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Ibis House – Nine flat London eco retrofit


Ibis House project was awarded with the “Regional Small Scale Project of the Year” for the Greater London region in the Energy Efficiency and Retrofit awards 2016.

We were engaged by this serviced apartment operator for this project to convert office accommodation into nine high end, low energy apartments suitable for sale or rent in Richmond. The clients wanted to ensure that the building was as comfortable and quiet as possible (it’s under the Heathrow flight path) and, as it was responsible for ongoing utility costs, to ensure that they were kept low.

greentomatoenergy provided the initial energy design brief, triple glazed sash lookalike windows, solar PV, low energy design and detailing and overall project management.

The very low heat demand of the building (17 W/m2) meant that up to 10 W/m2 could be delivered by hot air heating with the remaining 7W/m2 provided by electric towel rails in the bathroom. This enabled an all electric system using GENVEX 185 Combi which provide hot air heating, stored hot water and a MVHR capability in a single package using an exhaust air heat pump.

This specification was only possible because of the building’s high fabric quality and resulted in a saving of over £100,000.

  • The rear of the property will become the new entrance area - Ibis House
  • Triple glazed energy efficient windows - Ibis House
  • Triple glazed energy efficient windows - Ibis House
  • Living room - Ibis House
  • Blue sofa by the window - Ibis House
  • Bedroom - Ibis House
  • Furniture - Ibis House
  • Bathroom - Ibis House
  • Furniture - Ibis House