What type of insulation, and why?
DID you see that article in the Guardian newspaper about the relatively new social housing in Norwich – Goldsmith Street (https://www.theguardian.com/society/2022/dec/09/social-housing-heating-bills-passivhaus-goldsmith-street-norwich?CMP=share_btn_tw). It seems that all one requires of a house is 60cm-thick insulation and triple-glazed windows (presumably accompanied by some form of mechanical ventilation, with heat recovery) and you’re sorted, keeping energy bills down to pretty much zero. No mention of what type of insulation, though. Any suggestions, and why?
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