Some nuts are not lost, they are stuck. A locking nut that has been on the same stud through several Chiltern winters can corrode itself solidly in place, and then even the correct key will not shift it with the brace that came with the car. People stand on the wrench, the key deforms, and now there are two problems instead of one.
The fix is leverage and heat applied sensibly, not force applied hopefully. We come out with proper breaker bars and extraction sockets, work the nut loose without shearing the stud, and get the wheel off. On a car parked on a slope, which around here is most of them, that job is also about chocking and stabilising the vehicle properly before any torque goes anywhere near it. Once the wheel is free, the tyre work carries on as usual and the seized nut can be replaced with a fresh one so next time it simply undoes.
Rounded, rusted, over-tightened, or the key is in a drawer somebody moved: the reasons vary and the outcome does not. We do it where the car is parked rather than dragging it anywhere, whether that is Hazlemere, Sands or wherever you have stopped, then get on with the tyre itself. The wheel comes off in Cressex, not on a ramp in Beaconsfield. Nothing is towed out of Downley or Sands; the work finishes there.

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Salt goes down hard on the valley roads and the climbs out towards Hazlemere and Downley every winter, and it finds its way into every thread on the car. That is why a seized locking nut is more common here than a genuinely lost key. Dealing with it on your own drive, with the car chocked properly, is far better than discovering it halfway up a hill with a flat tyre and no way to lift the wheel.
A car parked on a steep Totteridge street had a nut that would not move. It was chocked properly, the nut was worked loose and the wheel came off safely.
An owner in Hazlemere had already bent the key trying. We extracted the nut with the right tool and fitted a plain replacement in its place.
A car at Cressex had every locking nut corroded on. All four came out in one visit and a standard set went on so it would not recur.
Corrosion between the nut and the stud, usually. The key is gripping fine but the nut is welded in place by rust, and standing on the brace risks snapping the stud rather than freeing it.
That is the point of the tooling. Controlled leverage and the right socket get the nut moving without shearing anything, which is a very different thing from brute force.
Only with the car properly chocked and supported, which is part of the job. On the steep streets out towards Downley that preparation matters as much as the tool does.
Yes, if it was seized. A corroded nut that has been forced is not worth reusing, and a fresh nut means the wheel comes off normally next time.
We carry standard nuts to suit common fitments, and we can fit a new locking set with fresh keys if you would rather keep the security.
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