Update Your Personal Details
Use the below form to change your personal details. You must let the HMRC know if you have any changes to your personal information such as name or address. Please note National Insurance Number cards have been replaced by an official HMRC letter. A lost NI Number can also be recovered using this form.
When to use this application
You are able to update your personal details when requesting a copy of your National Insurance Number. Our service fee is £21.00, which includes the printing of your replacement documents and postage costs. Please note cards have been replaced with a official HMRC letter. You are able to use this letter as proof of your National Insurance Number.
A letter will arrive in the post within 2-4 working day of submitting the replacement National Insurance Number form. The letter will contain your printed CA5403 forms which are ready for you to sign and send in the prepaid envelope provided. All applications are checked for emissions and errors prior to sending. Any error can delay the process of recovering your National Insurance Number. Please note cards are no longer issued by the HMRC and have been replaced with an official HMRC letter.
It can take 3-6 weeks for your National Insurance Number to arrive after sending your signed replacement documents in the post.