The Eden Project was feted yet again yesterday as it was named the best British building of the past 20 years at the British Construction Industry's 20th anniversary awards. The Independent

Home of the famous giant Rainforest and Mediterranean Biomes and the Core education centre, it has attracted more than 8m visitors and is said to have generated £800m for the regional economy since it opened in 2001.

The BCI awards judges considered a range of factors, in addition to design, including client satisfaction, safety, innovation, sustainability and usability.