Singapore
China
TL;DR
- Finalize your custom furniture design before applying for HDB renovation approval—an order completely reversed from the typical process.
- Premium renovations using imported materials start at S$80,000 for HDB flats and exceed S$250,000 for landed homes.
- Replacing on-site carpentry with smart factory manufacturing can reduce project timelines by up to four weeks.
Pre-Expert Q&A: Key Renovation Costs and Selection
Why do nearly 70% of Singapore homeowners exceed their renovation budgets by at least S$15,000?
Most assume delays and hidden costs are normal—but I don’t believe that.
Over my 14 years managing projects at MRETTY, I’ve observed a costly pattern: homeowners hire builders first, then only consider custom cabinetry later. This sequence leads to massive delays and budget creep. Before diving into the full framework, let’s address two of the most common questions clients ask.
How Much Does a Home Renovation Cost in Singapore in 2026?
In 2026, the average cost for a standard four-room HDB flat renovation is approximately S$60,000. Premium renovations involving extensive custom manufacturing and imported materials typically exceed S$120,000. For landed homes, costs start at S$250,000 due to greater structural complexity and scale.
How Do I Apply for an HDB Renovation Permit?
You must apply through the My HDBPage portal. Contractors must be listed on the HDB’s approved renovation contractor register. Under the HDB Renovation Control Rules, any structural changes or demolition must be approved before work begins.
Last month, we executed a project in Punggol. By finalizing our full 3D model and cabinetry specifications on Day One, we submitted the complete set of drawings with our permit application. HDB required no clarifications and approved immediately—saving us two weeks compared to projects that submitted designs after work had already started.
How to Plan a Singapore Home Renovation?
Effective planning requires locking down spatial design and ordering custom furniture before starting any demolition.
There’s a major industry misconception: standard advice tells you to begin with plumbing and electrical work—this is backwards.
In Q1 2026, I tested a parallel workflow in a five-room HDB flat in Tampines:
- Week One: Finalize spatial layout and 3D rendering.
- Immediately send cabinet specifications to MRETTY’s factory.
- When the site team completes demolition, the custom cabinetry is already manufactured.
This approach is crucial for resale HDB flats with uneven walls. If you wait until masonry work is complete to measure cabinets, you lose at least three weeks.
A smarter project sequence is:
- Finalize 3D rendering and full-home custom furniture layout.
- Submit structural drawings to HDB or management committee for approval.
- Initiate off-site smart factory manufacturing.
- Proceed with parallel demolition and base construction.
- Install pre-fabricated, factory-finished components.
❌ Common Misconception: Demolishing walls before finalizing cabinet dimensions—this often leads to awkward gaps or costly rework.
✅ Better Solution: Lock down your 3D model and factory order before applying for a renovation permit. This prevents structural conflicts and ensures perfect fit.
Mastering the planning process means prioritizing off-site manufacturing. This simple shift eliminates 20% of budget overruns caused by on-site adjustments.
2026 Cost Structure for Premium Home Renovations in Singapore?
In 2026, premium home renovations in Singapore start at S$80,000 for HDB flats and exceed S$250,000 for landed homes when using imported materials.
Luxury budgeting requires separating construction costs from custom cabinetry. Why do two identical floor plans carry vastly different price tags? The difference lies entirely in material selection and manufacturing precision.
Our project data reveals a clear breakdown:
| Property Type | Basic Construction | Full-Home Custom Cabinetry | Total Estimated Cost |
| Four-Room HDB Flat | S$30,000 | S$50,000 | Starts at S$80,000 |
| Resale Apartment | S$55,000 | S$75,000 | Starts at S$130,000 |
| Landed Home | S$120,000 | S$150,000 | Starts at S$270,000 |
Note: These are 2026 estimates and may vary based on material choices and project complexity.
The bulk of a premium budget flows into custom cabinetry and high-end hardware—not demolition or tiling. We consistently use E0-grade panels for health safety and imported hinges for durability.
For example, a single imported Bollinger hinge costs S$8, while a generic alternative costs S$2. But the Bollinger hinge is rated for 200,000 cycles—lasting over 20 years. A cheap option typically fails within three years. For a kitchen with 40 hinges, this S$240 initial investment avoids years of frustration and replacement costs.
❌ Common Misconception: Relying on generic per-square-foot estimates. These fail to account for premium hardware, imported panels, or precision manufacturing.
