This is partially due to the small size of these communities and because very little existing data exists regarding the accommodation requirements of these communities in each local area.
Mae hyn yn rhannol oherwydd maint bach y cymunedau hyn ac oherwydd mai ychydig iawn o ddata sydd ar gael ar hyn o bryd am ofynion llety’r cymunedau hyn ym mhob ardal leol.