Project Description. Projected build start date 18 Mar 2013 Projected date of occupation 11 Nov 2013

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1 Project name Coventry Eco House Project summary A project vision for Coventry & Warwickshire FORCE Group to design and build two 3 bedroom detached houses for Orbit Homes that met the needs of the local community and to comprehensively assess the effects of building to UK Code Level 6 and to Passivhaus standard within a restricted budget. Both houses have received Passivhaus certification and one built to Code Level 6. Project Description Projected build start date 18 Mar 2013 Projected date of occupation 11 Nov 2013 Project stage Occupied Project location Coventry, West Midlands, England Energy target PassivHaus Build type New build Building sector Public Residential Property type Semi-Detached Existing external wall construction Softwood frame Existing external wall additional information Beattie Passive timber frame construction Page 1

2 Existing party wall construction Floor area m² Floor area calculation method PHPP Building certification Passivhaus certified Project team Organisation Project lead Client Architect Mechanical & electrical consultant(s) Energy consultant(s) Structural engineer Quantity surveyor Other consultant Contractor Orbit Orbit/ Beattie Passive Orbit ASD Architecure Building Services - Total Home Environment Helen Brown, Encraft Certifier - BRE Beattie Passive Construction Ltd Design strategies Planned occupancy Six (6) Space heating strategy Water heating strategy Fuel strategy Renewable energy generation strategy Passive solar strategy Space cooling strategy Daylighting strategy Ventilation strategy Airtightness strategy Strategy for minimising thermal bridges Modelling strategy Insulation strategy Other relevant retrofit strategies Other information (constraints or opportunities influencing project design or outcomes) Vokera Linea One, Combi wall condensing gas boiler, 89.2% efficiency, supplying hot water and space heating Ventilation: Genvex GES Energy 1 MVHR, 76% efficiency Energy use Fuel use by type (kwh/yr) Page 2

3 Fuel previous forecast measured Electri c Gas Oil LPG Wood 6050 Primary energy requirement & CO2 emissions Annual CO2 emissions (kg CO2/m².yr) Primary energy requirement (kwh/m².yr) previous forecast measured Renewable energy (kwh/yr) Renewables technology forecast measured - - Energy consumed by generation Airtightness ( 50 Pascals ) Date of test Pre-development airtightness - - Test result Final airtightness Annual space heat demand ( kwh/m².yr ) Space heat demand Pre-development forecast measured Whole house energy calculation method Other energy calculation method Predicted heating load Other energy target(s) PHPP 10 W/m² (demand) Building services Occupancy Space heating Hot water Ventilation Controls Cooking Page 3

4 Lighting Appliances Renewables Strategy for minimising thermal bridges Building construction Storeys Volume Thermal fabric area Roof description Roof U-value Walls description Walls U-value Party walls description Party walls U-value Floor description Floor U-value Glazed doors description Beattie Passive Cold Pitched Roof 244mm with 100mm K5: 9.5mm Chipboard, 100mm Kooltherm K5EWB, 18mm chipboard, 12mm Versapanel, Low thermal res Platinum Ecobead 47mm, High thermal res Platinum ecobead 150mm, Low thermal res Platinum Ecobead 47mm, Polythene, 10mm Versapanel, 12.5mm Gyproc Duplex wallboard 0.08W/m² K Beattie Passive Walls 244mm with 100mm K5: Brick 103mm, Kooltherm K5EWB 100mm, Versapanel 12mm, Low thermal res Platinum Ecobead 47mm, High thermal res Platinum ecobead 150mm, Low thermal res Platinum Ecobead 47mm, Versapanel 12mm, Polythene, Gyproc wallboard 12.5mm 0.08W/m² K Suspended ground floor, Beattie Passive Floor slab: Platinum Ecoslab foundation 100mm, Platinum Ecobead 100mm, 25% concrete Platinum Ecobead 47mm, 12.1% concrete Platinum Ecobead 100mm, 16.7% timber Platinum Ecobead 47mm, Chipboard 18mm, Platinum floorshield 25mm, Chipboard 22mm 0.07W/m² K Glazed doors U-value installed Opaque doors description Opaque doors U-value Windows description Windows U-value Windows energy transmittance (G-value) Windows light transmittance Rooflights description Rooflights light transmittance Munster Passiv Futureproof upvc Munster Passiv Futureproof upvc 0.79W/m² K installed Munster Passiv Futureproof upvc 0.75W/m² K installed 61% Page 4

5 Rooflights U-value Page 5

6 Project images Page 6