BNZ Warkworth New Build

Construction of a new two-storey building with BNZ as lead tenant; Extensive seismic strengthening of a heritage, former bank building; Fitout of new ground-floor bank store and fitout of second-level office within heritage building.

Relocating Bank of New Zealand (BNZ) staff from their two-storey, 1930 art deco building into new premises was a key part of this three-staged project at Warkworth, north of Auckland. After demolition work to remove a 1982 addition and other small buildings, we constructed a new, two storey building next door to the bank’s existing heritage building premises. Our teams fitted out the front ground floor tenancy so they would be ready to accommodate the banking staff and its customer service areas. Today, there are three other tenancies in the new building, which has BNZ branding over its frontage.

After the bank’s business and staff were relocated, we began seismic-strengthening of the floor diaphragms and installing additional steel brackets and braces throughout the building to secure its masonry walls and chimneys. We carefully removed existing skirting and fitted steel angles to the brick walls to tie to the floor diaphragm. We replaced the roof, and re-plastered, re-skimmed and fully repainted the triple-brick heritage building, and tidied up the lower tenancy space ahead of future occupants.

A specialist Q Interiors team fitted out the old bank’s upper level, which was originally a residence, creating an open-plan office space for the incoming tenant that preserved many heritage features such as the wooden floor, ceiling layout and historic scotias.

Tipling Trust
Project Value
April - December 2014
Rowe Baetens
Structure Design

How we made a difference

  • Consulted extensively with the main tenant to ensure the business relocation was completed on scheduled
  • Liaised closely with a heritage Architect to ensure seismic strengthening and other refurbishment work on the former Bank of New Zealand art deco building was done correctly and sensitively to satisfy Auckland Council’s heritage and structural requirements
  • Helped to preserve the heritage of the existing building while allowing it to function as a modern workplace connected to a new build constructed next to it.
  • We fulfilled the Architect’s brief for detailing to deliberately mark were new interventions intersected with restored building elements

The details

The new building was constructed of precast concrete panels featuring an architectural woodgrain effect. A covered walkway bridge connected the upper floor to the heritage building next door, passing over a pedestrian lane created at street level to separate the two buildings, and alongside a new glass-covered courtyard between the new building’s front and rear tenancy spaces. Glazing was used extensively for the street-front canopies and a lift was installed to connect the two levels.

We shrink-wrapped the whole heritage building structure next door to keep it watertight while removing the roof and completing other strengthening, construction and refurbishment works.

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