doors - passivehouseplus.co.uk

Barn retrofit achieves 0.18 ACH with bi-fold doors

A deep retrofit project in Lancaster has achieved possibly the best ever airtightness result in the UK for a retrofit project. Designed by leading passive house architect Mark Siddall, Shepherd’s Barn is a super insulated, low energy barn conversion which incorporates high standards of airtightness and an MVHR system.

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