GCS provide geotechnical design services to residential developments and have successfully completed projects in the following residential developments:
- Warner Lakes Estate, Warner
- Varsity Heights Estate Stage 2, Reedy Creek
- Hill Close Estate Stage 2, Gladstone
- Jeta Gardens Retirement Village, Bethania
- Worley Drive Development, Gilston
- Vantage Estate Stage 6, Gladstone
- The Springs Stage 5, Augustine Heights
- Mountview Estate, Redbank Plains