Your data has issues

There is a problem

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

Reference	Name	Site address	Deliverable	Hazardous substances	Hectares	MinNetDwellings	Minimum net dwellings	Maximum net dwellings	Ownership status	Planning permission date	Planning permission type	Planning permission history	Planning permission status	Site plan URL	Point	Notes	OrganisationLabel	Organisation	Entry date	Start date	End date
2016/1930	2016/1930	Tower Court, Clapton Common E5 9AJ			0.7			65	unknown	Invalid date	full-planning-permission		permissioned	https://map.hackney.gov.uk/LBHackneymap/?zoom=14&lon=533980&lat=187787	POINT(-0.068058 51.57304)				2021-07-01	2021-07-01
2017/2074	2017/2074	59-61 Kingsland High Street E8 2JS			0.01			6	unknown	Invalid date	full-planning-permission		permissioned	https://map.hackney.gov.uk/LBHackneymap/?zoom=14&lon=533522&lat=185020	POINT(-0.075712 51.548284)				2021-07-01	2021-07-01
2017/3864	2017/3864	Sir John And Lady Cohen Court Rookwood Road N16 6SD			0.03			6	unknown	Invalid date	full-planning-permission		permissioned	https://map.hackney.gov.uk/LBHackneymap/?zoom=14&lon=533993&lat=187917	POINT(-0.067821 51.574205)				2021-07-01	2021-07-01
2018/1060	2018/1060	The Windsor Castle 135 Lower Clapton Road E5 8EQ			0.07			6	unknown	Invalid date	full-planning-permission		permissioned	https://map.hackney.gov.uk/LBHackneymap/?zoom=14&lon=535059lat=185575	POINT(-0.053346 51.552905)				2021-07-01	2021-07-01

How to fix this issue

Your dataset is missing the PermissionDate column.

The Brownfield land guidance explains how to fix the issue:

PermissionDate

Enter the date the most recent permission was granted on the site, in the format YYYY-MM-DD. If no permission has been granted leave this blank.

How to improve London Borough of Hackney’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