Multiple reliefs can be applied to a single transaction and reliefs may reduce the tax due to zero (known as a full relief) or by a certain percentage or amount (known as a partial relief).
Gellir rhoi sawl rhyddhad ar un trafodiad a gall rhyddhadau ostwng y dreth sy’n ddyledus i sero (a elwir yn rhyddhad llawn) neu o ganran neu swm penodol (a elwir yn rhyddhad rhannol).