Some of these houses will be vacant for much of the year, or are used as air bnbs rather than renting to locals, increasing rent prices for us, too.
Bydd rhai o'r tai hyn yn wag am ran helaeth o'r flwyddyn, neu'n cael eu defnyddio fel air bnbs yn hytrach na’u rhentu i bobl leol, gan godi prisiau rhent i ni hefyd.