Houses top green and sustainable building list
Government figures show houses were the best-rated examples of green and sustainable building in the first quarter of the 2010-11 financial year based on the Standard Assessment Procedure (SAP).
Between April and June, houses scored the highest rating in England at an average of 80.1, with bungalows lowest at 77.5, figures from Communities and Local Government show.
In Wales, the poorest examples of green and sustainable building were maisonettes at 68.0.
However, the best examples were not houses, but flats, which scored 80.0 on average.
The SAP for dwellings' energy rating gives an indication of how much power is used and wasted by their heating and hot water systems.
It typically ranges from zero to 100, with the upper end of the scale representing properties with no net consumption of energy in their hot water or heating systems.
However, dwellings with on-site energy generating facilities can become a net exporter of power to the national grid, achieving a rating above 100 as a result.
Posted by Rachel King
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