Paul Jennings of Aldas was on site on Friday to carry out the first air permeability test of the Mayville Community centre. Although a little later than expected, the building recorded a result of 0.53 air changes per hour at 50 Pascals (using the rigorous Attma standard 2007 methodology) – the first non-domestic retrofit result that we know of to reach the passivhaus requirement.


The Department for Environment, Food and Rural Affairs issued a smog alert for England and Wales as the public get into their cars and drive around or fly out of the country.

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