Your data has issues

There is a problem

• 1 row is missing a period-start-date

Reference	Name	Dataset	Description	Period start date	Period end date	Local planning authorities	Documentation URL	Document URL	Required housing	Entry date	Notes
southwark-plan-2045	Emerging Southwark Plan 2045	local-plan	Development Plan Document, setting the strategic vision and objectives for the area as well as detailed planning policies and site allocations.	Missing value		E09000028				2026-07-20

How to fix this issue

Your data is missing a period-start-date.

The local plan guidance explains how to fix the issue:

period-start-date

Enter the start of the plan period. This is usually just a year in YYYY format. For example:

• 2026
• 2030

How to improve London Borough of Southwark’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