The total number of dwellings in Wales continues to grow steadily with an estimated 1.4 million dwellings at 31 March 2017.
Amcangyfrifwyd fod 1.4 miliwn o anheddau yng Nghymru ar 31 Mawrth 2017, sy'n cynrychioli cynnydd o 6% dros y 10 mlynedd diwethaf.