The tax due was up 42%, partly influenced by the 1% increase to tax rates in all bands for higher rates residential transactions from 11 December 2024.
Roedd y dreth ddyledus i fyny 42%, yn rhannol oherwydd y cynnydd o 1% yng nghyfraddau treth pob band ar gyfer trafodiadau preswyl cyfraddau uwch o 11 Rhagfyr 2024.