If you hold a front line license , you are expected to notify the SIA of any change:
Convictions, cautions or warnings you have received for a relevant criminal offence.
Charges against you for a relevant criminal offence
Change to your name
Change to your address
Change to your right to work in the UK
You can do that from your SIA online account > 'Notify the SIA' tab.
You are required to notify the SIA within 21 days of any change and up to 42 days for name change.
You are not required to contact the SIA if your details haven't changed.