New Christchurch building for Corbel Construction features a perforated aluminium facade

Corbel Construction offices in Christchurch designed by Beca features perforated aluminium facade that references an 1870s street map

New buildings are changing the face of Christchurch architecture, building, commercial building, condominium, corporate headquarters, facade, headquarters, metropolis, metropolitan area, mixed use, neighbourhood, real estate, residential area, teal, black
New buildings are changing the face of Christchurch as the post-earthquake rebuild progresses. The new offices of Corbel Construction, designed by Beca, feature a decorative perforated aluminium facade that alludes to the past.

In a city centre laid bare by earthquakes, it's not surprising to see a new architectural language emerging and it's a voice that speaks to the past as well as the future.

This Christchurch office building, which is the new home for Corbel Construction, is one of the first post-earthquake buildings to go up on a brownfields site in Lichfield Street.

Architect Graham Crust of Beca says the barren landscape made it challenging to find a context for the architecture.

"The main concern was working out what to do with the exterior envelope," he says. "There was no way of knowing exactly what the future context could be. But we knew we needed to future proof the design and allow for the possibility there could be high precast concrete panels going up on a building next door."

The solution was influenced by several factors, including the nature of Corbel Construction's own business. Co-director Mark Wells says the company wanted a building that would showcase its skills.

"We wanted the building to make a statement it needed to be a conversation piece. And we liked the idea that it would reference our work."

Crust says the design team looked to provide visual keys that would reference this, and came up with the idea of a 1200mm by 2400mm panellised exterior.

"Then we considered CNC routing, which in turn led to the idea of a perforated aluminium facade that sits out from the building. This gave us an opportunity to enliven the building be a little whimsical in a relatively hard environment."

Coming up with a suitable pattern for the facade was more serendipitous. Crust says the design was inspired by an 1874 map of Christchurch located by senior designer James Pearse.

An open-plan work environment reflects Corbel Constructions collaborative architecture, daylighting, interior design, gray
An open-plan work environment reflects Corbel Constructions collaborative team approach. Exposed beams and services and a floating central staircase highlight the nature of the companys business. The design is by Beca.

"This gave us an historical overlay, which we could wrap around the front and the sides of the building. It also provides topographical references to key features in the region, such as the braided rivers, and references the Port Hills."

Spacers set the aluminium facade 50mm off the wall behind, which is clad in ironsand-coloured Titan Rainscreen panels.

"We framed large cedar balconies on both sides of the building to add visual softness," says the architect. "Christchurch at present is a bit rugged and hard edged, so this provides a little balance."

The cedar is angled upwards at the top of the window, like a picture frame, to lift the eye up to the sky and it allows more light to flood the interior.

"This was also a way to exemplify Corbel Construction's strong craftsmanship ability a theme that continues on the interior," says Crust.

Mark Wells says the office, which brings together staff from two separate buildings, needed to be an open-plan, collaborative space.

"We originally envisioned a converted warehouse look with old trusses and exposed steel girders, but the roof height was too low. That concept was a strong influence, however."

In addition to exposed steel I-beams, cable trays and trusses, structural bracing around a void is exposed.

"We wanted the building to impart a certain construction honesty, without being brutal," says Crust. "There are clear references to the nature of Corbel's work on the interior as well as the exterior."

A twisting central staircase provides a dramatic centrepiece daylighting, floor, flooring, glass, interior design, wood, gray
A twisting central staircase provides a dramatic centrepiece for the new offices of Corbel Construction in Christchurch, designed by Beca.

These include a floating sculptural timber staircase that twists its way down the centre of the office, making a grand design statement and providing the desired wow factor. It also highlights a more challenging aspect of the design from an engineering and construction viewpoint.

"Several walls are lined with American oak, which reinforces the sense of craftsmanship" says Crust. "Some of these walls incorporate hidden doors, highlighting the company's expertise in shopfitting."

The glass-walled boardroom is framed in American oak, so it resembles a container-like box suspended above the void.

"There is a strong sense of transparency and a team culture in the office," says the architect. "When we started working on the plan, we allowed for several offices, but these were deleted, with the executive staff preferring to be part of the team."

The attention to detail that characterises the company's work is also evident in the interior, which was a collaboration with interior designer John Gaynor at Indesign Architecture.

For example, the formwork pattern left exposed on the concrete wall panels is perfectly aligned with the grain of the American oak.

"All these elements help to reinforce Corbel's philosophy it is proud of this city and proud to be part of the rebuild."

Credit list

213 Lichfield St, Christchurch
Interior designer
John Gaynor, Indesign Architecture
Civil engineer
Keith McGregor
Fire consultant
Texture Plants
Perforated aluminium facade manufacture
Glazing system
Admire Commercial
Vinyl flooring
Karndean Carbo; Tarkett Optima
Oak veneer in reception
Corbel Joinery
Beca – design team Graham Crust, James Pearse, Tim Graham, Lachlan Munroe
Structural engineer
Andy Lind, Engco
M&E engineer
Design & Build Project
Construction company
Corbel Construction
Perforated marine-grade aluminium over Titan Rainscreen cement sheet; rain-shield cedar shiplap
Window and door joinery; skylights
Carpet tiles
Sumi Leaf by Robert Malcolm
Paints and varnishes
Resene; Dulux

Story by: Colleen Hawkes

Photography by: Jamie Cobel

30 Apr, 2015

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