Check how to claim a National Insurance refund
Use this tool to check how to claim a refund on your National Insurance contributions from HM Revenue and Customs (HMRC).
This page is also available in Welsh (Cymraeg).
If you’ve already claimed a refund, check when you can expect a reply.
Find out how to claim
There are different classes of National Insurance. You’ll be asked what class your refund is for.
±õ´ÚÌýHMRC has written to you about National Insurance contributions (and your letter includes a claim reference number), you can apply for a refund of National Insurance contributions.