However, they can choose to provide some services and activities on a commercial basis to generate income which is then reinvested to improve existing properties or to provide more social housing.
Fodd bynnag, gallant ddewis darparu rhai gwasanaethau a gweithgareddau ar sail fasnachol i greu incwm sy'n cael ei ail-fuddsoddi i wella eiddo sy'n bodoli neu i ddarparu rhagor o dai cymdeithasol.