| Name | Description | Data type | Value constraints | Example(s) |
|---|---|---|---|---|
| area_code | ONS code for the electoral ward | String | Electoral wards in Trafford | E05015253 |
| area_name | ONS name for the electoral ward | String | Electoral wards in Trafford | Old Trafford |
| 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 |