Where the obligations require extra building works, as opposed to a financial contribution, the developer will not usually want to retain that facility once it is finished.
Lle mae’r rhwymedigaethau’n galw am waith adeiladu ychwanegol, yn hytrach na chyfraniad ariannol, ni fydd y datblygwr am gadw’r cyfleuster hwnnw fel arfer ar ôl ei orffen.