London Borough of Lambeth

Listed building outline

There is a problem

• 7 entries have reference values that are not unique

entry: undefined

• Endpoint URL: https://opendata.arcgis.com/datasets/a0ea54c61b1f4bdfbe9605324cf70c81_0.geojson
• Row: 265
• reference: 7/850

  Reference must be unique in resource

How to fix this issue

Your dataset is missing the reference column.

The Listed building outline guidance explains how to fix the issue:

reference

A reference or ID for each listed building that is:

• unique within your dataset
• permanent - it doesn’t change when the dataset is updated If you don’t use a reference already, you will need to create one. It can be the Historic England reference used in the register of listed buildings, or a short set of letters or numbers.

Example: LB1

How to improve London Borough of Lambeth’s data

1. Fix the errors indicated
2. Use the check service to make sure the data meets the standard
3. Publish the updated data on the endpoint URL