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Renovating an HDB flat in 2026 remains one of the largest financial decisions for Singapore homeowners. Whether you're upgrading to a new Build-To-Order (BTO) flat or renovating a resale flat, the cost of renovation varies based on the size of your home, the extent of work, and materials. As inflation and material costs increase, it is important to have an understanding of the latest renovation costs in order to budget properly. The following post provides the estimated renovation costs for 3-room, 4-room, and 5-room flats in Singapore for 2026.
Determinants of Flat Renovation Costs
Before looking at specific price ranges, it is essential to understand the significant factors that influence renovation costs. They include the type of flat, the state of renovation, materials, labour and contractor fees, and additional features. BTO flats require less renovation as they are in a more bare state, while resale flats might require more such as hacking, rewiring, and refurbishment. Less extensive renovations such as painting and cabinet work will cost less than full-scale renovations involving structural changes, new flooring, and complete kitchen or bathroom remodels. Luxury materials such as marble, quartz, and custom woodwork will drive renovation costs higher compared to mid-range laminate finishes and vinyl flooring. Prices also hinge on demand, the reputation of the interior designer or contractor, and the complexity of the renovation project. Also, smart home integrations, custom furniture, and high-end appliances can contribute significantly to the overall spending.
3-Room Flat Renovation Cost in 2026
A 3-room flat is approximately 60 to 65 square meters. It is the cheapest flat renovation but still, its prices can have a wide range depending on the scope of works. In 2026, the estimated renovation costs for a 3-room flat are as follows:
· Basic renovation (minimal works): S$25,000 – S$35,000
· Medium-level renovation (medium works, better materials): S$40,000 – S$55,000
· High-level renovation (high-end materials and complete revamp): S$60,000 – S$80,000
The cost breakdown includes hacking and demolition between S$3,000 and S$5,000, flooring with vinyl, tiles, or laminate between S$5,000 and S$8,000, and electrical and plumbing between S$4,000 and S$7,000. Carpentry works such as wardrobes, kitchen cabinets, and storage systems could be between S$10,000 and S$18,000. Painting and ceiling work will cost S$3,000 to S$6,000, while bathroom and kitchen renovations can be between S$7,000 and S$12,000.
To save money, homeowners of 3-room flats can opt for vinyl flooring instead of tiles to save on material and labor costs. Taking modular or off-the-shelf furniture instead of custom carpentry works also saves costs. Lessening structural changes that entail hacking and rewiring will also keep renovation costs in check.
4-Room Flat Renovation Cost in 2026
A 4-room flat in Singapore is typically between 90 and 100 square meters, which provides more space but also comes with more expensive renovations. The renovations for a 4-room flat in 2026 are projected as follows:
· Basic renovation: S$30,000 – S$45,000
· Mid-range renovation: S$50,000 – S$70,000
· Extensive renovation: S$75,000 – S$100,000
Hacking and demolition would cost around S$4,000 to S$7,000, and flooring can be S$7,000 to S$10,000. Electrical and plumbing works can be estimated to be S$5,000 to S$9,000, and carpentry can be S$15,000 to S$25,000. Painting and ceiling works can be S$4,000 to S$7,000, and bathroom and kitchen renovations can be S$10,000 to S$18,000.
To renovate a 4-room flat on a budget, homeowners can focus on renovating the most important spaces such as the kitchen and bathroom and leave the living spaces simple. Open-concept layouts can reduce the need for additional partition walls, which helps to save costs. Choosing mid-range materials that provide a good balance between durability and aesthetics without contributing to the expenses is another practical approach.
5-Room Flat Renovation Cost in 2026
A 5-room flat is about 110 to 130 square meters in floor area, the biggest and most costly to renovate. With more living areas and bedrooms to be furnished, homeowners can expect a bigger budget in total. The following are the estimated renovation costs of a 5-room flat in 2026:
· Basic renovation: S$40,000 – S$60,000
· Mid-range renovation: S$70,000 – S$100,000
· Extensive renovation: S$110,000 – S$150,000
Hacking and demolition would cost approximately S$5,000 to S$8,000, and flooring would cost between S$10,000 and S$15,000. Electrical and plumbing would cost about S$7,000 to S$12,000, and carpentry work, including wardrobes, kitchen cabinets, and storage systems, would be S$20,000 to S$35,000. Painting and ceiling work would cost between S$5,000 and S$8,000, and renovation of the bathroom and kitchen would cost S$12,000 to S$22,000.
In order to save cost on a 5-room apartment, home owners can stick to a classic design that can be updated with subtle alterations over time. Not engaging in too much built-in carpentry and opting for free furniture can also be cost-effective as well as easy to alter. Phased renovation, renovating one aspect at a time instead of the overall renovation, can be another cost-spreading technique.
Additional Charges to Consider
In addition to the renovation cost, homeowners must be ready for additional miscellaneous expenses such as interior design services, furniture and appliances, smart home technology, and approvals and permits. Interior design services can range from S$5,000 to S$20,000, depending on the designer's experience. Furniture and appliances can range from S$10,000 to S$30,000 for the essential home furnishings. Smart home technology, including automation and security systems, can add S$2,000 to S$8,000 to the expense. HDB renovation permits and management charges can also increase the cost by a few hundred dollars.
Conclusion
Renovating a flat in 2026 is still a considerable amount of financial undertaking, with costs differing according to flat size, renovation scope, and material options. While a basic 3-room BTO renovation starts from around S$36,000, an extensive 5-room resale renovation can reach S$95,000 or more. For those homeowners who are planning to refurbish their apartments, careful budgeting, prioritizing the essentials, and weighing the money-saving options will stretch the value of their investment. Whether you opt for a minor facelift or a total redesign, an awareness of the cost breakdown will set the stage for a smoother, more streamlined renovation process.
The estimated renovation cost for a 3-room flat in 2026 ranges from around S$36,000 to S$57,000 for new BTO units, and S$68,000 to S$90,000 for resale flats
A 4-room flat renovation in 2026 typically costs between S$55,000 and S$70,000 for new BTO flats, and S$60,000 to S$75,000 for resale
3. How much should homeowners budget for a 5-room flat renovation?
For a 5-room flat, renovation costs generally range from S$55,000 to S$90,000 or more, depending on the level of customization and overall renovation scope.
The article highlights several factors that influence renovation costs, including:
Renovation costs in 2026 are affected by rising material prices, labor costs, and increasing demand for renovation services in Singapore.
Kitchen carpentry, wardrobes, and bathroom works are typically among the most expensive parts of a home renovation due to material and labor requirements.
Yes. Minimalist concepts generally cost less, while luxury, modern contemporary, or heavily customized designs may require a larger renovation budget.
Yes. The article recommends setting aside additional budget for furnishings, appliances, décor, and unexpected renovation expenses.
Proper budgeting helps homeowners prioritize renovation needs, avoid overspending, and better manage overall homeownership expenses.
