One of the toughest decisions in green building is the choice of insulation. Each type has its own set of virtues and problems. Last summer I wrote an article to try and address this confusion. I didn ...

Insulation, insulation, insulation - the green building mantra. New-build eco-houses, such as the German Passiv Haus, prove that if you can cram enough of the stuff into your house, you could forgo a ...

I want to insulate my loft in an eco-friendly way, preferably with wool, but the entrance hatch is tiny and I don't want to make it ­bigger. What's the best alternative? "A visit to ecomerchant.co.uk ...