Floor WC · Wall-hung · Replace & repair

Toilet & WC Installation in Koh Samui

Floor-mounted and wall-hung toilet installation for villas and homes on Koh Samui — site visit, leak-free handover and on-island plumbers from CHK / Samui Fixit.

Toilet installation solutions

Filter by job type — brand, rough-in and access confirmed on site before your QT (flat vs mountain priced separately).

  • Floor-mounted WC install

    Set bowl on flange, new wax ring and bolts — level and silicone seal to floor tile.

    • Site measure
    • Owner-supplied OK

  • Wall-hung toilet set

    Concealed frame or carrier — needs solid wall or reinforced stud bay.

    • With renovation
    • Access panel

  • One-piece vs two-piece

    Match rough-in and trap way to existing drain — photo model plate before order.

    • S-trap / P-trap
    • Brand list

  • Remove & replace existing WC

    Drain bowl, scrape old wax, inspect flange — quote tile patch if needed.

    • Same-day small
    • Disposal note

  • Wax ring & flange repair

    Fix rock, odour or seep at base — replace ring, shim or repair broken flange.

    • Photo quote
    • Leak test

  • Cistern & flush valve service

    Running fill, weak flush or stuck button — replace internals or full cistern.

    • Parts on truck
    • Same-week

  • Concealed cistern install

    In-wall tank with inspection door — coordinate with tile and frame trades.

    • With renovation
    • Pressure test

  • Bidet spray & hose add-on

    Wall bracket, stop valve and flexi — check water pressure on upper floors.

    • Cash on site ≤ ฿2k
    • With plumbing hub

  • Villa bathroom WC + basin

    Rough-in, traps and silicone in one visit plan for new builds or refurb.

    • BOQ itemised
    • PM clients

  • Hotel & heavy-duty WC

    Back-to-wall and sensor flush options for rental villas and small hotels.

    • Developer punch list
    • Spare parts

  • Post-install leak chase

    Dye test at base, flexi and supply — separate tile strip if waste line fails.

    • With repair hub
    • Photo log

  • Rental villa flush checks

    Scheduled walk-through — flappers, seals and guest damage notes for PMs.

    • Monthly plan
    • LINE report

Indicative solutions only — existing pipe condition, tile work and strata rules must be confirmed on site. Warranty starts after full payment; excludes blockages from misuse or foreign objects.

How we help

Site visit & scope

  • Photo existing WC, drain position, supply valves and tile condition.
  • Confirm S-trap or P-trap, rough-in distance and wall strength for wall-hung sets.
  • Note flat vs mountain access and whether owner supplies fixtures or CHK procures.
  • List tile patch, frame install and disposal in the QT before work starts.

Install & connect

  • Shut off water, drain cistern and protect finished floors and tiles.
  • Set bowl or frame, connect waste and supply — torque bolts without cracking china.
  • Install fill valve, flush set and bidet spray with accessible shut-offs.
  • Daily LINE photos for owners and property managers who cannot attend.

Test & handover

  • Multiple flush cycles, fill shut-off and leak check at base and supply.
  • Snag walk with owner or PM — adjust seat, lid and silicone bead if needed.
  • Care notes for guest villas: no wipes, foreign objects or harsh cleaners in bowl.
  • Written warranty starts after full payment per CHK policy.

Koh Samui delivery

  • One CHK team for WC install, tile, renovation and plumbing follow-ups.
  • 50% deposit on jobs over ฿10,000; cash on site up to ฿2,000 for small swaps.
  • English and Thai updates for villa owners and overseas property managers.
  • Formal QT with VAT 7% and itemised BOQ for accounting and insurance files.

Install your WC on Koh Samui

Send photos of the existing toilet, model if known, and bathroom layout — we reply on LINE with a visit slot and QT outline.

LINE · @samuifix Request site visit Plumbing & sanitary View all services