140/150 is totally hypertension and almost dangerous, according to almost everything I have read about the subject. 128/80 used to be 'normal' but now it is 130/80 with beat of 60.
So, tighten it with the ability to put one finger between the arm and the cuff (not collar), and ensure that the A mark is over the artery.
That's what I was meaning. The UK system is totally no good. Anyone can tick all the right boxes to re-new the DL, even though they are telling porkies.
I just renewed my UK Driving Licence at 76 years old. Online I told them that I was medically fit, use glasses, and am not an alky or druggy. Got it back in six days, free of charge. Passed my test at 18, before England won the World Cup ! 555