Search a UK postcode
Look up a postcode, see where it lands, and check the address details in one place.
For faster lookups, results are stored on our server and reused. They remain available for reuse until they are refreshed, removed manually, or deleted during routine maintenance. Read our data policy
How it works
One flow from postcode to useful address details.
Romeo checks the ONS directory first, then uses map data to add place details and nearby context.
Search
Enter a UK postcode to start a fresh lookup.
Review
Check the address, coordinates, and map in one view.
Confirm
Check the source details before you use the result.