Prince Charles’ latest architectural project – a sustainable eco-house to be built at the BRE Innovation Park in Watford – has fallen victim to a delayed construction programme

Swan Country Homes failed to complete the project in time for this month’s Insite 09 exhibition, and has been replaced by Kingerlee. However, the completion date has now been pushed back to September.

Insite 09 also features showcase projects from the National Non-Food Crops Centre, FutureForm Building Systems and Willmott Dixon. It runs to 4 June.