"BRP's will expire on 31 December 2024. To prove your immigration status after this date you will need to replace your BRP with an eVisa. The expiration of your BRP card does not affect your immigration status. However, starting in 2025, the way you prove your immigration status will change. Here is the create link https://www.gov.uk/view-prove-immigration-status. If you have a visa with a BRP the UKVI have stated they will supply a link.
What do I need to do now?
Please take the following steps now:
Create a UKVI account to access your eVisa, which will replace your BRP.
To create your UKVI account, you will need:
Your date of birth
Your BRP Number
Your passport (if you do not have a BRP)
Access to an email address and phone number
Access to a smartphone
You should create your UKVI account at: https://www.gov.uk/get-access-evisa.
Got a question?
For more information about eVisas and to get help creating your UKVI account, visit: https://www.gov.uk/evisa.
Already have an eVisa or another physical document?
If you already have an eVisa, or if you have another document to prove your immigration status such as a certificate of entitlement of right of abode, visit https://www.gov.uk/evisa for more information on how this change will affect you.
Legal representative, or an immigration application advisor?
If you are a legal representative or advisor and used your email address for client immigration applications, please disregard this message. We will send you specific information later this year.
Stay updated
For the latest eVisas updates visit www.gov.uk/evisa, and sign up for updates. This page will be regularly updated throughout 2024"
Direct Quote from UKVI information