State Pension Gaps & Voluntary NIC Checker UK 2026/27 — Is It Worth Filling Missing Years?
You need 35 qualifying years of National Insurance contributions for the full new State Pension (£11,502.40/year in 2026/27). Gaps in your NI record — from unemployment, caring, or living abroad — reduce your pension. Voluntary Class 3 NIC costs £824.20 per year (2026/27) and can be one of the best “investments” you can make. This checker works out whether filling your gaps is worthwhile.
Full new State Pension 2026/27: £11,502.40/year (£221.20/week). Each qualifying year worth £328.64/year extra pension. Voluntary Class 3 NIC: £824.20/year (2026/27). Payback period: approx 2.5 years. Check NI record: gov.uk/check-national-insurance-record. Extended deadline to fill gaps back to 2006 — check current deadline urgently at gov.uk.
How the New State Pension Works
The new State Pension applies to those reaching State Pension age on or after 6 April 2016. Key facts for 2026/27:
- Full new State Pension: £221.20/week (£11,502.40/year)
- Minimum qualifying years: 10 years to receive any pension
- Full pension requires: 35 qualifying years
- Each additional qualifying year is worth: £221.20 ÷ 35 = £6.32/week (£328.64/year)
- State Pension age: currently 66 for men and women; rising to 67 between 2026 and 2028
Free NI Credits You May Have Missed
Before paying voluntary NIC, check whether you are entitled to free credits for years you think are gaps. Common credits include:
| Situation | Credit available |
|---|---|
| Claiming Child Benefit for a child under 12 | Class 3 credits (full qualifying year) |
| Carer’s Allowance recipient | Class 1 credits (full qualifying year) |
| Carer’s Credit (20+ hours caring, not on CA) | Class 3 credits (apply on form CF411A) |
| Statutory sick pay or Statutory Maternity Pay period | Class 1 credits |
| Universal Credit claimant doing work-related activity | Class 3 credits |
| Armed forces or partner of armed forces member posted abroad | Class 3 credits available |
It is always worth checking credits before paying voluntary NIC — you may be entitled to free years you did not know about.
Voluntary NIC for Those Living Abroad
UK nationals living abroad can pay voluntary Class 2 NIC (cheaper than Class 3) if they were working in the UK immediately before leaving and continue to work abroad. Class 2 costs just £3.45/week (£179.40/year) but achieves the same result as Class 3 for State Pension purposes. Contact HMRC’s National Insurance abroad team (NI38 guidance) to check whether you qualify for Class 2 rather than Class 3.
How to Actually Check and Pay for Gaps
Your first step should always be checking your State Pension forecast through the gov.uk "Check your State Pension" service, which shows your existing qualifying years, any gaps, and — crucially — a personalised forecast of what paying to fill each specific gap would add to your pension. This matters because not every gap is worth filling: if you're already on track to reach the full new State Pension through your remaining working years before State Pension age, paying voluntarily for old gaps won't increase your pension any further, since there's a maximum weekly amount the new State Pension can pay regardless of how many qualifying years you accumulate beyond 35. Once you've identified genuinely valuable gaps to fill, you can pay online, by phone, or by post — HMRC will confirm the exact reference and amount for each specific tax year you want to fill, since rates vary by year and it's not always the current year's rate that applies to a historic gap.
Deadlines for Filling Older Gaps
Ordinarily, you can only fill gaps from the past six tax years, but a series of temporary extended deadlines allowed people to fill much older gaps, going back to 2006, in the run-up to April 2025 — this special extended window has now closed, and the standard six-year rule applies going forward. This means anyone with gaps from 2006–2018 who didn't act before the deadline passed has lost the ability to fill those specific years, which is a genuinely permanent loss of potential pension value for anyone who missed the window. It's a strong argument for checking your own forecast now rather than assuming there will always be time later, since the standard six-year rolling window means older gaps become permanently unfillable as each new tax year passes.
Frequently Asked Questions
No. Once you reach State Pension age, you stop paying NIC and cannot make voluntary contributions to increase your State Pension. You must fill any gaps before you reach State Pension age. If you are close to State Pension age and have gaps, act urgently. There is also no benefit in having more than 35 qualifying years — additional years beyond 35 do not increase your pension further.
Yes, in most cases. The State Pension is paid on top of any occupational or private pension. However, those who were in contracted-out defined benefit pension schemes before 2016 may have a “starting amount” for the new State Pension that is lower than the full rate — this is because they built up a State Second Pension equivalent within their occupational scheme. Check your State Pension forecast at gov.uk/check-state-pension to see your personal starting amount and how many years you need.
Yes — most out-of-work benefits, including Universal Credit, new-style Jobseeker's Allowance, and new-style Employment and Support Allowance, automatically credit you with a qualifying year of National Insurance without any extra application needed. This is one of the reasons it's worth always claiming benefits you're entitled to even during a short period out of work, since the NI credit protects your State Pension record without costing you anything.
Voluntary Class 3 contributions cost £17.45 per week for 2026/27, which works out to roughly £907 for a full year. Given the new State Pension pays £221.20 per week, a single filled year typically adds around £6.32 per week (about £328 per year) to your pension — meaning most people recover the cost of filling a gap within around three years of receiving their State Pension, making it one of the better-value financial decisions available to people approaching retirement with gaps in their record.