Modernist EnerPHit – RDA Architects

The Modernist EnerPHit house by RDA Architects has been shortlisted for the AJ Retrofit Awards 2024. This retrofit project in South London pushes the boundaries of sustainable design while revitalising an iconic 1960’s building.

The homeowner, who is also an architect, wanted this 1960s modernist house (designed by Michael Blackstock) to be restored, combining the original design aesthetic with a contemporary approach. The three storey property was designed in the ‘upside-down’ style common in the 1960s, with an open plan living space and terrace sitting above the bedrooms on the first floor and ground floor parking and utility area. 

To improve the energy efficiency of the house, and achieve EnerPHit standard highly efficient insulation was introduced; new windows and doors were fitted to improve airtightness – reducing heat loss and therefore providing a high level of comfort throughout the house. Implementing the EnerPHit standard provided a reduction of up to 83% in heating bills and is a pioneering retrofit approach in bringing the housing sector towards zero carbon emissions by 2050. 

Photograph – Timothy Soar

AJ Retrofit Awards 2024 – Decarbonisation and Net Zero – Shortlisted

UK Passivhaus Awards 2023 – Finalist

British Homes Awards 2023 – Shortlisted

RIBA Journal article can be seen here.

Homebuilding & Renovating article can be seen here.

Passivhaus Trust article can be seen here.

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