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Detached single family house in Norwich, UK

The house in Norwich
Case study
United Kingdom

Detached single family house in Norwich, UK

An off-grid, timber-framed barn replacement in Norwich features sustainable design, cellulose insulation, rainwater harvesting, and a 12 kWp PV system with battery storage, achieving exceptionally low energy demand.
Luca Papapietro

A self-build barn replacement in Norwich (UK) utilises sustainable construction and off-grid energy solutions. 

The timber-framed, cellulose-insulated house (219 m²) features a first-floor within the roof, maximising space under planning constraints. 

Its thermal envelope includes highly insulated walls, floors, and roof.

Powered by a 12 kWp PV array and 30.8 kWh battery, it operates off-grid with rainwater harvesting for WC flushing. 

Mechanical systems include efficient ventilation, post-heaters, and insulated water storage, achieving minimal energy demand (14 kWh/m²a).

Photo by Ground Designs

Geographic coverage
Local (city or municipality)
Original Author
Passive House Database
Original source: