Behold! The very first Cow Omelets in Wales!
A series started by airhorns in Lancashire and growing fast.
Cow Omelet is an anagram of Welcome to...
The rest is an anagram of the town, but in this case there's a little extra twist...
extract the letters of the town and what you have left gives you a number, save that for the bonus cache, which will be coming later when I get permission.
This is the main way in from the M4, and currently it's Welcome sign is missing, the posts are still there though, hopefully it's getting replaced.
This was the closest I could get without taking you onto a busy dual carriageway.