SDS Engineering provides engineering design, documentation and certification for all residential developments. These include:

  • New residences
  • Dual-occupancy dwellings (duplex)
  • Apartment building developments (residential unit buildings)
  • Multi-unit and townhouse developments
  • Secondary dwellings (granny flats)
  • Alterations and additions to existing dwellings

We offer complete in-house design of all engineering aspects of residential developments. Our experienced team will oversee the engineering requirements of your project from conception to settlement. We collaborate thoroughly with architects, project managers, builders and other consultants, in ensuring time and cost overruns are prevented. Our engineering services pertaining to residential developments include:


  • Foundations, footings and slabs
  • Reinforced concrete structures
  • Permanent formwork systems (AFS, DINCEL)
  • Structural steel framing
  • Timber framing
  • Shoring walls
  • Reinforced concrete retaining walls
  • Gravity retaining walls
  • Sewer encasement detailing


  • Site classification to AS2870-2011: Residential Slabs and Footings
  • Geotechnical investigation reports to AS1726-1993: Geotechnical Site Investigations
  • Recommendations pertaining to foundation design and geotechnical design parameters
  • Recommendations pertaining to excavation, batter slopes, shoring and retaining walls
  • Recommendations pertaining to groundwater levels, intrusion, drainage and dewatering techniques.
  • Slope stability and risk assessments


  • Stormwater system design
  • On-site Detention design
  • Hydraulic modelling (ILSAX, Rational Method)
  • Water Sensitive Urban Design (MUSIC Modelling)