A HOUSEHOLDER doing some building work in his back garden unearthed more than a blocked drain - he came across artefacts thousands of years old.

Anthony Lloyd-Wallis, of Yarm, who studied archaeology at university, was amazed to find the prehistoric and medieval remains.

They included 3,000 year-old flint tools, which are still sharp, and fragments of medieval pots.

Mr Lloyd-Wallis said: "I could hardly believe it when the first finds started turning up just below the concrete yard surface."

Peter Rowe, of Tees Archaeology, said: "We know that Yarm has a long history and that important remains have been found in the past.

"You can almost imagine prehistoric folk travelling up the Tees in dug-out canoes before emptying their cargo of flint in what became Mr Lloyd-Wallis's garden.

"We would love to hear from anyone else who has come across finds like these."