You can claim Universal Credit while working, including if you work part time, but your earnings and other circumstances affect the amount you receive. Your payment usually reduces by 55p for each £1 you earn above any work allowance, which may apply if you have children or a health condition affecting your ability to work. There is no set number of hours that automatically prevents a claim, although your work-related requirements may change. Check your circumstances using the official GOV.UK guidance or a benefits calculator, as the Department for Work and Pensions makes the final decision.