Hempcrete house, Waipu, Northland

Simple and petite, off-grid hempcrete home to be owner built in Waipu, Northland. The overriding design consideration was ease of build-ability, whilst using beautiful natural materials.

The site has lovely views of rolling hills down to the ocean, with the Hen and Chickens Islands off in the distance.

A verandah wraps the home on three sides, to protect the lime rendered hempcrete walls. There is a pergola extending out from this verandah on the western side that grape vines may be trained over in time. On the south side, there is no verandah, so the hempcrete here will be clad in burnt and oiled heart cypress timber cladding for durability.

Timber joinery will be used throughout, as will be exposed, large, reclaimed timber beams.

Clay plaster will finish most of the walls and ceilings internally, and tadelakt will be used in the wet areas.

The house is to have an earthen floor for passive solar design, and the construction will use a small cut and fill, to hunker the building into the site.

We are hoping to use Doug Sturrock's local, magnesium based hempcrete binder, with South Island hemp shiv.

This design is still a working concept, and there are a few changes to make as we progress to the next stage.

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