The energy efficient homes, at St Katherine’s Field in Cradley were designed to embrace Zero Carbon by 2016. Forward thinking IE Developments (IED) wanted to tackled the “carbon challenge” using the German PassivHaus approach which lays down some clear guidelines and targets. The aim was to create high specification properties that perform as energy efficient homes, without the need for expensive bolt-ons and renewables.
St Katherine’s field is a development of 7 sustainable and energy efficient properties situated at the edge of the Malvern Hills on a Greenfield site. At the specification and design stage IED worked closely with their architects, Architype, who specialise in the design of highly energy efficient and ecologically sensitive buildings based upon PassivHaus principles. They created the ‘HerefordHaus’ system of 1) An effective thermal envelope 2) Reduction of thermal bridging 3) Air tightness 4) MVHR ventilation systems.
As part of the carefully engineered design, warm cell insulation was used, as was an insulated German foundation system, triple glazed timber windows and John Brash Cedar Shingles for the roof covering. Shingles were chosen for the project for their wonderful natural appearance, environmental credentials, thermal properties, as well as being legally and sustainably procured.
Shingles are a truly renewable and sustainble roofing and cladding material. They have one of the lowest carbon footprints of any widely used building material – they are a nett carbon sink – storing more carbon than is emitted during harvest, manufacture and transport.
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