eBay and Craigslist finds

The rear dropouts are cheap old fashioned ones, geometry is very squat.
Also lamp bracket and mudguard/rack eyes are a dead giveaway that it's not a 'racing' frame.
No indication of tubing would suggest gaspipe, probably weighs a tonne.

As well as the real deal, EM licenced Falcon to churn a whole world of shit bikes.

Clumpy light bracket on the fork and mudguard braze-ons, doesn't scream "racing pedigree".

It all depends on what your expectations are and what you intend to use it for, as to whether it's woith it: £45 is cock-all for a serviceable frameset.

Whoa, thank you for the information. Expectations are mixed. I just have a sudden itch for another bike/ more refined steed which I totally can't afford that I can't seem to explain.

Learn something everyday, i'll keep my peepers peeled.