
Project Type
Scope
Storeys
Location
Year
Residential
Timber-framed house with complex hillside foundations
2
Brooklyn
2019
DTCE provided structural design for a new two-storey timber-framed house, situated on a steep site in a SED wind zone, together with a detached garage and elevated car deck. The project included the design of reinforced block masonry retaining walls, Titan ground anchors, and the primary structural systems required to resist gravity, wind, and seismic loads.
The house sits on a steep hillside near a historic gully, requiring careful coordination with geotechnical engineers to develop a robust foundation system. Large-diameter auger piles keyed into rock, combined with ground anchors and reinforced concrete ground beams, stabilise the structure and manage localised slope pressures.
The project also included timber floor structures, structural bracing systems, reinforced block retaining walls, external decking, and a partially open garage with a steel portal frame to provide lateral stability where conventional bracing walls were not feasible. Designed for an Extra High wind zone, the floor diaphragms and wall bracing carefully distribute lateral loads, ensuring resilience to gravity and seismic forces.
Our meticulous process involved multiple iterations of calculations and structural detailing, culminating in the completion of the formal Building Consent package.




