution capacity.
How Defined Benefit (Final Salary) Pensions Work Differently
If you have a defined benefit (DB / final salary) pension:
- The tax-free cash calculation is different — the scheme will quote you a commutation factor (e.g., £1 of annual pension sacrificed gives you £12–£20 lump sum cash)
- You need to compare the commutation factor against what you can earn on the lump sum
- Taking cash often means giving up guaranteed income for life — only worth doing if the commutation factor is high (20:1 or better) or you have specific needs for the lump sum
- Get proper financial advice before commuting a DB pension
When Taking the 25% Makes Clear Sense
- Paying off remaining mortgage or other significant debt before retirement
- Funding one-time large expenses (care costs, helping children with deposits, significant renovations)
- ISA recycling when you have 15+ years of remaining life and are leaving a large estate
- When pension fund is at perceived risk (insolvency of small employer scheme — though HMRC’s Pension Protection Fund covers most DB pensions)
When to Leave It (or Draw Gradually)
- When you’re still working and have significant contribution capacity remaining
- When you don’t need the cash and it can continue to grow tax-free
- When drawdown will be your primary retirement income and tax planning matters
- When you’re uncertain — the tax-free entitlement doesn’t expire; you can take it at 57, 67, or 77
Steps to Take Now
- Find and consolidate your pension pots — you may have several from different employers
- Request a pension projection from each provider showing current value and projected retirement income
- Understand whether each pension is DC (definite 25% rule) or DB (commutation factor rules apply)
- If approaching retirement, consider getting guidance from Pension Wise (free government service, book at MoneyHelper) before making any decisions
- For pots over £100,000, or complex situations, consider an independent financial adviser