Separation changes your household, and benefits are assessed on households. Reporting promptly avoids overpayments that have to be repaid later.
Check these
- Universal Credit: a joint claim must be ended and single claims made.
- Child Benefit: confirm who receives it, which also affects National Insurance credits.
- Council tax: a single adult discount may apply once you live alone.
- Housing costs: entitlement may change with a new address and household size.
This article is general information about the law of England and Wales, not legal advice. For advice on your situation, speak to a solicitor.