Peugeot 1007 heavy vibrating steering

Sounds familiar. I've got a 1007 too, and those symptoms ring a bell. Have you had any work done on the steering column recently, or noticed any issues with the traction control light?

Thanks. No work on the steering column recently, and no traction control light issues. Why do you ask about work on the steering column?

Well, I had similar symptoms after some work on my suspension, and it turned out the steering angle sensor needed recalibrating. Apparently, it's quite sensitive. If it's not that, it could be wheel alignment but I'd get it checked out at a workshop. They'll be able to read the sensor data and see if it's coded properly.

I appreciate the insight. The steering angle sensor coding was indeed faulty, as you suspected. The repair cost 195€. Thanks for pointing me in the right direction.