Introduction
Renovating a new HDB flat is one of the biggest expenses many Singapore homeowners face after collecting their keys. Understanding renovation costs helps you budget properly and avoid unexpected expenses.
In this guide, we break down the typical renovation costs for HDB flats in Singapore and explain which areas usually consume the largest portion of the budget.
Average HDB Renovation Cost in Singapore
The total renovation cost depends on several factors:
- Flat size
- Design complexity
- Material selection
- Custom carpentry requirements
- Electrical and plumbing works
Typical renovation budgets in 2026:
| Flat Type | Estimated Cost |
|---|---|
| 2-Room Flexi | $15,000 – $35,000 |
| 3-Room HDB | $25,000 – $50,000 |
| 4-Room HDB | $35,000 – $70,000 |
| 5-Room HDB | $45,000 – $100,000+ |
Major Renovation Cost Components
Carpentry
Custom carpentry is usually the largest renovation expense.
Examples include:
- Kitchen cabinets
- Wardrobes
- TV feature walls
- Shoe cabinets
- Study tables
Estimated budget:
$5,000 – $30,000+
Flooring
Popular flooring options include:
- Vinyl flooring
- Homogeneous tiles
- Porcelain tiles
- Engineered wood
Estimated budget:
$2,000 – $12,000
Electrical Works
Electrical works may include:
- Additional power points
- Lighting installation
- Smart home wiring
- Ceiling fan installation
Estimated budget:
$1,000 – $5,000
Painting
Most homeowners repaint the entire flat before moving in.
Estimated budget:
$800 – $3,000
Ways to Save Renovation Costs
1. Limit Custom Carpentry
Instead of building cabinets everywhere, combine built-in carpentry with ready-made furniture.
2. Choose Vinyl Flooring
Vinyl flooring provides a wood-like appearance at a lower cost than timber flooring.
3. Keep Existing Layouts
Avoid relocating toilets, kitchens, and major walls whenever possible.
4. Obtain Multiple Quotations
Compare at least three renovation quotations before making a decision.
Popular Interior Design Styles in Singapore
Scandinavian
Characteristics:
- Bright spaces
- Light wood finishes
- White colour palette
- Functional furniture
Japandi
Characteristics:
- Minimalist design
- Natural materials
- Warm neutral tones
- Clean lines
Modern Luxury
Characteristics:
- Marble finishes
- Metal accents
- Statement lighting
- Premium materials
Frequently Asked Questions
How much should I budget for a 4-room BTO renovation?
Most homeowners spend between $35,000 and $70,000 depending on design requirements and material choices.
Is it cheaper to hire an interior designer or contractor?
Contractors are generally less expensive, while interior designers provide design concepts, project management, and material selection assistance.
What is the most expensive part of a renovation?
Custom carpentry is usually the largest cost component in most Singapore renovation projects.
Conclusion
A successful renovation starts with proper planning and realistic budgeting. Understanding renovation costs allows homeowners to prioritise spending and achieve a balance between aesthetics, functionality, and affordability.
Before signing any renovation contract, compare quotations carefully, review previous projects, and ensure all work specifications are clearly documented.
