Dr Jerry Harrall’s independent evidence based research has produced compelling data supporting the exceptional performance of high thermal mass buildings providing a blue-print for a new generation of fossil fuel free buildings.

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Gary andÊKeron Lawson walk in the garden of there earth sheltered home at Ê21 Fellowes Road, Honingham in Norfolk, designed by jerry harrel of search architects, long sutton, lincs: photo © Andrew Weekes 2006. Moral Rights Asserted. This work may not be reproduced without the permission of Andrew Weekes: tel: 07836 566295