Hi Alison
It will depend on a number of factors, you can check your entitlement by using a online benefit checker:
gov.uk/benefits-calculators For a UC claim if you are single|: under 25 with the up lift £344.00 pcm, over 25 £411.51 pcm.
Without the up lift under 25 £257.33 pcm, over 25 £324.84 pcm
Gary