This was initially set at £300,000 but was reduced to £250,000 from 1 April 2021 and then raised to £300,000 from 1 April 2023.
Cafodd y cap ei osod ar £300,000 i ddechrau, ond cafodd ei leihau i £250,000 ar 1 Ebrill 2021 ac yna ei godi i £300,000 ar 1 Ebrill 2023.