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What is UK Pension Drawdown Calculator?

A UK Pension Drawdown Calculator computes uk pension drawdown from the inputs you provide. It applies the standard formula to the values you enter and returns the result instantly, without sending any data to a server. 25% tax-free up to £268,275 LSA cap.

UK Pension Drawdown Calculator

Compare flexi-access drawdown to an annuity. Calculates 25% tax-free lump sum (LSA cap £268,275), how long the pot will last at your withdrawal rate, and the equivalent annuity income.

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TL;DR

You can take 25% of your pension tax-free, capped at £268,275 (LSA, 2024-25). The rest goes into flexi-access drawdown (taxed at marginal rate as you withdraw) or buys an annuity (~6% at age 65 in 2024). A 4% drawdown rate gives the best chance of a 30+ year pot.

Inputs

Total DC pot at retirement.
Min access age 55 (rising to 57 in 2028).
Capped at £268,275 (LSA).
4% rule is a common starting point.
After fees, real or nominal.
Marginal rate on taxable income.

How to use it

  1. Enter your total pension pot at retirement and your current age (minimum 55, rising to 57 in 2028).
  2. Choose whether to take the 25% tax-free lump sum upfront or leave it invested.
  3. Set your annual withdrawal rate. The 4% rule (Trinity / Bengen) is a widely used starting point for 30+ year retirements.
  4. Set an expected return on the remaining pot. After-fees real returns of 3% to 5% are reasonable for balanced portfolios.
  5. Set your tax band on withdrawn income. Drawdown income stacks on top of State Pension and any other taxable income.

About this calculator

Tax-free PCLS = min(0.25 * pot, £268,275) | Pot lasts (years) = solve for n such that bal_n = bal_0 * (1+r)^n - W * ((1+r)^n - 1) / r = 0 | Annuity income/yr ~= remaining_pot * annuity_rate(age)

Since 2015 pension freedoms, anyone over 55 with a defined contribution pension can do anything with it: take it all as cash, draw it flexibly, buy an annuity, or any combination. The minimum access age rises to 57 from 6 April 2028.

The 25% tax-free portion is called the Pension Commencement Lump Sum (PCLS) and is capped by the Lump Sum Allowance (LSA) at £268,275 for 2024-25. Pots over £1,073,100 effectively have their tax-free entitlement capped.

Flexi-access drawdown leaves the pot invested. You take income as needed; the rest stays exposed to markets. Pros: flexibility, can leave inheritance. Cons: longevity risk + sequence of returns risk - bad early markets can destroy a pot.

Annuity buys guaranteed income for life. Rates depend heavily on age + interest rates. 2024 saw the best annuity rates in 15 years (~6% at age 65 single life level). Joint-life, escalating, or impaired-health annuities pay differently.

Real-world use cases

Phased retirement

Crystallise a slice of pension each year - take 25% tax-free + drawdown to fill up your personal allowance + dividend allowance.

Annuity floor + drawdown growth

Buy an annuity to cover essential bills, drawdown the rest for upside + flexibility. Hybrid is increasingly popular.

Inheritance planning

Pensions sit outside your estate for IHT (until April 2027). Drawdown leaves a residual pot for heirs; annuities die with you.

Big purchase (mortgage / house)

Tax-free 25% lump sum can clear a mortgage. £200k pot = £50k tax-free. Compare to leaving it invested.

What it handles

  • 25% tax-free PCLS with £268,275 LSA cap
  • Drawdown longevity at custom return + withdrawal rate
  • Level + RPI annuity comparison (typical 2024 rates)
  • Tax on withdrawn income at marginal rate

What it does NOT handle

  • Sequence-of-returns risk modelling (Monte Carlo)
  • Joint-life or impaired-life annuity rates
  • State Pension income (use our state pension forecast)
  • Care fee or means-test interactions

Common mistakes

  • Forgetting the LSA cap at £268,275 - very large pots get less than 25% tax-free.
  • Not accounting for income tax on the 75% portion - it stacks on State Pension.
  • Taking the full 25% TFC upfront when it could be staged tax-efficiently.
  • Comparing today’s annuity rates to expectations from years ago - rates rose sharply since 2022.

Frequently asked questions

How much of my pension can I take tax-free?

Up to 25% of your pot, capped at £268,275 (the Lump Sum Allowance, 2024-25). Pots above £1,073,100 hit this cap. The tax-free portion is technically the Pension Commencement Lump Sum (PCLS) when crystallising into drawdown.

What is flexi-access drawdown?

Flexi-access drawdown leaves your pension invested and lets you withdraw income flexibly. You typically take 25% tax-free upfront; the remaining 75% is taxed at your marginal income tax rate as you withdraw. Once you take any taxable income, your MPAA drops to £10,000.

Is the 4% withdrawal rate safe?

The 4% "rule" comes from US 1990s research (Bengen / Trinity) suggesting a 4% initial withdrawal rate, inflation-adjusted, has historically lasted 30 years. Recent UK + global research has been more cautious - some suggest 3.5% or even 3.0% for new retirees.

What is a typical annuity rate at age 65?

In 2024, single-life level annuities for healthy 65-year-olds pay roughly 6% per £100,000 (so £6,000 a year for life). Inflation-linked annuities start lower (~3.5% to 4%). Joint-life, smoking, or impaired-health annuities pay differently.

Drawdown vs annuity - which is better?

Drawdown wins on flexibility and inheritance - you keep control and any unused pot passes to heirs. Annuity wins on certainty and longevity protection - the income is guaranteed for life regardless of markets or how long you live. Many retirees use both.

When can I access my pension?

The Normal Minimum Pension Age (NMPA) is 55 (2024-25), rising to 57 from 6 April 2028. You can access earlier only in exceptional circumstances such as serious ill-health (under 55, taxed as cash) or a protected pension age from a pre-2006 scheme.

How is drawdown income taxed?

The 25% PCLS is tax-free. The remaining 75% is taxed at your marginal income tax rate (20% / 40% / 45% in England + Wales, 5 bands in Scotland) as you withdraw. Your first year of drawdown can be over-taxed via emergency PAYE - reclaim with HMRC form P55.

Does drawdown trigger MPAA?

Taking taxable income from drawdown triggers the Money Purchase Annual Allowance, capping future DC contributions at £10,000 a year. Taking ONLY the 25% tax-free portion does not trigger MPAA. Annuities do not trigger MPAA either.