F&B exhaust degreasing and PUB grease trap pumping
Commercial kitchen hygiene in Singapore is S$350 to S$680 for a grease trap pump-out, S$450 to S$850 for an exhaust hood canopy, baffle filters and grease trough, and S$750 to S$1,850 for a full exhaust system including duct access panels, the exhaust fan, and a before-and-after certificate. Hood and duct work is scheduled off-peak. The fire rule is SCDF Fire Code Clause 7.1.2. The drain rule is the PUB trade effluent regulations.
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Grease in the duct is a fire load. Grease in the trap is a PUB issue.
The two systems fail differently. A shiny canopy can still hide a dirty duct. A trap that is never pumped sends fat into the sewer.
| What you see | Likely cause | What to do first / typical cost |
|---|---|---|
| The trap smells and the kitchen floor drain is slow | Solid fat above the water line | Pump-out, gasket check and enzyme dose: S$350 to S$680 |
| Baffle filters drip onto the pass | The canopy and the trough are loaded | Off-peak canopy degrease: S$450 to S$850 |
| The insurer or the landlord asks for a duct certificate | SCDF Clause 7.1.2 wants the duct and the fan, not only the filters | Full system with photos: S$750 to S$1,850 |
| The cafe is inside an HDB shop and the hood was newly built | Cleaning is not the renovation | Clean through the access panels. A new hood opening is the permit contractor |
2026 exhaust and grease-trap bands
Price a one-off compliance visit or a wider cleaning contract on the office and F&B estimator. Day-to-day kitchen repairs before an inspection are F&B inspection handyman. A domestic oven and hood are appliance cleaning.
| Job | 2026 SGD band | Inclusions |
|---|---|---|
| Under-sink or floor grease trap pump-out, cafes to canteens | S$350 to S$680 | Solid fat scraped, gasket inspected, and a bio-enzyme dose. Waste leaves with a licensed general-waste collector. |
| Exhaust hood canopy, baffle filters and grease trough, off-peak | S$450 to S$850 | Heavy-duty alkaline degrease of the canopy, stainless baffle filters and the grease trough. Night or off-peak shift. |
| Full kitchen exhaust system, hood, duct, fan, photo report | S$750 to S$1,850 | Canopy, horizontal and vertical ducting via access panels, centrifugal exhaust fan, and a before-and-after photo report with a cleaning certificate. |
Hood, duct and trap
The domestic kitchen, not the canopy
Who has to keep the trap
The pump-out price stays here. The 300 mg/L limit and the HDB eating-house duty are the rules guide.
Frequently Asked Questions
How much is a commercial grease trap pump-out?
An under-sink or floor grease trap, with fat removal, a gasket inspection and a bio-enzyme dose, is S$350 to S$680.
What does SCDF Clause 7.1.2 require?
Commercial kitchen exhaust ducts and hoods have to be degreased so grease does not become a duct fire. The full system, including access-panel scraping and the exhaust fan, is S$750 to S$1,850 and comes with a photo report.
Is this an HDB renovation?
No. Cleaning through existing access panels is maintenance by Homey Furnishing Pte. Ltd. UEN 202018148K. A new hood penetration that needs a permit is V On Construction Pte. Ltd. UEN 201611708H.