Are we absolutely sure about the 10% tolerance still being applicable? From local reports (West Wales) it seems motorists are being prosecuted in absolute terms. So someone doing 32 in a 30 limit is fined and points added.
For normal police its usually 10% + 2mph, if it's the traffic cops (white hats instead of black) then they are way more likely to give you a ticket for 31 in a 30.
if you need to go over the assisted speed limit using the motor, you can take your bike for an SVA, pay the fees and get a number plate.
Your bike will be checked to see if it's safe for up to 28mph.
the 10% is the usual tolerance, I am sure you are already aware of these things as you said you work in the legal sector.
I could do that, then would I be legal? No, theres still more hoops to go through.
And lets not get started on trying to insure the thing, because as it's just been lumbered into existing legislation instead of having it's own, most insurance companies won't touch you.
I joined here years ago and stopped coming because of all the emotor "letter of the law" nazis, I thought after all this time it might have changed. I was merely asking about a decent hub motor kit, I was open in my disregard of the current rules, but got loads of hassle. I care less about the rules and more about responsible riding and bike uptake.
May you all have a nice day. I'm going to leave again as I just don't want to cause hassle.