A slow puncture is not always a puncture. Air escapes from a wheel in three places: through the tread, past the valve and around the bead where the tyre seals against the rim. That third one is the quiet culprit on older alloys, because the aluminium under the seating area corrodes into a fine white powder that lifts the tyre off its seat by a fraction of a millimetre. The tyre then weeps air steadily all round rather than losing it from a point, so nothing shows up in water on the tread and nobody can find a nail.
The fix is not a patch. The tyre comes off, the seating area on the wheel is cleaned back to clean metal, the bead is dressed and the tyre goes back on and reseats properly. It costs less than a repair and considerably less than the tyre somebody might otherwise sell you. That is the sort of thing worth having looked at properly at whatever hour it is convenient, on a drive near Kew or in a bay off Lower Mortlake Road, rather than topping it up for another fortnight.
Nobody wants to be stood over a wheel at four in the morning on Richmond Hill, and with us you are not. You ring, we come out, and the wheel comes off while you sit in the warm, on a driveway in Petersham or wherever the car ended up. Same tools in Kew as in North Sheen, same on every call. Valve in Kew, balance in North Sheen, pressures before we go.

24-hour tyre repair in Richmond is part of our wider puncture repair cover. For 24-hour tyre repair in Richmond, call 07717 389637 or send us your details for a price.
A tyre that keeps going down with no puncture in it is a routine call around Richmond, and on an older alloy the answer is often corrosion under the bead rather than anything in the tread. It gets found by taking the tyre off the rim, which happens at the kerb at whatever hour suits. If the fix is a clean and a reseat, that is what you pay for.
A car in Kew had been losing air for a month with nothing in the tread. The wheel had corroded under the bead and was weeping air all the way round.
An older alloy near Mortlake needed the seating area taking back to clean metal. The tyre went back on and held pressure properly for the first time in a year.
A slow leak on a car near North Sheen turned out to be a perished rubber valve. It was replaced in minutes and cost almost nothing.
Because it may not be one. Corrosion under the bead or a tired valve will lose air steadily without any hole in the tread to find.
The tyre comes off the rim and both the bead area and the wheel seat get inspected. It is the only way to see either of them.
Not usually, but it will never hold pressure properly until it is cleaned back, and running low pressure is what damages tyres.
Generally, and much cheaper than a tyre. It is one of the more satisfying outcomes to be able to give somebody.
Every night of the year, across Richmond, Kew, North Sheen and up towards Petersham.
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