Hagley Windows & DoorsCommercial / Industrial / Office

Project Management
Fabrication Design
Building Information Modelling
Quantity Surveying


Project Floor Area:  10,000
10,000 m2
Project Budget: 9,000,000
Project Year: 2017

Hagley Windows and Doors have steadily grown to become the largest and most respected manufacturer of residential aluminum joinery in the South Island. Their growth demanded new facilities to better suit their manufacturing scale, manufacturing requirements, staffing levels and introduce a superior custom showroom for their local clientele. Our team of experts at Kirk Roberts were engaged to provide structural, geotechnical and fire engineering design services in conjunction with the full architectural design, from preliminary concepts right through to full working drawings. By combining these services at Kirk Roberts our client realised the benefits from minimising mistakes and maximising time and cost efficiencies.

The project comprised of 3 main buildings to deliver a complete custom solution to our client;

  • Two storey office with mezzanine/atrium spaces for showroom and client functions to showcase their range of aluminum windows and doors.
  • Two manufacturing buildings to better suit their scale and provide excellent working conditions for their staff

“By combining these services at Kirk Roberts, our client realized the benefits from minimizing mistakes and maximizing time and cost efficiencies”


We worked with the client from the preliminary stage to ensure that the building could cater for the equipment and processes the client required. This included helping the client look at potential site options as their process requirements grew too extensive for the site they had originally identified. Site feasibility studies were completed to find the right site with the most suitable ground conditions. The initial geotechnically difficult site had meant the foundations costs were a substantial consideration and we invested time to ensure the new site would not have this complication yet still allow for cost effective ground works and foundation solutions.


Our architectural design demanded large atrium spaces and direct connection from production offices to the manufacturing floor. For the fire engineering design to succeed close collaboration was key between our fire engineers and our architectural designers.

Our Architectural Designer and Fire Engineer worked closely together to give our client the right solution. In addition to the design, the production area became too big to fit into the acceptable solution so the verification method was used to achieve compliance. A number of different fire detecting methods were considered and an aspirating system was used in the factory to ensure the manufacturing processes could continue without activating a typical detector system.


The two-storey office building is an integration of structural and architectural concrete with timber. It features acid washed precast panels and fins with curtain wall glazing to the exterior, with an internal feature LVL timber support structure for the roof and mezzanine. The central glass lift with a timber and steel staircase finishes off the sophisticated space.

The manufacturing area consists of two buildings. The main building, which is connected to the office building, is a large open portal framed building allowing for the streamlining of production for residential glazing and the expansion into commercial glazing. The second building is a stand-alone building for work on timber reveals and a workshop for maintenance of machinery. The buildings are clad in Conqueror panel to obtain the full advantage of an insulated PIR panel to provide a comfortable working environment.

We know our client valued our departments teamwork to deliver their superior built environment, from preliminary design right through to the opening of their new premises.

We are solution finders