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Retrofit case study: Manor Crescent

Sustainability in Practice: Manor Crescent, Berkshire by ECD Architects

Project data

House type 1950s semi-detached
Location Compton, Berkshire
Project team leader Southern Housing Group
Energy consultant ECD Project Services
Construction type Cavity brickwork with cavity insulation
U-values External wall insulation, 0.15 W/m2K; roof insulation at loft level, 0.1 W/m2K; triple-glazed windows, 0.75 W/m2K
Fabric upgrading Airtight seals to windows and existing ceiling; solid ground floor left uninsulated to avoid disruption to occupants
Services upgrading Ground-floor heat pump and new radiators; MVHR; photovoltaic panels;
smart interactive control unit that automatically adapts heating and hot-water supply to occupants’ routines
CO2 emissions before retrofit 227kg/m2/year
Estimated CO2 emissions after retrofit13kg/m2/year, 10kg saved by renewable energy
Percentage reduction 94 per cent

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