The one date that runs your whole claim
Forget payday for a moment. The date that actually matters on Universal Credit is the day your assessment period ends. Everything hangs off it: DWP looks at what you earned and how you lived during that month-long window, works out your entitlement, and the money usually lands 7 days later.
So if your assessment period ends on the 14th, payday is normally the 21st. Same logic every month — which is why the calculator above only needs that one day from you. Dig it out of your statement (it’s printed on there), plug it in, and you’ve got your rhythm sorted.
New claim? Your first assessment period starts on the day you applied and runs for one calendar month from there. The waiting at the start is the worst bit — after that, it settles into its groove.
Who can actually claim it
Roughly speaking: you live in the UK, you’re 18 or over (a few 16–17-year-olds qualify in special cases), you’re under State Pension age, and you and your partner have £16,000 or less between you in savings and investments.
It doesn’t matter whether you’re out of work, on low hours, or off sick — UC was built to wrap six old benefits (Housing Benefit, Tax Credits, Income Support and the rest) into one monthly payment. What you get isn’t a flat rate, though. There’s a standard allowance at the core, then extra elements stack on top depending on your life: kids, rent, a health condition that stops you working, caring for someone severely disabled, help with childcare costs. Two neighbours on UC can take home very different amounts, and that’s by design.