No
you're screwed - I dont think you have screwed yourself but anyway there is no going back
the principle is subrogation here
http://www.investopedia.com/terms/s/subrogation.asp
and you now have no rights in the matter
This caused chaos on the law thread a few days ago
http://www.theanswerbank.co.uk/Law/Question1555888.html
probably would have gone this way if you HAD been contactable
knock for knock
MUCH cheaper for the insurance companies as there are no court costs and quicker ( so admin costs go down)
principle of agency does NOT apply here (or else you would have some rights)