Name	Description	Data type	Value constraints	Example(s)
area_code	ONS code for the electoral ward	String	Electoral wards in Sheffield	E08000019
area_name	ONS name for the electoral ward	String	Electoral wards in Trafford	Clifford
indicator	Concise description of dataset	string	No reference to measure	Detached houses
period	The period of time the data refer to	String	Date: YYYY-MM or YYYY-MM-DD	2019-01 or 2018-12-31
			Single year: YYYY	2019
			Financial/education year: YYYY/YY	2017/18
			Date range: YYYY to YYYY	2016 to 2019
measure	How values are expressed	String	Maintain consistency of terms	Count, Percentage, Rate, Median, Ratio
unit	The unit of measurement	String	Maintain consistency of terms	Households, Persons, Crimes
value	A numeric value	Integer / Double	Round value to one decimal digit	3.4