Meanwhile, others suggested that in some areas, the threshold had been crossed, leading to irrevocable impact on the housing market and local communities.
Ar y llaw arall, awgrymodd eraill fod y trothwy wedi ei groesi mewn rhai ardaloedd, a hynny’n arwain at effaith ddi-droi’n-ôl ar y farchnad dai a chymunedau lleol.