Code for Sustainable Homes ~ December 2006 (DCLG)
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The Code measures the sustainability of a home against design categories, rating the ‘whole home’ as a complete package.
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The design categories included in the Code are :
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energy/CO2
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water
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materials
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surface water run-off
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waste
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pollution
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health and well-being
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management
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ecology
A home can achieve a sustainability rating from one (*) to six (******) stars, depending on the extent to which it has achieved Code Standards.
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The Code uses a sustainability rating system – indicated by ‘stars’ (*), to communicate the overall sustainability performance of a home.
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One star (*) is the entry level – above the level of the Building Regulations, and six stars (******) is the highest level – reflecting exemplar development in sustainability terms.
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A one star (*) rating is otherwise known as a ‘Code Level 1’, a two star (**) a ‘Code Level 2’, etc, to a ‘zero carbon home’ (ie zero net emissions of CO2 from all energy use in the home) at six stars (******) a ‘Code Level 6’.
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