However, the Covid-19 pandemic disrupted normal data collection processes, leading to the decision to suspend TRBs in rent-setting from 2021-22.
Mae'r penderfyniad yn ystod pandemig COVID-19 i ganslo llawer o'r ymarferion casglu data ar dai ar gyfer 2019-20, a gohirio sawl un arall, wedi effeithio ar y broses o gyhoeddi ystadegau tai.