A tropical year has a monthly, a quarterly and a five-year list

Singapore homes fail on a calendar, not on a surprise. Monthly, test the 30mA RCCB and flush the dry floor trap. Quarterly, clean the aircon and the balcony scupper. Every six months, exercise the heater relief valve, lubricate hinges and condition leather. Every three to five years, replace braided hoses and angle valves before they burst. A landed roof and a condo facade are extra lines. The hours are shorter than a renovation.

Monthly is the habit that prevents smells and silent electrical faults. Press the RCCB test button. It should trip. Reset it. If it does not trip, the 30mA protection is not proven and the power-trip guide applies. Pour water into floor traps that have gone dry. A dry trap lets drain flies and sewer odour into the bathroom. In a condo the same trap can be the path a neighbour’s smell uses. This is a jug of water, not a contractor.

Quarterly belongs to water that should leave and air that should be cold. The aircon fan-coil, drain and filter collect a Singapore amount of condensate. A vacuum of the drain and a wash of the filter stop the drip that stains the ceiling below, which in a condo becomes an inter-floor argument. The balcony scupper and the aircon ledge outlet block with leaves and dust. A blocked scupper is how a balcony becomes a pond in a monsoon hour. Six-monthly, lift the ceiling hatch if you have a storage heater and exercise the pressure-relief valve so it is not seized. Lubricate cabinet hinges and sliding tracks. Condition leather if the water-drop test says the hide can take it.

Every three to five years the items that burst at midnight are due: braided stainless hoses and zinc-alloy angle valves. The valve guide explains the galvanic snap. Replace them on a Saturday you chose. Bathroom anti-fungal silicone is on the same cycle, because a tired joint is a leak into the flat below. Invisible grilles need a tension check so a child or a cleaner does not lean on a slack wire. Landed houses add roof gutters, external paint and a driveway drain. Condos add the by-law items you are personally allowed to touch. HDB adds the weep hole, which must stay open. The calendar is the same physics with different permissions.

Homey Furnishing Pte. Ltd. (ACRA UEN 202018148K), 27 Mandai Estate, #06-10 Innovation Place, Singapore 729931, carries the permit-exempt portion of this work. V On Construction Pte. Ltd. (ACRA UEN 201611708H), listed on the HDB Directory of Renovation Contractors, carries any scope that needs an HDB renovation permit. Those two invoices are not interchangeable. EMA 30mA protection is proved with the test button. PUB rules apply when a valve or heater is replaced. Town Council and MCST rules apply to ledges and facades. The schedule does not authorise hacking.

Spend ten minutes with a torch, your phone camera, and a tape before you buy a product or book a hack. Write down what you see. The safe checks below do not ask you to open a live wire, cut a pressurised pipe, or lean out of a window. Write the date you last tested the RCCB, last serviced the aircon, and the year on the braided hoses. If the hose has no date and the flat is over five years into a renovation, treat it as due.

Stop at the red-flag column. Stop if the test button fails, if a hose is already wet, or if the task puts you outside a railing. The reason DIY fails is almost never a lack of effort. It is that the tool or chemical makes the next professional repair harder, or it hides a leak, a live conductor, or a deposit line until the damage is larger than A yearly preventative visit is often S$180 to S$650. Hose and valve replacement every few years is S$180 to S$450..

This is the sequence a careful technician uses so you can tell a shortcut from a finished job. Tools stay in the van. Readings and photos go on the same worksheet as the price. A jug, a torch, a date list, silicone when the joint is due, correct hinge lubricant, and a plumber’s kit when valves are due. The board cover stays on during the monthly test.

1. Step 1. Make the area safe and confirm the symptom still matches the photos. For A tropical year has a monthly, a quarterly and a five-year list, that means Stop if the test button fails, if a hose is already wet, or if the task puts you outside a railing.
2. Step 2. Measure before touching the finished surface. Write the date you last tested the RCCB, last serviced the aircon, and the year on the braided hoses. If the hose has no date and the flat is over five years into a renovation, treat it as due.
3. Step 3. Set protection and lay out the tools that belong to this material. A jug, a torch, a date list, silicone when the joint is due, correct hinge lubricant, and a plumber’s kit when valves are due. The board cover stays on during the monthly test.
4. Step 4. Carry out the repair in the order the material allows. a dry trap is ignored, a seized relief valve is never moved, or a bulging hose is taped is the failure this order is written to avoid.
5. Step 5. Test in place. The list has dates. The RCCB tripped and reset. Traps are wet. Hoses that were due are new. The weep hole and the scupper are open.
6. Step 6. Clean, label the photographs against the invoice lines, and leave the statutory openings, weep holes, access panels and labels visible.

The order matters because a dry trap is ignored, a seized relief valve is never moved, or a bulging hose is taped is what happens when a step is rushed. Handover is a measurement, not a handshake. The list has dates. The RCCB tripped and reset. Traps are wet. Hoses that were due are new. The weep hole and the scupper are open. If the reading or the water test fails, the visit is not closed and a second line is priced before anyone leaves. Permit work, if the diagnosis has moved into hacking, waterproofing, or a new layout, stops here and is repriced through V On Construction Pte. Ltd. UEN 201611708H.

Do the free monthly checks yourself. Buy the visits that need tools. The bands are prevention, not emergency call-out. Prices below are 2026 Singapore bands for the described scope. They are not a coupon and they are not a guess after an unopened door. A second trade, such as a PUB licensed plumber or an EMA licensed electrician, is named when the law requires it rather than buried inside the labour line. Compare rows by what they include. The planning-life column belongs to that row only.

2026 SGD scope bands

Brand, material and lifespan

Pin this calendar to the leak guide and the heater guide. They are the emergency versions of the same items.

Three worked jobs show how the same symptom is priced differently in a new BTO, an older resale flat, and a private condo or landed house. The totals are the lines a household actually paid, not a national average. Permit-exempt invoices are issued by Homey Furnishing Pte. Ltd. UEN 202018148K.

Case 1: 4-room BTO in Punggol

The owner started the monthly RCCB test in year two. The button worked. A dry trap was the bathroom smell. A jug of water fixed it. The six-month hinge pass was S$160. No hose was due yet.

Case 2: 22-year resale in Tampines

Hoses were undated. Three braided hoses and two brass angle valves were replaced for S$390 on a chosen afternoon. The old zinc valve was crusted. That is the visit the midnight burst would have become.

Case 3: terrace in Seletar

The flat calendar plus gutters. Quarterly gutter and scupper clear was S$140. The aircon drain vacuum stopped a stain in the ground-floor ceiling. The RCCB test failed and became an electrician’s visit, not a handyman reset.

Start with the test button and the traps this week. Book the six-month pass if the hoses have no date. Send the photos and the measurements from the ten-minute check. The reply prices the band on this page against what the photos actually show.

• If the RCCB test fails
• Heater relief valves
• Replace valves before they snap