House Summary

Owner(s):

John Christophers

House Type:

1840's semi detached

Carbon saving:

100%

Measures installed:

• Triple glazed with low E glass (double argon filled)
• Internal insulation warmcell 350mm to 500mm (in the existing house)
• External rendered 280mm Neopor insulation (rear of existing & extension)
• Front room, first floor, brought ceiling down by 450mm beneath old timbers and filled with warmcell
• Installed new triple-glazed rooflights
• Roof insulated to a value of 0.08
• Extension: 250mm underfloor rock floor insulation
• Whole house MVHR.  (Hope to use in winter, but turn off in the summer and use natural ventilation.  System is 93% efficient.)
• No central heating
• Wood stove with additional coil into 1000 litre thermal store
• 8.8sq m of evacuated tubes for hot water heating providing 5150 kWh/year
• 25sqm PV providing 5.04kWp
• Low energy lights
• Rainwater harvesting (tank in the basement)
• Reclaimed materials used (reclaimed wood, reclaimed door handles)
• Using renewable energy from Green Energy UK
• "Zero carbon" to Code for Sustainable Homes level 6
• Winner of the 2010 RIBA Architecture Award