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Can I retire at 45 in the UK?

Retiring at 45 is the hard mode of UK early retirement: your pension is locked for 12 years (access at 57), the State Pension is ~22 years away (67), and the pot may need to last 50 years. It's absolutely doable — but the deciding factor isn't your total wealth, it's how much sits outside your pension. You need roughly 25× your spending overall (≈ £1.08M for £40,000/year), of which something like 12+ years of spending must be in ISAs and taxable accounts to survive the bridge.

The 12-year bridge dominates everything

From 45 to 57 you can't touch a SIPP or workplace pension, so every pound of spending comes from ISAs, taxable accounts and cash. At £40,000/year that's roughly £480,000 of bridge spending before growth and tax — a market crash early in the bridge is the classic failure mode. This is why a 45-plan lives or dies on the split of your wealth, not the total: £1.5M with £1.2M locked in a pension fails; £1.5M with £700k accessible can work.

The long-horizon problem

A 50-year retirement also argues for a more cautious withdrawal rate than the classic 4% (many use 3.25–3.5% for very early retirement), and makes sequence-of-returns risk — a bad market decade at the start — the main threat. On the plus side, at 45 you'll likely have decades of growth after pension access, and the State Pension (~£12,548/year) still arrives at 67 to lighten the load.

Model your own numbers — ISA/SIPP split, the bridge to 57, Monte Carlo and more.

Open the free UK FIRE calculator →

Frequently asked questions

How much do I need to retire at 45 in the UK?

Roughly 25× spending as a floor — about £1.08M for £40,000/year — with a cautious withdrawal rate for the 50-year horizon, and crucially 12+ years of spending held in ISAs/taxable accounts to bridge to pension access at 57.

What is the biggest risk of retiring at 45?

Running out of accessible money before 57. Your pension is locked for 12 years, so a market crash early in the bridge can sink the plan even with a large total net worth.

Should I use a lower withdrawal rate at 45?

Usually yes — many very-early retirees plan around 3.25–3.5% rather than 4%, because the pot may need to last 50 years and sequence-of-returns risk compounds over that horizon.

Retire at 50 in the UKRetiring at 50 in the UK means bridging ~7 years to pension access at 57 from ISAs and taxable savings. Bridge to pension accessIf you retire before 57 in the UK your pension is locked — you must "bridge" the gap with ISAs and taxable savings. ISA vs pensionSaving for early retirement in the UK: pension gives tax relief but locks money until 57; ISA is tax-free and accessible any time.

InflectionFI is an educational planning tool, not financial or tax advice. Figures are estimates based on your inputs and stated assumptions. Verify your situation with a qualified adviser.