The Larch House, Ebbw Vale
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Jefferson Smith (website) Download Original
The UK's first zero-carbon (code 6), low cost, certified Passivhaus, built as prototype social housing
Designed for the United Welsh Housing Association and the Building Research Establishment, the three bedroom house has been built 300 metres above sea level in an exposed and misty hilltop location in Ebbw Vale, Wales.
In spite of this, most energy needs are met by heat from the sun, occupants and appliances. The Larch House generates as much energy from the sun in the summer months as it uses for the whole year making it Zero Carbon by UK definition. The Larch House has an estimated income from the feed-in tariff over expenditure, of £1300 a year.
The house incorporates sustainable features both in the finished product and in the building process.
Data
- Completed: Jul 2010
- Floor area: 100m2
- Sector: House
- CO2 Emissions: 13.96kg/m2/year
- Address: The Larch House, Mill Lane / Lon Y Felin, Ebbw Vale, NP23 6GR, United Kingdom
Professional Team 
- Architect: bere:architects
- Client: United Welsh Housing Association, BRE (Wales)
- Services consultant: Alan Clarke
- Substructure engineer : Bob Johnson Structural Engineers
- Main contractor: Pendragon Design and Build
- Quantity surveyor: e-Griffin Consulting
Suppliers
- Heat Recovery Ventilation Design: The Green Building Store
- Timber frame: Holbrook Timber Frame Ltd