The Tree House: London's Pioneering Zero-Carbon House
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by Jen Biederman on 11/29/2008
Diary of an Eco-Builder- MA Student in Energy and Sustainable Design Builds Zero-Carbon House in London
September 30, 2004: Will Anderson found his plot of land in Clapham, south London, in an estate agents. It had planning permission for a house he didn't want to build.
November 10, 2004: After the site is cleared for construction and foundations laid on virgin ground, heat pump pipes are inserted into boreholes 25m deep. Coolant is pumped through the pipes, drawing energy from the Earth to heat the house.
December 14, 2004: The outline of the house footprint emerges for the first time. A wooden mold is constructed before concrete is poured in.
July 20, 2005: A moisture-permeable air barrier is laid over plywood sheeting. This will let moisture escape from the walls but prevent heat losses from uncontrolled droughts.
September 7, 2005: The crucial final layer of the roof is installed: the photovoltaic power station. Installers from Solar Century prepare the specially designed rain screen that the PV modules are fixed to.
Staircase: Tree trunks supporting the staircase were hand-picked by Will Anderson from a sustainable forest floor in Sussex, managed by Timber Resources.
Bathroom: The bath was salvaged and Kirkstone slate was used for the walls and floors. Kirkstone quarrymen rebuild the fell behind them to protect the landscape in the Lake District national park. Hot water is provided by a combination of the heat pump and a solar thermal panel and water consumption for the house is low: only 60 litres a person a day compared with an average of 150 litres a person a day.
Study: Huge windows allow maximum daylight to pour into the room at the top of the three-story house. The parquet flooring was salvaged and laid by Will Anderson himself, which he says was a 'nightmare' job.
Garden: The pond in the completed house. Rainwater is collected but only for garden use
Living room: The living area is furnished with secondhand furniture - Will Anderson's four cats particularly appreciate the underfloor heating.
The completed house: All the hard work pays off. The sycamore, which inspired the Tree House name and the design for the gates, can be seen to the right.
This piece originally appeared in The Guardian.
Read the article in it's entirety here, and be sure to check out the photos.