I've had a couple of these. Rooney10s sounds like a pre take over bike. The fenders probably have a different contour than the usual Raleigh fenders that come on these bikes. Robzer, give us a little more data and a picture or two. We'll tell you all about it.
Here's mine. The ugly one is a pre takeover bike, about '58 but I don't remember. Sold it a year ago. the shiny one is a '72, Really just about identical to a Raleigh Sport before I got it. It didn't have many of the options that a sport would have and I changed the fenders so don't use them for reference.

In fact, here's the whole album;
http://s291.photobucket.com/albums/l...amin/Phillips/
They do make nice fixies.