Neil, my apologies. Sorry it's took so long to reply. The repair was done at a little garage recommended by a friend, paint bought over the counter at a paint supplier is only as good as the person mixing it, you get what you pay for at the end of the day!
Got a quote from a smart repair company near where I work, who are going to match the paint for me. I'll have paid out twice for the job, but it's still only cost me a little bit more than my excess would have been. Leaving me with a dent in the wallet, but both lives left on my protected no claims!