Renovation
When Do You Need a Structural Engineer in Singapore?
Most renovations don’t need an engineer — but some absolutely do, and skipping that step can be dangerous and illegal. Knowing when a Professional Engineer (PE) is required protects your home and your project. Here’s a guide.
Key takeaways
- A structural engineer is needed when works affect the building’s structure.
- Typical triggers: removing load-bearing walls, extensions, new openings, added storeys.
- Their design and endorsement are part of the approval process.
- Cosmetic and non-structural works generally don’t need one.
When you need one
Engage a Professional Engineer whenever works touch the structure: removing or altering a load-bearing wall, forming a new large opening, building an extension or attic conversion, adding a storey, or anything that changes how loads are carried. These are A&A works requiring proper design.
What they do
The engineer assesses the structure, designs the solution (for example a beam to carry a removed wall), and provides the endorsed drawings and calculations that form part of the approval submission. Their sign-off is what makes structural work safe and compliant.
When you don’t
Cosmetic and non-structural works — finishes, non-load-bearing partitions, carpentry, painting, most bathroom and kitchen renovations — generally don’t need an engineer, though they may still need contractor permits.
Frequently asked questions
Do I need an engineer to remove a wall? If it’s load-bearing, yes — a PE designs and endorses the solution.
What works need a structural engineer? Structural changes — load-bearing walls, extensions, new openings, added storeys.
Do cosmetic renovations need one? No — non-structural works generally don’t, though permits may still apply.
Why does it matter? Skipping structural design risks safety and is non-compliant.
Planning structural works?
We coordinate structural design and approvals as part of your project. See our A&A works or hacking & masonry. Book a consultation.
