What happens
Tyre trouble in Westminster after hours, repaired where the car is.
Late-night flats in NW8 and NW6 can be slow punctures: a screw picked up around Lord's or on Edgware Road that the tread held all day and gave up on the drive after dark. By morning the temptation is to drive it down to the Marylebone Road and hope, which crushes the sidewall against the rim and costs you the tyre. Sealed during the night, the same tyre is sound for the school run.
Describe the tyre when you ring 07473 720871: the object, how far down the tyre is, whether it has been driven since. Out on the St John's Wood drive the wheel is jacked clear, the tyre demounted and the liner examined under the van's light; a hole in the tread centre inside the 6 mm limit gets its patch-plug to BS AU 159, then balancing and refitting. The repair price is named on the call, never afterwards, and the night hour adds nothing to it.
The same Brent Cross team also handles locking wheel nut removal in Westminster and puncture repair in Westminster, booked on the same call.