Name changed to preserve anonynimty.
One of our neighbours keeps changing his registration plate.
Originally had a black audi with R6 as the plate. Not a valid registration Mark.
Reported it, saw police officers outside and it got changed to a regular valid registration plate.
Recently there was a black Range rover with POL 10 E on with the 0 altered to look like a C 
Reported, but was then the black RR disappeared and the plate was then on a blue RR.
Haven't seen the black RR for a while. But the blue one is there with 6UN on a rear plate only (no front plate at all). The 6 is altered to look like a G
Reported this last week. It's still on the car. When I see the car off the drive it's been driving like it's on Silverstone. In fact all the cars (there's normally about 6 on the drive) at this address are driven inappropriately.
There's also a newly arrived black merc which is untaxed.
AIBU to keep reporting?