How To Choose a Reliable Renovation Contractor in Singapore | 8 Red Flags to Watch Out For

Two renovation stories in the Singapore news this September caught our attention. In the first case, a homeowner's budget started at a five-figure sum but eventually increased to about S$216,000 according to a recent CNA report. In the second case, a couple engaged a freelance interior designer, made payments, and later faced difficulties contacting the designer according to a recent Zaobao report

Neither story represents every renovation experience, but both highlight why choosing the right renovation partner and having clear agreements in place are important. A nice design and a low quote don't tell you much about how a contractor will behave once the work starts and the money has changed hands.

So before you sign anything, here are 8 renovation red flags to watch for when hiring a contractor or interior designer in Singapore. Some are easy to spot, like vague quotations or a designer who takes days to reply. Others only show up if you know what to ask, such as hidden charges or what happens after handover.

Table of Contents

• 1. Hiring a Freelance Designer Without Proper Company Support
• 2. No Clear Person Responsible for the Project
• 3. Unexpected Extra Charges After Confirmation
• 4. Payment Made to Personal Bank Account
• 5. Products or Materials Changed Without Customer Approval
• 6. Renovation Progress Takes Longer Than Expected
• 7. Contractor or Designer Becomes Difficult to Contact
• 8. Lack of After-Sales Support

1. Hiring a Freelance Designer Without Proper Company Support

Problem:

Freelance designers can be tempting because of their flexibility or lower initial cost. However, some freelancers may not have a company structure, dedicated project team, or long-term operational support. If they get overloaded, become unavailable, or stop responding, homeowners may find it difficult to know who can continue managing the project.

What homeowners should check:

• Is there a registered company handling the project? Check that the name on the contract is a real business, not just a person's name.
• Who is responsible for the renovation work especially when something goes wrong? You should know who you'd go to for delays, defects or refunds.
• Does the designer have a proper team to manage contractors and suppliers? If the designer is coordinating everyone alone, find out what happens when they're unavailable.

2. No Clear Person Responsible for the Project

Problem:

You sign the renovation quotation or agreement, pay a deposit, and expect there will be someone guiding you through the process. But once the renovation starts, it may become unclear who is actually responsible for your project.

When an issue happens, you may find yourself being passed between different parties — the salesperson, designer, contractor, worker or subcontractor. One person says it is handled by another party, while the next person asks you to check back with someone else.

Instead of solving the problem directly, even a simple follow-up can take days because there is no clear person managing the communication and taking ownership of the issue.

What homeowners should check:

Before starting renovation, ask your contractor:

• Who is my main point of contact throughout the project? Get their direct number if possible, not just the office line.
• Who will supervise the work on-site? How often the designer or project manager will come down to check.
• Who should I approach when problems or changes happen?

3. Unexpected Extra Charges After Confirmation

Problem:

Some homeowners may face additional charges after renovation work has started because the quotation was not detailed enough. The quote looks fine when you sign. But once renovation work begins, a new item may suddenly appear that "wasn't included." Some extra work gets added and nobody explained why. Or you thought the wardrobe came with internal drawers, and the contractor says drawers cost extra. It usually comes down to a quotation that was too vague, so each side remembers the deal differently.

What homeowners should check:

A proper quotation should clearly state:

• Read the quotation line by line before signing. If an item just says "carpentry works" or "tiling works" with no detail, ask them to list down the job scope in details.
• Check that it lists the materials and brands, plus quantities and sizes. "Laminate" alone isn't enough. Which one, and how many metres?
• Ask what is not included. Some things are commonly left out, like hacking, disposal of debris or lift protection.
• Agree that any extra work must be quoted in writing and approved by you before they start.
• Keep your copy of the signed quotation and any changes, so you have something to point to if there's a disagreement.

4. Payment Made to Personal Bank Account

Problem:

The news reports involved a company that asked the homeowner to transfer money to the director's personal account, not the company's. Homeowners should be cautious when a contractor requests payment to a personal account instead of an official company account. Although the director may own the company, paying into a personal account can make it harder to prove that the payment was made to the business if a dispute happens. If the project goes wrong or the company runs into trouble, the money you paid sits in a personal account, and it's much harder to show it was a payment for your renovation. A bank transfer slip with a person's name on it doesn't prove much on its own.

