PUB licensed plumber · WS16882018 Verify on PUB ↗ Mon–Sat 08:00–17:00 Islandwide Singapore
AOT PlumbingAlpha & Omega Trinity Pte Ltd
Home › Services › HDB plumber
HDB flats · 3 / 4 / 5-room / executive PUB licensed WS16882018

HDB plumber in Singapore — flat layouts, common faults and how to describe yours

Three decades of HDB layouts share the same weak points. Here's what we get called for in each flat type, what to photograph, and what the work costs from.

Flat types

Common faults by flat type

Straight from the call-outs we take. Use it as a prompt sheet when you message us.

Flat typeWhat we get called forWhere it usually sitsFrom
3-room HDBKitchen sink choke, slow shower floor trap, dripping mixerKitchen stack, common bathroom floor trap, service yardFrom $50–$60
4-room HDBToilet bowl choke, running cistern, basin trap leakCommon bathroom, kitchen stack, basin bottle trapFrom $60–$80
5-room / executiveConcealed pipe seepage, water heater point leak, repeat chokesConcealed runs behind walls, service yard, upper-floor wet areasSurvey from $50
Older resale flatsRepeat joint failures, cisterns overdue for valves, scaled runsAgeing pipework and fittings throughoutSurvey from $50
Nothing here is a diagnosis. It's a prompt sheet built from what we see, so you can tell us enough on WhatsApp for an accurate from-price.
What to send

Photograph it the way a plumber would

  • Floor trap: wipe it dry, then shoot straight down. We're looking at the grate and the water level.
  • Kitchen sink: shoot the underside of the sink, not the bowl — the trap and connectors are there.
  • Tap or mixer: photo from below the basin, plus the brand if you can see it.
  • Cistern: lid off, shot inside the tank. The valve position tells us a lot.
  • Leak or damp patch: one close-up and one wide shot with something for scale.
  • Water meter: if consumption jumped, send your last two bills.

Regulated work and HDB rules

Regulated plumbing works in Singapore are required to be carried out by a PUB licensed plumber — ours is Lam Kien Choon, licence WS16882018, verifiable on PUB's website. Our company also holds BCA ME12 registration for plumbing and sanitary works. Where a job needs building or town council approval, we'll flag it before starting.

HDB flat? Tell us the type and postcode

Alpha & Omega Trinity Pte Ltd · UEN 201215586K · PUB licensed plumber WS16882018 · BCA ME12 · Mon–Sat 08:00–17:00.