OSWESTRY
Near-Passivhaus New Build
Oswestry
Custom New-build
Completed in 2020, a near-Passivhaus new home near Oswestry with heating & hot water bills of £20 per month in 2022
Foundation – custom passive slab with power floated reinforced concrete
Walls – Concrete block construction with Passive Purple spray on airtightness to inside, 250mm WBS EPS External wall insulation with Silicone Render
Roof – 400mm I-joists with exposed glulam ridge beams with reconstituted slate finish and Lindab gutters and downspouts
Insulation – Warmcel recycled cellulose to roof with Compacfoam for thermal breaks
Air tightness: Proclima air tightness tapes and membranes and Smartply Pro Passive
Intermediate floor – 300mm I-joists
Windows & doors – Triple Glazed Passivhaus from Green Building Store
Rooflights – Fakro
Soakaway for rainwater
Custom oak pergolas & beams
Architects:
Simmonds Mills
MECHANICAL AND ELECTRICAL
MVHR – Paul Novus from Green Building Store
Solar – 4.48kW in-roof Solar PV array with immersion switch
Heating – Worcester Bosch gas boiler
Average Air Changes per Hour 0.5/h @ 50PA
More than 20 time better than building regulations!
EPC Rating: A
