The traditional method of repair involves a gang of up to five people kitted out with shovels, buckets and wheelbarrows, and a lorry-load of asphalt.

BBC: Jetpatchers at work

"We've become a bit inure to this because we've had four cars in the garden in the last few years and in 2007 a lorry lost its load of beer into our garden, " said Mr Cobbin.

BBC: Two damaged cars