House Summary

Owner(s):

Peter and Elizabeth Downs

House Type:

1778 converted mill

Carbon saving:

66%

Measures installed:

• 16 sliding sash windows replaced with wooden double-glazed replicas
• 16 casement windows similarly replaced
• All single glazed windows on East elevation replaced with double glaze curtain wall
• Loft insulation: 250 mm sheepswool insulation to replace degraded 50mm mineral wool
• Roof insulation: all new roof sections have rigid foam plus mineral wool in ceiling void
• Floor insulation: ground and first floor insulated with rigid foam (and mineral wool acoustic insulation)
• Thermal solar panels: 40 vacuum tubes
• Micro-hydro turbine generating max 4.5 kW and part driving water source heat pump for underfloor heating
• Low energy lighting: mostly compact flourescents, some LED spots and LED emergency exit signs
• All appliances are minimum A rated
• Hob has been replaced with induction unit
• Rainwater collection for flushing toilets
• Zero VOC paints and wood treatments used for all new plaster and wood
• Potentially zero carbon footprint depending on electricity imported for heat pump during winter versus electricity exported during summer