1. Introduction
If you’ve ever compared renovation quotes in Singapore, you are sure that this is strange stuff, prices can vary way too much from one contractor to another for seemingly similar work. From the outside, one quotation may appear like a great buy, but once the renovation is under progress, the extra charges begin to manifest. Why? Most contractors would deliberately omit something or hide some charges in their original quotes so that they get a more competitive edge.
In the fast-moving Singapore renovation market, where competition is very stiff and profit margin very slim, some contractors will keep their prices low and seemingly devoid of hidden costs, which will then be added once the job has commenced for charges of work not detailed or unforeseen circumstances, which became almost canonical-cartoon-crime schemes. Therefore, it is essential for every homeowner to know what really goes into, and importantly, what goes outside of, renovation quotations before anything is signed.
2. The Illusion of the “Low” Quotation
Renovation quotes that look too good to be true usually are. Being underpriced by the contractor usually means that certain aspects, materials, or services have been omitted. These become variation orders or add-on charges later, which can swell your renovation budget by thousands of dollars.
For example, they might have a line saying “painting works – $1,000,” but they don’t say if that includes primer, sealer, or ceiling paint. Another line says, “electrical works – $2,000,” without pinpointing how many lighting points, power points, or installation fees are included in that price. It looks neat and tidy on paper, but in reality, it’s incomplete.
More than half through the renovation process, owners discover these mishaps as contractors inform them the work “was not part of the original quote.” And at this point, one way or another, you have to pay from your own pockets or delay your project.
3. Common Items Contractors Leave Out in Renovation Quotes
One of the most commonly excluded items is haulage and debris disposal. Any renovation gives rise to waste by way of tiles, wood, and packaging; yet many quotations exclude the cost of removing and disposing of them in the proper manner. For the HDB flats, haulage charges are usually compulsory and shall be handled by an authorised haulage vendor thus adding on to the costs for the homeowner.
Electrical fittings remain the other major area in which contracts are dormant. Wiring is included, but actual switches, light fittings, or charges for installing ceiling fans or heaters may be excluded. Likewise, plumbing works may cover basic connection of pipes but exclude the installation of sanitary fittings such as taps, basins, or heaters.
Waterproofing and screeding are also commonly overlooked, especially in bathrooms and balconies. They are crucial in preventing leaks and future damage, but certain contractors note them down as from extras in order to keep the quotes low.
Then again, there’s permits, applications, and protective works. Contractors must submit applications, erect protection sheets, and sometimes stump up security deposits or even renovation bonds for HDB and condo renovations. If these are not stated in your quote, you will be the one to pay for it later.
Then don’t forget final cleaning and touch-ups. Many homeowners presume that cleaning is included upon completion of the renovation – but rather, post-renovation cleaning is often left out! You may be required to engage a cleaning team on your own to prep the area for moving in.
4. Why These Omissions Happen
Not every contractor omits items intentionally, sometimes it’s due to miscommunication or differing expectations. Renovation quotes are complex, and some companies focus only on the “core” works they specialise in. Others simply underestimate the cost of ancillary services, leading to vague or incomplete quotations.
However, there are cases where omissions are deliberate. In Singapore’s renovation industry, many companies compete aggressively for price-sensitive clients. A contractor who submits a lower-priced quote has a higher chance of winning the project, even if it means leaving out necessary details that will later be charged as add-ons.
This is why homeowners must learn to identify red flags, phrases like “to be confirmed,” “subject to site condition,” or “optional work” should prompt you to ask questions before signing the agreement.
5. How to Protect Yourself from Hidden Costs
Transparency is the key ingredient not to run into any unpleasant surprises along the road. Always demand a detailed, itemised quotation showing a breakdown of every scope of work, materials, and cost of labour. Ask for names, specifications of materials, and details on what exactly is included in the item. Instead of a simple term such as “kitchen cabinet – $8,000,” your quote should include the type of laminate used, dimensions, countertop material, and details of internal fittings.
Also, consider getting not one but at least three different quotations from separate contractors to compare. Never compare costs alone without spotting what is indeed covered and what is left outside. Sometimes an inferior quote may turn out to be cheaper if the job is straightforward and therefore there are fewer additional costs and surprises. In other cases, a bit pricier quote would set you up better if it is transparent and outlines the service clearly.
The last step is to pick a reputable renovation service with a good history to back the company up. A reputable company would never hide costs just so they can persuade you to accept their quote and win the job. They will carry you through the entire breakdown; potential variations will be explained and will make sure there are no bitter surprises awaiting you down the road.

