10 Questions to Ask Your Renovation Contractor in Singapore in 2026

Your renovation contractor can make or break your project. The right one keeps to budget, communicates proactively, and delivers what they promised. The wrong one goes quiet after the deposit.

At The Design Factory, we've met homeowners who signed contracts after a single meeting and regretted it — not because the firm was dishonest, but because the expectations were never clearly set. These 10 questions change that.

Before You Start: Do Your Research First

Before approaching any contractor, read up. Understanding what a renovation involves — timelines, regulations, material options — puts you in a far stronger position when you sit down with a firm.

Singapore lifestyle platform Top Asia Select has a comprehensive HDB renovation guide that covers timelines, typical costs, and what to expect at each stage. Worth reading before your first consultation.

1. Are You a Licensed HDB or BCA Contractor?

This is non-negotiable. HDB renovations require an HDB-registered contractor. Private property and condo work falls under the Building and Construction Authority (BCA). Ask for their licence number and verify it on the relevant authority's website before you proceed.

At The Design Factory, our licences and insurance certificates are shared upfront. No chasing required.

2. Can I See a Portfolio of Completed Projects?

Any reputable firm should show you completed projects — not just renders. Look for projects that match your property type (HDB 4-room, condo, landed) and your style preferences. Renders are aspirational; completed photos show execution.

Ask specifically: Have you done a project similar to mine in terms of size and budget? This is a fair and direct question.

3. What Is the Estimated Timeline, and What Could Delay It?

A 4-room HDB renovation typically takes 6–10 weeks from start to handover. A full landed house can run 4–6 months. Ask for a phased breakdown — hacking, electrical, plumbing, carpentry, painting, installation — and ask specifically what could delay each phase.

Honest contractors will flag permit lead times, material delivery windows, and public holiday blackouts. Evasive answers here are a red flag.

4. Who Will Be My Point of Contact Throughout the Project?

Is it the designer who sold you the package, or a project coordinator you've never met? Many firms pass homeowners off to a different team post-signing. Find out who manages your project day-to-day, how frequently they'll update you, and what happens if that person leaves mid-project.

At The Design Factory, your designer stays with you from concept through to handover. That continuity is deliberate — the person who knows your brief is the person managing your site.

5. How Many Active Projects Are You Running Simultaneously?

A contractor managing 20 projects at once is spread thin. There's no universal right number — a larger firm with more staff can handle more — but you want to understand whether your project will get adequate attention. Ask how many projects they run per designer or project manager, not just the firm total.

6. What Exactly Is (and Is Not) Included in This Quotation?

Singapore renovation quotes are notorious for exclusions. Common items not included in initial quotes: air conditioning installation, electrician fees, curtain tracks, feature wall lighting, debris disposal (haulage), and GST at 9%.

Ask for a line-by-line breakdown. A professional firm will provide this without being asked. If the quote is a single lump sum with minimal detail, push back.

7. What Materials Are You Specifying, and What Are the Alternatives?

Material choices affect cost, durability, and aesthetics significantly. Ask what laminate grade, tile thickness, and plywood standard they're specifying. For carpentry, ask specifically whether they use E0-grade plywood — the ultra-low formaldehyde standard that matters for indoor air quality, especially in bedrooms and children's rooms.

At The Design Factory, all our carpentry is built in-house using E0-grade plywood as standard. It's not an upgrade — it's the baseline.

8. How Do You Handle Changes After Signing?

Scope changes happen. The question is whether your contractor handles them transparently. A professional firm will issue a variation order (VO) with a revised cost and timeline impact before any additional work begins. If a contractor starts additional work without written confirmation, that's a risk — you may be liable for costs you didn't approve.

Always get change orders in writing, even for small items.

9. Do You Foresee Any Challenges Specific to My Unit?

A contractor who has walked your space should be able to flag potential issues — old electrical wiring that needs upgrading, plumbing that can't be relocated without major hacking, ceiling height limitations, or load-bearing walls that constrain your layout. If they've walked the unit and foresee no challenges whatsoever, push them harder.

10. What Is Your Warranty Coverage, and What Does It Actually Cover?

The industry standard in Singapore is a one-year workmanship warranty. Ask what it covers specifically: is it structural work only, or does it extend to carpentry, painting, and fixtures? What's the response time for warranty claims? Is there a process, or do you chase WhatsApp messages?

The Design Factory provides a one-year workmanship warranty. After that, minor adjustments — a hinge, a soft-close mechanism — are attended to at no charge. Larger repairs are handled at transparent rates with no runaround.

The Right Contractor Answers These Openly

A firm worth hiring will answer every one of these questions clearly, without defensiveness. The consultation is your chance to understand not just what they'll do, but how they'll work with you. Gut feel matters — but these questions give you something concrete to compare.

If you'd like to consult with The Design Factory, WhatsApp us here. No deposit, no pressure — just a conversation.