Your data has issues

There is a problem

• 7 entries must have dates in YYYY-MM-DD format

Reference	Name	Listed building	Geometry	Notes	Organisation	Entry date	Start date	End date
TBC	Acacia Avenue - Church of St John the Baptist	TBC	MULTIPOLYGON (((-0.085366 51.606106,-0.085371 51.606052,-0.085364 51.606050,-0.085365 51.606032,-0.085373 51.606030,-0.085374 51.606009,-0.085366 51.606004,-0.085368 51.605986,-0.085376 51.605983,-0.085380 51.605930,-0.085180 51.605925,-0.085177 51.605956,-0.084868 51.605948,-0.084856 51.605979,-0.084807 51.605978,-0.084804 51.606026,-0.084852 51.606027,-0.084850 51.606049,-0.084860 51.606049,-0.084859 51.606059,-0.085166 51.606070,-0.085164 51.606099,-0.085366 51.606106)))			2025-05-08 Invalid date
TQ 3085090706	High Road - Haringey Civic Centre	TBC	MULTIPOLYGON (((-0.112186 51.600491,-0.112036 51.600070,-0.112553 51.599999,-0.112522 51.599902,-0.112012 51.599976,-0.111960 51.599843,-0.111942 51.599847,-0.111929 51.599806,-0.111714 51.599839,-0.111726 51.599861,-0.111698 51.599866,-0.111764 51.600036,-0.111678 51.600047,-0.111701 51.600112,-0.111786 51.600104,-0.111797 51.600134,-0.111828 51.600128,-0.111965 51.600520,-0.112186 51.600491)))			2025-05-08 Invalid date

How to fix this issue

Your dataset is missing the entry-date column.

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

entry-date

The date the entity was last updated.

If the entity has never been updated, enter the same date as start-date.

Write in YYYY-MM-DD format.

Example: 2022-12-20

How to improve London Borough of Haringey’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