Ok, thank you for reply!
but still it says that the PCNs are treated same as Fixed Penalty Notices if they are numerous...

Hello, I have received 5 fixed penalty notices, all from 2017 : 2 for parking (from council) 1 for speeding, 1 for prohibited turn, 1 for a bus lane contravention , all paid and a speeding awareness course done in time. I have read that 3 or more of fixed penalty notices are taken into consideration...