For example, sales of residential properties over £750,000 contributed 4% of tax due in April to June 2018, rising to 16% in July to September 2023.
Er enghraifft, cyfrannodd gwerthiannau eiddo preswyl dros £750,000 4% o’r dreth a oedd yn ddyledus yn Ebrill i Fehefin 2018, gan godi i 16% yng Ngorffennaf i Fedi 2023.