How much does mould removal & remediation cost in Singapore?
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Key takeaways
- Most mould removal & remediation jobs in Singapore land between SGD 250–SGD 12,000 — known locally as mould and dehumidification specialist.
- Mould remediation is unlicensed in Singapore; for HDB and condo units, persistent damp tracing to building defects or inter-unit seepage may involve the town council or MCST. Dehumidification and ventilation fixes are central in the tropical climate.
- Prices below are researched national ranges, updated July 2026 — not quotes.
Mould Removal & Remediation prices by job size in Singapore
| Job size | Low | Typical | High |
|---|---|---|---|
| Surface mould treatment Single patch or wall, wash and antimicrobial | SGD 250 | SGD 500 | SGD 900 |
| Single-room remediation Full room: removal, treatment and dehumidification | SGD 800 | SGD 1,500 | SGD 3,000 |
| Whole-home / structural remediation Multi-room job with containment and rebuild | SGD 3,000 | SGD 6,000 | SGD 12,000 |
Per-unit rates
| Unit | Low | Typical | High |
|---|---|---|---|
| per square foot | SGD 8 | SGD 15 | SGD 28 |
What affects the price
- Job size and scope — bigger or more complex jobs move you up the ranges above.
- Access and condition — hard-to-reach areas, older properties or neglected maintenance add labour time.
- Materials and quality level — where materials are involved, the grade you choose often matters more than labour.
- Urgency — same-day or out-of-hours work usually carries a premium.
- Where you live — large metros in Singapore typically run above the national range; smaller towns below it.
How to save
- Get at least three quotes and compare like-for-like scopes, not just totals.
- Be flexible on timing — off-peak slots are often cheaper.
- Bundle related tasks into one visit to spread call-out costs.
- Agree the scope in writing up front to avoid change-order surprises.
How to hire a mould removal & remediation pro in Singapore
- Trace the moisture source — usually air-con condensation, humidity or seepage — and fix it
- For HDB/condo units, check whether inter-unit seepage involves the town council or MCST
- Insist on dehumidification and ventilation as part of the fix, not just surface treatment
- Use an independent party for any clearance testing
- Get a written scope and check the contractor's insurance
Red flags
- No moisture-source diagnosis in the quote
- Treats the surface but ignores humidity and ventilation
- No containment on a large job
- Promises to 'kill all mould permanently'
- No written clearance terms
How Handld researches prices
These are researched estimates, not quotes and not our transaction data. We compile ranges from published sources — national statistics, trade bodies and incumbent cost guides — normalise them to SGD, and adjust city pages by a population-based cost tier. Last updated July 2026. Basis: Singapore remediation and dehumidification service listings, extrapolated from regional guides.
Frequently asked questions
Is mould just a cleaning job or real remediation?
Surface mould on a hard, non-porous wall can be a clean-and-treat job. Once it is into plaster, drywall, insulation or timber, proper remediation means removal, containment to stop spores spreading, and drying — cleaning alone lets it return.
Can I remove mould myself?
A patch smaller than about a square metre on a hard surface is a reasonable DIY job with protection and ventilation. Larger areas, porous materials, or anyone with respiratory sensitivity should bring in a professional with containment.
Is black mould dangerous?
Some moulds produce irritants and allergens that affect breathing, and vulnerable people react worse. Colour alone does not determine toxicity, but extensive growth is a reason to use containment and proper protection rather than scrubbing it yourself.
Do I need mould testing before remediation?
For a small visible patch, no — you can see it. Testing matters when mould is hidden, health issues are involved, or you need documentation for a dispute or insurance. Use an independent tester, not the company doing the removal, to avoid a conflict of interest.
How much does mould remediation cost?
Small surface patches are cheap to treat, but priced jobs scale with the affected area and whether the underlying cause is fixed. Most single-room remediations land in the mid three to low four figures; whole-home jobs needing containment and HVAC cleaning cost several times more. Repairing the moisture source is often a separate line.
Will my insurance cover mould remediation?
Sometimes — if the mould resulted from a sudden covered event like a burst pipe, insurers may pay. Mould from long-term neglect or condensation is usually excluded. Document the cause and keep remediation reports if you intend to claim.
What does mould remediation cost in Singapore?
Single-room remediation typically runs SGD 800-3,000, with small treatments from a few hundred dollars and major multi-room jobs reaching SGD 12,000. Dehumidification is often bundled in.
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