✅ Better Solution: Request itemized quotes that separate smart factory manufacturing costs from basic construction.
How Long Does a Home Renovation Take in Singapore?
Typical renovations for HDB flats or apartments take 8 to 12 weeks. The key variable is reliance on on-site carpentry versus prefabricated factory components.
Wait—processes can be faster.
By overlapping timelines, we compress the schedule. While plumbers work on-site, our factory is already cutting panels. Last October, using this method, we completed a full apartment renovation in just 7 weeks. Defect checks happen in the factory—not in your living room. This means on-site assembly takes only days, not weeks.
Factory-based manufacturing reduces project duration from a grueling 12-week cycle to an efficient 8-week timeline.
Who Are Singapore’s Best Home Renovation Contractors?
Here’s a counterintuitive answer: the best contractors aren’t just builders—they are integrated full-home service providers with their own manufacturing facilities.
They bypass fragmented on-site carpentry teams.
When evaluating a company, manufacturing capability matters more than design portfolios. Local hand carpenters rely entirely on individual skill and mood. If a carpenter is tired or distracted one day, your wardrobe doors won’t align—an unpredictable variable.
The Singapore luxury market is moving away from hand carpentry due to two key reasons: consistency and health. Rising labor costs make it harder to retain top craftsmen, resulting in inconsistent quality. More importantly, in 2026, customers are aware that on-site sawing and gluing release volatile organic compounds—posing health risks. Factory-based, controlled environments produce safer, more precise results.
MRETTY operates a 15,000 square meter smart factory. This scale enables us to cut premium materials with computer-guided millimeter precision. Machines don’t get tired. This is why our custom cabinetry consistently receives praise for perfect alignment and flawless finishes.
❌ Common Misconception: Hiring a design firm that outsources all carpentry to small third-party workshops, lacking direct quality control.
✅ Better Solution: Partner with an integrated provider who owns their own manufacturing—ensuring precision, material safety, and accountability.
Best Practices for Apartment Renovations in Singapore
For any apartment renovation, your top priority is the management committee. You must submit detailed drawings and adhere strictly to approved working hours.
Apartment projects require serious administrative diligence. Oversight isn’t just from the Building and Construction Authority—it’s also from the management committee. You cannot assume HDB rules apply to private apartments.
I always advise clients to allow two weeks of buffer time for management committee approval. You must pay the renovation deposit, install elevator padding, and ensure contractors use designated service corridors.
Recently, in a Tampines apartment project, a client wanted to move a non-load-bearing wall. The management committee initially hesitated. Instead of arguing, we immediately provided a complete 3D rendering, a structural engineer’s letter, and a detailed noise-minimization work plan. This proactive communication secured approval in just three days—avoiding costly project halts.
❌ Common Misconception: Assuming HDB renovation guidelines apply to private apartments. In fact, they do not.
✅ Better Solution: Before beginning design, obtain your building’s specific management committee rules handbook. This prevents expensive surprises.
Advanced Renovation Q&A
How Long Does a Landed Home Renovation Take?
Landed home renovations typically span 16 to 24 weeks. This includes complex structural work, extensive approvals, and extensive custom manufacturing for larger spaces.
Why Choose Full-Home Custom Cabinetry Over Traditional Carpentry?
Full-home custom cabinetry is produced off-site in a smart factory. This ensures millimeter-level precision, uses certified E0-grade low-VOC panels, and removes toxic glue fumes and sawdust from your home.
What Are the Management Committee Rules for Apartment Renovations?
Rules vary by building. Common restrictions include strict working hours (e.g., 9 a.m. to 5 p.m.), mandatory elevator padding, and prior approval required for any changes affecting façades, windows, or shared pipes.
About the Author
Hanson, Full-Home Designer
Project Experience:
Hanson has 14 years of design and project management experience at MRETTY, specializing in high-end kitchen and full-home cabinetry systems. His deep understanding of spatial dynamics and premium material integration ensures every project meets the highest standards of luxury and functionality.
Property Types Specialized In:
Apartment and landed homes in Singapore.
Design Styles:
Modern minimalism, Italian luxury, and French elegance. Hanson seamlessly blends aesthetic appeal with smart factory precision, delivering homes that are both visually stunning and ready to move into immediately.
MRETTY: Premium Bespoke Kitchen & Cabinet Systems Provider in Singapore
