Pension Forecast Calculator
Find your shortfall or surplus, calculate required contributions and check if you are on track for retirement
Last updated: March 2026
Pension Forecast Calculator 2026
Enter your pension details to see your projected retirement income and whether you need to save more
Shortfall / Surplus Analysis
Retirement Timeline
PLSA Retirement Living Standards 2026
The Pensions and Lifetime Savings Association (PLSA) publishes annual Retirement Living Standards to give savers a concrete income target to aim for:
| Standard | Single (per year) | Couple (per year) | Monthly (single) |
|---|---|---|---|
| Minimum | £14,400 | £22,400 | £1,200 |
| Moderate | £31,300 | £43,100 | £2,608 |
| Comfortable | £43,100 | £59,000 | £3,592 |
Figures from PLSA Retirement Living Standards 2025/26. Includes all taxes and living costs. State pension contributes approximately £11,502 p.a. for a single person with a full record.
State Pension Integration
The new state pension for 2026/27 is £11,502.40 per year (£221.20 per week). You receive the full amount if you have 35 qualifying years of National Insurance contributions. You need at least 10 qualifying years to receive any state pension.
- Check your state pension forecast at gov.uk/check-state-pension
- You can make voluntary NI contributions (Class 3) to fill gaps — typically £824 per year costs £3.33/week to fill and adds £330/year to lifetime state pension income
- The state pension age is 66 (rising to 67 between 2026–2028, and to 68 between 2044–2046 under current plans)
- Deferring your state pension increases it: each year of deferral adds approximately 5.8% to the weekly amount
Drawdown Sustainability: The 4% Rule and Beyond
The 4% rule is the most widely used guideline for sustainable drawdown. Originally derived by US financial planner William Bengen (1994) from historical US market data, it suggests that withdrawing 4% of your starting pot annually — adjusted for inflation — will sustain a 30-year retirement in most historical scenarios.
For UK investors, research suggests a withdrawal rate of 3.5%–3.75% may be more appropriate, given different equity market characteristics and the importance of sequencing risk. Practical strategies to improve sustainability:
Flexible Withdrawals
In years when markets fall, temporarily reduce withdrawals. Even a 20% reduction in withdrawals during a bear market significantly extends the life of a drawdown portfolio. This is easier if you have other income sources (state pension, DB pension, part-time work) to cover essential spending.
Bucket Strategy
Divide your retirement pot into three "buckets": near-term cash (1–3 years' spending), medium-term bonds (3–10 years), and long-term equities (10+ years). This provides stability in bear markets while allowing long-term growth. Replenish near-term bucket from medium-term when markets are favourable.
Floor and Upside
Use an annuity or DB pension to cover essential spending (floor), and drawdown or investment portfolio for discretionary income (upside). This eliminates longevity and sequence risk for core needs while maintaining flexibility and inheritance potential.
Longevity Planning
Average life expectancy at 65 in the UK is 20 years for men and 22 years for women (ONS 2024). However, 1 in 4 65-year-olds will live past 90. Plan for at least 30 years in retirement. Consider a deferred annuity starting at age 80–85 to insure against very long life at relatively low cost.
Tax-Efficient Withdrawal Strategy
How you withdraw from your pension affects your tax bill. In 2026/27, the basic rate band is £12,571–£50,270. Key strategies:
- Keep income within basic rate: Withdrawing more than £50,270 from your pension (including state pension) pushes income into the 40% higher rate band. Where possible, keep total income below this threshold.
- Use the personal allowance: The first £12,570 of income is tax-free. If you have no other income, pension withdrawals up to this threshold are free of income tax.
- Tax-free cash: Take up to 25% of your pension as a tax-free lump sum (Pension Commencement Lump Sum). Maximum is £268,275 (Lump Sum Allowance 2026/27). Consider spreading this over multiple years to preserve tax efficiency.
- ISA and other savings coordination: Use ISA withdrawals (tax-free) to supplement pension income and avoid higher rate tax. Draw down ISA first if your pension is growing faster than ISA savings.
- Spousal splitting: If your spouse has a lower income, consider building their pension separately and coordinating withdrawals to use both personal allowances in retirement.
Pension Consolidation — Should You Combine Your Pots?
The average UK worker changes jobs 11 times during their career, potentially leaving behind 11 separate pension pots. Understanding when to consolidate and when to preserve separate pots:
| Situation | Consolidate? | Reason |
|---|---|---|
| High charges (>0.75% AMC) on old pensions | Yes | Charge savings compound significantly over time |
| Pension with guaranteed annuity rate (GAR) | Caution | GARs can be worth 2–3x current market annuity rates |
| Multiple small pots under £10,000 | Usually yes | Small pots eligible for lump sum without triggering MPAA |
| Old final salary / DB section | No | Valuable guaranteed benefits — do not transfer without regulated advice |
| Employer scheme with very low charges | Check carefully | Institutional rates may be lower than consumer SIPP |
Finding Lost Pensions
An estimated £26.6 billion sits in lost or forgotten pension pots in the UK. Use these free government resources:
- Pensions Tracing Service (gov.uk) — traces pension providers from employer names
- HMRC personal tax account — shows all registered pension schemes you have contributed to
- Pensions Dashboard (rolling out 2026) — will provide a single view of all pension entitlements including state pension
Sources & Methodology
- GOV.UK – Check Your State Pension
- PLSA – Retirement Living Standards
- ONS – Life Expectancy Data
- MoneyHelper – Taking Your Pension
Disclaimer: This calculator provides illustrative pension projections based on assumed constant growth rates and contributions. Actual outcomes depend on investment performance, inflation, charges, longevity and legislative changes. This tool does not constitute regulated financial advice. For personalised retirement planning, consult a qualified independent financial adviser (IFA).