Your data has issues

There is a problem

• 3 entries must have valid integers

Reference	Name	Organisation	Site address	Point	Site plan URL	Hectares	Ownership status	Planning permission status	Planning permission type	Planning permission date	Planning permission history	Deliverable	Minimum net dwellings	Maximum net dwellings	Hazardous substances	Notes	Start date	Entry date	End date
20/P2579	20/P2579		258-260 London Road, Mitcham CR4 3HD	POINT(-0.164237 51.406377)	https://www.merton.gov.uk/planning-and-buildings/planning/brownfield-land-register	0.06	not-owned-by-a-public-authority	permissioned	full-planning-permission	2023-01-27	https://www.merton.gov.uk/planningexplorer	yes	Invalid integer				2023-10-04	2023-10-04
23/P0072	23/P0072		39 Mitcham Park, Mitcham CR4 4EP	POINT(-0.169642 51.398125)	https://www.merton.gov.uk/planning-and-buildings/planning/brownfield-land-register	0.05	not-owned-by-a-public-authority	permissioned	full-planning-permission	2024-05-10	https://www.merton.gov.uk/planningexplorer	yes	Invalid integer				2024-12-02	2024-12-02
23/P0329	23/P0329		The White Hart 144 Kingston Road, Wimbledon SW19 1LY	POINT(-0.20175 51.414458)	https://www.merton.gov.uk/planning-and-buildings/planning/brownfield-land-register	0.26	not-owned-by-a-public-authority	permissioned	full-planning-permission	2023-12-01	https://www.merton.gov.uk/planningexplorer	yes	Invalid integer				2024-12-02	2024-12-02

How to fix this issue

Your dataset is missing the NetDwellingsRangeFrom column.

The Brownfield land guidance explains how to fix the issue:

NetDwellingsRangeFrom

How to improve London Borough of Merton’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