As of the 1st April 2025, properties that have been registered as empty since the 1st April 2023, and have been charged the 50% premium from 1st April 2024, will now increase to a 100% premium charge.
O 1 Ebrill 2025, bydd eiddo sydd wedi'u cofrestru fel eiddo gwag ers 1 Ebrill 2023, ac sydd wedi gorfod talu'r premiwm o 50% o 1 Ebrill 2024, yn awr yn gorfod talu tâl premiwm o 100%.