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CheckNear.me

CSV tool

Batch postcode lookup

Upload a CSV of up to 1,000 rows, smaller than 500 KB, and download source-backed coordinates for every valid full postcode.

A postcode column is required. Up to 1,000 rows, smaller than 500 KB.

Required format and output

Required format

The first row must contain a column named postcode. Other columns are ignored. Duplicate and invalid rows are retained so the output can be reconciled with the upload.

postcode,name
CB4 2LL,Example one
SW1A 1AA,Example two

Output fields

The download contains the original input, canonical postcode, lookup status, latitude, longitude, easting, northing and OS source version. Uploaded files are processed in memory and are not stored by this tool.