Insurance companies nationwide search reports on both websites.
If you've lost something that doesn't have a serial number, but is worth over £500 or has sentimental value (ie an heirloom), please speak to an officer or member of police staff to see what, if anything, we can do to help.
South Wales Police also have a found property database that we can search for you. Please call 101 and tell us:
what you lost, plus any identifying marks or serial numbers