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Fendalton House

Fendalton House

Wilson & Hill
Christchurch, New Zealand

Fendalton House

Wilson & Hill as Architects

In 2005 Wilson and Hill Architects were commissioned to design this family House on a site facing the Avon River in Fendalton. An important part of the clients brief was that the House have a high level of energy efficiency and be environmentally sustainable. The House was computer modelled during the design stage to ensure its energy efficiency. The House is constructed with exposed thermomass concrete panels with an acid finish, concrete floors, baked Hinuera stone and cedar weatherboards. The roof fascia and soffits are ‘bronze’ composite panel. The ground floor living rooms and guest bedroom open onto a north facing courtyard containing a swimming pool and spa. The first floor contains bedrooms and Mezzanine Living area with the Master Bedroom suite being accessed via a ‘bridge’ over the double height space. The sustainable and energy efficient features included in the design are

Thermally broken aluminium window frames (APL ‘Thermal Heart’) with high spec double glazing of soft coat low E outer panes (imported from Germany), clear laminate internal panes, Thermix warm edge spacers with argon gas fill.

Solar heated hot water Oversized roof top tube collectors with a 500 litre hot water cylinder and diversion to heat exchanger into the swimming pool. The hot water is distributed by fully insulated ring main.

Multi zoned infloor circulating hot water system heated by a heat pump with each zone controlled by a wall mounted thermostat which senses both the air and the floor temperature.

Roof mounted photovoltaic cells generating electricity (roof mounted) that is fed back into the grid.

High levels of insulation High levels of insulation in walls, beneath the floor slabs and in the ceiling space. eg (2) layers of R2.6 fibreglass insulation batts to all ceiling cavities.

Thermal storage utilising thermal mass Thermomass insulated precast concrete walls and floor slabs provide large amounts of thermal mass that store heat and even out external temperature fluctuations.

Lighting The majority of the light fittings are lower power long life fluorescents fittings.

Rainwater harvesting Stormwater collected off roofs and hard paved surfaces stored in in-ground tank and used for irrigation and flushing of WC’s.

Passive design Cross ventilation utilising temperature controlled automatic window openers, electronically operated tilting louvers, sufficient eave overhangs to provide solar shading when required through the year.

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