Going A1-rated & certified passive lifts build costs by 0.1%
The extra cost of building to certified passive house levels – while also scoring an A1 BER – is as low as 0.1%, research at Ulster University has shown.
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A rating - passivehouseplus.co.uk
18th century ruin becomes stylish low-energy home
Homeowners Anne and Patrick Jordan’s ambitious upgrade and extension project in County Kildare took the shell of an 18th century farmhouse and transformed it into an elegant family home with a striking-yet-sensitive modern extension — all while embracing a healthy and fabric-first approach to retrofit combined with clever heating system design that has brought them from a G to an A3 rating.