Volkswagen Polo wheel tracking

Yes , the correct way and the wrong way .There are also various tracking gauges from the old type to 4 wheel laser alignment . Also camber and castor geometry check .

What method would you reccommend?
My problem is that suspension repairs have been carried out to enable my car to PASS its MOT.
New Anti roll bar etc,
Car has passed MOT, but because of tread wear in some tyres because of previous suspension fault. Local tracking company, can only do work if I change all tyres.

Unless tyres were badly , unevenly worn they shouldn't affect adjusting / checking wheel alignmemet .If they were that bad wouln't have passed MOT ? Can the rear tyres not be changed with front , assuming that is the ones with the wear .New anti roll bar would not normally alter wheel alignment . If other repairs carried out on steering or suspension to pass MOT altered settings , then they should have re-aligned wheels as part of the job .Normally it's because of the worn parts the alignment and tyre wear occurs and when the worn parts like ball joints / bushes etc are replaced the alignment often reverts back to correct settings and is o.k .Bit long winded , but hope you understand .Better to get it checked to be safe .A lot of places use that excuse to sell you tyres that are not really needed .Any small ,independant garage can align wheels .

Meant to say in post above to change wheels from back to front if o.k for wear rather than " change tyres from back to front "

Best to have a full geometry test carried out. This will tell all angles of wheels.