What homeowners should check:

• Is payment made to the registered company? Check the company ACRA to confirm the business name.
• Are official invoices and receipts provided?
• Is there proper documentation for every payment?

5. Products or Materials Changed Without Customer Approval

Problem:

The interior designer used product brands that were different from the ones stated in the quotation? This is easy to miss. You pick a brand of tiles, a certain sink, a specific hob, and it's all written in the quote. Then come to renovation day, something else is sitting there. Maybe the designer says the original was out of stock, or that the replacement is "the same thing." But it often isn't. The quality can be lower, the colour or finish looks different from what you chose, and you only notice after everything is in and paid for. By then it's hard to argue, and arguments like this tend to drag on after handover.

What homeowners should check:

• Confirm product specifications like model number, colour code, size, not just “aircon” or “bathtub”.
• Request approval before any substitution.
• Take photo and keep records of selected materials.

6. Renovation Progress Takes Longer Than Expected

Problem:

Every renovation project comes with an expected completion date, but when delays happen, it’s more than just a headache, it can disrupt your entire moving timeline. When your home is not ready on time, the overall cost starts to increase. You may need to extend your rental stay, continue paying for your current accommodation, or spend more on storage and moving arrangements.

In one recent case reported in the news, a family had to engage another interior designer to complete the renovation after facing issues with the first one. The second designer managed to complete the work in six weeks for S$70,000, but the family had already spent an additional S$9,000 on temporary accommodation and S$7,000 on storage and transport because they could not move into their home as planned.

For homeowners who are waiting to move in, even a few extra weeks can create unexpected expenses and unnecessary stress.

What homeowners should check:

• Ask for a timeline in writing, with the start date, key stages and the handover date. "About two months" isn't a timeline.
• Ask the contractor to explain the renovation steps and which jobs come first. For example, hacking and wiring usually happen before carpentry, and painting comes near the end. Once you know the order, you can tell if the work is on track or if something is being skipped or left late.
• Ask how they'll update you. Weekly photos or a short site visit are enough, as long as it's regular.
• Find out who tracks the schedule. There should be one person you can ask, "Are we on track?"
• Ask what happens if the project is late. Some contracts include a delay clause, so read it before you sign.

7. Contractor or Designer Becomes Difficult to Contact

Problem:

One of the biggest concerns homeowners face is when communication suddenly stops, which was exactly what happened in the second news case. Once payment went through, the freelance designer suddenly went silent. Replies became rare, updates stopped altogether, and the site was left half-finished with no workers in sight. Even if the contractor comes back later, getting defects fixed becomes a long chase of messages and calls.

What homeowners should check:

• Find out how long the company has been operating. You can look up its registration on ACRA. A company that has been around for years has more to lose by disappearing.
• Visit the office if you can. Check that the address is real and that there are staff working there, not just a mailing address.
• Read the Google reviews, and look at the bad ones too. Pay attention to how the company replied.
• Ask to see past projects.
• Ask how you can reach the company if your main contact is away. There should be a second person or a proper channel, not just one WhatsApp number.

8. Lack of After-Sales Support

Problem:

Most renovation problems don't show up on handover day. You move in, and a week later a cabinet door won't close properly. A month later there's a damp patch near the bathroom, or the floor tiles sound hollow when you walk on them. That's when you find out whether the company still picks up your calls. Some do, and some suddenly get very slow once the final payment is made. A lot of homeowners also never asked what the warranty actually covers, or for how long, until they need it.

What homeowners should check:

• Ask if there's a workmanship warranty, how long it lasts, and what it covers.
• Product warranties are a different thing. Each brand provides different warranty durations and coverage, so homeowners should check the details carefully.
• Ask how to report a problem.
• Who should homeowners contact after completion?

Conclusion

A successful renovation is not only about creating a beautiful home. It is also about choosing a renovation partner who provides clear communication, proper management and reliable support throughout the journey. Hire someone who explains things clearly, tells you who is in charge, puts everything in writing, and still picks up your call after handover.

The red flags above are things you can check before you pay a deposit. Ask the questions, read the quotation properly, and don't be shy to walk away if the answers are vague.

At Joydom, we believe a smooth renovation starts with clear communication. Before any work begins, we go through the quotation details with homeowners, provide proper invoices and receipts, and create a project group chat so updates and communication remain clear throughout the renovation process. If you are planning a renovation and would like to understand how we work, speak to our team for a free consultation.