Why does my BRP expire on 31/12/2024? – Richmond Chambers
‘If you have been granted indefinite leave to remain (ILR) in the past few years, you will probably have been issued with a Biometric Residence Permit (BRP) with an expiry date of 31 December 2024.’
Richmond Chambers, 7th February 2020
Source: immigrationbarrister.co.uk