奥玛塔海滩别墅丨新西兰丨Herbst Architects

Architects:Herbst Architects

Area:358m²

Year:2022

Photographs:Simon Wilson

Manufacturers:Vitrocsa,Guyco,Stonecraft

Lead Architects:Lance Herbst, Nicola Herbst

Contractor:Bell Construction

Structural Engineering:Sullivan Hall Chartered Engineers

Landscaping:Jared Lockhart

Assistant Project Architect:Sianne Smith

Country:New Zealand

Text description provided by the architects. The site for the beach house is a spectacular isolated bay on the coast of Northland, fringed with ancient Pohutukawas and contained by steep hills covered in native bush. The design challenge was to insert a new structure into the pristine environment in such a way as to be as unimposing and sympathetic as possible.

The building replaces an existing dilapidated bach on the site which was positioned up against the steep embankments of the bay, geotechnical investigation of which exposed a high level of threat from large rocks being dislodged by seismic activity as well as slips from high rainfall events.  In addition, an inundation report was prepared which established a minimum relative level for the building to be safe from ocean storm surges and medium-term sea level rise, being 6m above the current high water mark. These two factors drove our thinking on how to site the new building and embed it into the landscape, the first task was to design the land to receive the building.

As well as the need to move the building away from the steep embankments from a safety perspective was the desire to move the building away from the shade of the hills and into the sunnier part of the site available to us, this established the extent of the area that required lifting to the 6m RL.

The concept that emerged had its seeds in the rocks that are embedded throughout the embankments behind the site, we imagined a low rock sea wall that rolls out from the curve of the embankment to form a right angle in the plan and a sharp horizontal line in elevation which establishes a plinth which is filled to level and onto which, and within the functions of the house are placed.

In order to reduce the scale of the structure we broke the program of the house into three basic components: living, sleeping, and storage. The sleeping and storage functions we articulated as part of the plinth rather than of the building, low, clad in rock with a sharp horizontal parapet line as for the plinth and burying itself into the slope of the embankment at either end of the right angle.

The living pavilion is a light timber structure with glass on three sides that presents itself as a roof floating above the plinth, its slumped curved form softens its impact and raises the line of view from within to the ocean and its headlands and the hills behind respectively. A layer of spaced timber battens traces the edge of the form and creates an edge to the lanai space, further sliding shutters allow screening from the prevailing winds in both directions.

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