However, when reviewing the evidence, increased weight was generally given to documents with a Welsh or UK focus and where the main focus is specifically overcrowded housing and ethnicity.
Fodd bynnag, wrth adolygu’r dystiolaeth, neilltuwyd mwy o bwys yn gyffredinol i ddogfennau â phwyslais ar Gymru neu’r DU a lle mai tai gorlawn ac ethnigrwydd oedd y prif bwyslais.