As can be seen from Chart 1 below, in September 2021 and again in September 2023, the maximum rent cap was set at the level of September’s CPI.
Fel y gwelir yn Siart 1 isod, ym mis Medi 2021 ac eto ym mis Medi 2023, cafodd y cap uchaf ar renti ei bennu ar lefel CPI mis Medi.