In most cases the direct comparison is made to other types of mobile home sites but in some instances it is more appropriate to draw comparisons with social housing provision.
Yn y rhan fwyaf o achosion, gwneir cymhariaeth uniongyrchol â mathau eraill o safleoedd cartrefi symudol ond mewn rhai achosion mae’n fwy priodol cymharu â’r ddarpariaeth tai cymdeithasol.