A household member is living with a health condition (in a D, E, F, G rated privately owned or rented property) and in receipt of an income below defined thresholds.
Mae aelod o'r aelwyd yn byw gyda chyflwr iechyd (mewn eiddo preifat neu rent â sgôr o D, E, F, G) ac yn derbyn incwm sy'n is na throthwyon diffiniedig.