At the car
A repair in Barnet that cannot wait.
Urgency in Barnet has a shape: a nurse leaving EN5 for an early at Barnet Hospital, a parent with three drop-offs across Finchley, a commuter with a flat on the permit street by High Barnet station and a meeting in town. The puncture is small, a screw picked up on the Mill Hill East units, and the tyre is worth saving. What you need is a repair done before the day collapses, not a booking for Thursday.
In Barnet, say it cannot wait and name where you must be; the job may be slotted ahead of the regular work where the diary has room, and the fitter says straight whether the day can work, never a promise he cannot keep. The repair is the full BS AU 159 job, inspected and patched from inside, balanced and refitted. Have the registration and the exact street in N12 or NW4 ready, and the price is confirmed at the same time as the slot.
If the job turns out to be different, see new tyres fitted in Barnet, emergency tyre replacement or wheel balancing in Barnet.