The Taxation Reality Every Pension Saver Must Understand
The most common misconception about UK pension saving is that it is tax-free. In reality, pensions operate on an EET model: Exempt contributions (tax relief on the way in), Exempt investment returns (no tax on growth inside), and Taxed withdrawals (pension income treated as ordinary income on the way out). The planning opportunity lies in the fact that most retirees pay a lower marginal rate in retirement than during their working years — meaning tax relief received during accumulation was at a higher rate than tax paid on withdrawal. But this advantage only materialises with careful, coordinated planning.
Income Tax Thresholds for 2026/27
Personal Allowance: £12,570 — all income below this threshold is tax-free. Basic Rate: 20% on income between £12,571 and £50,270. Higher Rate: 40% on income between £50,271 and £125,140. Additional Rate: 45% on income above £125,140. Personal Allowance Taper: Above £100,000 adjusted net income, the Personal Allowance reduces at £1 per £2 above the threshold — creating an effective 60% marginal rate between £100,000 and £125,140. Pension withdrawals pushing income into this range without planning are extremely costly.
The State Pension and the Personal Allowance: A Critical Interaction
The full State Pension of £11,502 per year consumes approximately 91.5% of the £12,570 Personal Allowance. Only approximately £1,068 of allowance remains before additional pension income becomes taxable at 20%. For most retirees, the Personal Allowance is effectively consumed by the State Pension — making the structure and timing of private pension withdrawals critically important for minimising lifetime income tax.
The 25% Tax-Free Lump Sum: Three Strategic Approaches
Traditional crystallisation: Take the full 25% tax-free cash (up to £268,275 maximum) at once when crystallising the pension, with the remainder moved to drawdown. Maximises immediate tax-free receipt but creates a large taxable fund simultaneously.
UFPLS (Uncrystallised Funds Pension Lump Sum): Each withdrawal is 25% tax-free and 75% taxable. The tax-free element spreads over all withdrawals over time rather than being taken upfront. For many retirees drawing modest amounts, this delivers greater long-term tax efficiency.
Phased drawdown: Crystallise the pension in stages — accessing only a portion annually — taking the 25% tax-free element of each tranche while managing taxable income within the most efficient bands. The most flexible approach, allowing income adjustment year by year.
"The difference between drawing pension income randomly and drawing it strategically can amount to thousands of pounds per year in saved tax — every year for the rest of retirement. The one-time cost of specialist planning is recovered in months."
PAYE Code Management: The Hidden Source of Pension Tax Overpayment
When pension payments begin, HMRC issues a PAYE tax code to each pension provider. Errors are extremely common: emergency "Month 1" codes taxing each payment as though it is the only annual income; incorrect Personal Allowance allocation across multiple income sources; failure to account for State Pension in codes issued to private pension providers. In a recent Pauras client case, three simultaneous PAYE coding errors resulted in £3,800 per year of pension tax overpayment — identified and corrected within weeks, with a £7,600 refund secured for the two-year overpayment period. Annual PAYE code review is standard practice for all our ongoing pension clients.
A qualified pension adviser with expertise in UK State Pension, private pension planning, and expat pension arrangements. Providing regulated advice at Pauras since 2012.
