At NYN Engineering, we deliver expert engineering solutions for alterations, extensions, and structural upgrades to existing buildings. Our focus is to ensure that every modification enhances the building’s safety, functionality, and compliance while maintaining the integrity of the original structure.

We carry out detailed assessments to evaluate the load capacity and performance of existing elements before recommending appropriate strengthening or redesign measures. All assessments and design documentation are prepared in line with Australian Standards and relevant council requirements.
Through a combination of technical analysis and practical design judgement, we help clients achieve efficient and compliant outcomes—ensuring existing structures can safely support new loads, layouts, or architectural changes.
Main services include:
- Structural Modifications & Alterations – tailored engineering solutions for expanding and upgrading existing facilities, while maintaining structural integrity.
- Design for Alterations & Additions – including wall removals, additions, new basements or first floors, revised architectural layouts, and foundation strengthening.
- Remedial Building Services – addressing structural defects, deterioration, and non-compliance issues through engineered repair strategies.
- Design of Mezzanine floor structures.
- Check for adequacy of existing structures.