Its product range spans more than 18,000 lines, from gas and water pipelines to street furniture and environmental management systems such as rainwater harvesting.

There are green features, too: rainwater harvesting and a centralised wood-pellet heating plant that cuts carbon emissions by 55%.

This could mean anything from simple aerated shower heads to rainwater harvesting systems.

Stackyard is ecofriendly, with solar thermal collectors, photovoltaic cells and rainwater harvesting.