Energy Efficiency

Wunderhaus is arguably the best-performing domestic building on the market; it easily meets the Government’s legislative 80% carbon reduction target for the building industry, while its Passivhaus standard ensures peerless thermal performance, so efficient that it feeds energy back to the grid.

Wunderhaus is a zero energy house, with an MVHR system providing continuous fresh filtered air, recovering 93% of the heat provided by a 5kW air source heat pump for underfloor heating and hot water.


A virtually invisible, revolutionary photovoltaic energy system provides 11.5 KW of electricity.

Energy is stored with 13.5kWh battery, which can also provide power in case of a power cut.

A dedicated electric vehicle charging point is provided.

  • Zero energy house

  • No energy running costs

  • EPC rating A 114 points

  • 11.5kW invisible PV solar panels

  • 13.5kWh battery

  • An MVHR system with 93% heat recovery and 24/7 filtered, pollen free fresh air

  • 5kW air source heat pump for underfloor heating and warm water

  • Measured Air Permeability 0.64 m3/(h.m2) @ 50 Pa
  • Triple glazed windows with thermal insulation at 0.78 W/m2k
  • External wall 0.10 W/m2K
  • Floor 0.13 W/m2K

  • Roof 0.11 W/m2K
EPC 114A