Thatcham is a town in Berkshire, England located 3 miles (5km) east of Newbury and 15 miles (24km) west of Reading. It covers approximately 8.75 square miles (23 km²) and has a population of 23,000 people (2003). This number has grown rapidly over the last few decades from 5,000 in 1951 and 7,500 in 1961. It lies on the River Kennet, the Kennet and Avon Canal, the A4 road and the course of a Roman road. It is also served by Thatcham railway station on the line between Newbury and Reading. Employment is provided by a number of light industrial units and it is also a dormitory town for Newbury, Reading and London.