What is the performance gap?
The performance gap is the common term used for the gap between predicted and as-built performance. It has been demonstrated by a wealth of evidence, including a government-funded £8 million research programme by Innovate UK into building performance. In 2012, the Zero Carbon Hub was commissioned by the government to lead a comprehensive review of the performance gap. The report, called ‘Closing the Gap Between Design and As-Built Performance’ set out the ‘2020 ambition’ for industry to be able to demonstrate that 90% of all new homes meet the designed energy performance. Determining the size and origin of the gap was a key aim for the report, and it also highlights ...
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