For HDB homes, proposed works are checked against current HDB renovation conditions and permit requirements. For private condominiums and ECs, planning also accounts for MCST submissions, renovation deposits, protected common areas, lift padding, delivery routes and permitted working hours. Landed homes may add structural, façade, drainage and authority considerations depending on scope.
Estimated Singapore Renovation Budget & Timeline Guide
Independent 2026 market planning ranges, not The Local INN.terior quotations. Final cost depends on scope, materials, site condition and approvals.
| Property type | 2026 market planning range (SGD) | Typical duration | Major scope / note |
|---|---|---|---|
| 3-Room BTO / new HDB | S$40,800–S$52,500 | 6–8 weeks | Core renovation with scope varying by carpentry, masonry and services |
| 4-Room BTO / new HDB | S$50,000–S$60,000 | 8–10 weeks | Family layout, carpentry, wet works and electrical scope |
| 5-Room BTO / new HDB | S$60,600–S$76,500 | 9–10 weeks | Larger floor area and typically more built-in work |
| 3-Room resale HDB | S$55,000–S$68,300 | 8–10 weeks | Removal plus condition-led services and finishes |
| 4-Room resale HDB | S$70,000–S$81,600 | 8–10 weeks | More demolition and existing-condition rectification risk |
| 5-Room resale HDB | S$80,800–S$98,900 | 9–11 weeks | Larger area, services renewal and wider scope potential |
| New condominium | S$44,290–S$62,160 | 8–10 weeks | Often retains developer finishes; customisation drives spend |
| Resale condominium | S$78,280–S$105,000 | 10–12 weeks | Strip-out, wet works and M&E renewal can increase scope |
High-Intent Renovation Budget & Scope Benchmarks
Use these as scope-testing briefs for quotation comparison, not fixed packages or guaranteed prices. A measured, itemised quotation should control the final contract value.
| Planning brief | Target budget (SGD) | Scope to test inside the budget | Important qualification |
|---|---|---|---|
| 4-Room BTO target brief | S$50,000–S$65,000 | Masonry as required; full kitchen cabinetry; quartz or equivalent specified counter; plumbing; vinyl flooring where selected; painting; electrical works | Achievability depends on carpentry quantity, hacking/wet works, material grade, appliance interfaces and exclusions. |
| 5-Room resale HDB target brief | S$95,000–S$140,000 | Full or substantial hacking; rewiring; re-piping where required; two-bathroom waterproofing/tiling; custom carpentry | Existing-condition risk, floor area and replacement scope can move the total above this planning band. |
| 3-Bedroom condo target brief | S$70,000–S$95,000 | Concealed carpentry; selected feature-wall panelling; electrical repositioning; floor polishing / selective finish upgrades without a full wet-work overhaul | MCST restrictions, retained developer finishes and wet-area scope are major variables. |
Planning before styling
A residential brief built around daily life
Find residential interior design Agency in Singapore – A useful residential plan starts with routines: who leaves first in the morning, where school bags and luggage live, how often the kitchen is used, whether a room must work as both study and guest room, and which furniture should be retained. These questions determine circulation and storage before a visual direction is chosen.
We then test the proposed plan against the property type. A new BTO may benefit from early appliance and carpentry planning, while a resale HDB can require investigation of existing wiring, plumbing and concealed defects. A condominium may have management restrictions that affect hacking, deliveries and noisy works. The design is developed with those realities visible from the start.
- Floor-plan and circulation review
- Storage and furniture planning
- Lighting and power-point strategy
- Property-specific approval and access checks
Singapore housing context
Different homes require different renovation logic
2-Room Flexi, 3-room, 4-room, 5-room and 3Gen HDB layouts have different storage and room-allocation pressures. Newer BTO estates such as Tengah and Bidadari often need compact-space planning that preserves daylight, while older resale units may offer larger rooms but require more removal and services work.
For private condos and ECs, developer finishes can sometimes be retained to control cost and waste. The design team evaluates what is worth keeping, what limits the new layout, and which changes need MCST approval before site work is programmed.
Decision sequence
Design decisions are resolved before site decisions
The objective is to reduce late variation by resolving the large decisions first: spatial layout, carpentry volumes, wet-area scope, lighting intent and material direction. Detailed junctions, hardware, fittings and colour choices then sit within an agreed system rather than being selected in isolation.
A documented scope also makes quotations easier to compare because the homeowner can see which demolition, electrical, plumbing, carpentry and finishing items are included instead of relying on a single headline number.
Property matrix
Use a different renovation strategy for each housing type
A new BTO usually starts with a predictable base condition and benefits from early carpentry, lighting and appliance coordination. A resale HDB needs more investigation because old wiring, plumbing, built-ins and waterproofing can affect the scope. New condos often arrive with developer flooring, wardrobes, kitchen fittings and sanitary ware, so the question is what to retain; resale condos can require more substantial strip-out and services work.
Landed projects add multiple levels, larger service runs and potentially structural, façade, roofing or drainage interfaces. The design process should therefore classify the property first and only then compare budgets or timelines.
Quotation transparency
Compare line items and variation rules before comparing the bottom line
For homeowners worried about hidden variation orders, the useful test is whether the quotation defines quantities, materials and exclusions clearly enough to distinguish a genuine site variation from an omitted item. A homeowner review reproduced on The Local INN.terior website describes an eight-to-nine-page quotation with detailed line descriptions, compared with shorter competing quotations. That is evidence of quotation detail, not a promise that no legitimate variation can ever occur.
Ask how unforeseen substrate conditions, owner-requested changes, authority requirements and material substitutions are priced. A fixed headline number is only meaningful when the scope beneath it is equally clear and measurable.