Defined for residential buildings (other than residences for communities), taking into account the number of dwellings, in contrast to indexing square meters of useful floor area, also available in the linked dataset. As per source: "the objective of the number of dwelling building permit index is to show the future development of construction activity in terms of unit numbers, while the objective of the useful floor area building permit index to show the future development of construction activity in terms of useful floor area or an alternative size measure."

All data has been estimated.
Percentage change compared to same period in previous year.
Unadjusted data (i.e. neither seasonally adjusted nor calendar adjusted data).