If the size of your household means that you would normally need a property with more than 4 bedrooms, your benefit will be based on the 4 bedroom rate.
Os yw maint eich eiddo’n golygu y byddai angen eiddo â mwy na 4 ystafell gwely ynddo fel arfer, bydd eich budd-dal yn seiliedig ar y gyfradd 4 ystafell wely.