for residential transactions, the average property value per transaction was highest in Monmouthshire (£333,000) and lowest in Blaenau Gwent (£124,000)
ar gyfer trafodiadau preswyl, roedd gwerth cyfartalog eiddo fesul trafodiad ar ei uchaf yn Sir Fynwy (£333,000) ac ar ei isaf ym Mlaenau Gwent (£124,000).