As part of the International Passive House Days, the UK’s first certified Passivhaus retrofit, 100 Princedale Road, will be open for tours on Friday 11 November.

Put on by iPHA and its international partners/affiliates, the 8th International Passive House Days, taking place from 11 -13 November 2011, mark the 20th anniversary of the Passive House concept.

The Passive House Days provide a chance for enthusiasts and newcomers alike to experience Passive Houses in all their variety, along with the comfort they offer, first hand. This year’s Passive House Days are set to be larger than ever, with participating projects and side events marking the occasion in a wide array of countries such as Japan, Chile, Ukraine, Lithuania, Hungary, Denmark, Sweden, Ireland, the UK and the US.

Octavia’s award-winning Victorian Passivhaus retrofit will be holding tours from the project team at 2pm, 3pm, 4pm and 5pm on Friday 11 November.

To book a tour contact green@octaviahousing.org.uk. For more information on the project browse this site.

Find out more about the International Passive House Days here and the other projects that are open to visitors in the UK here.