Bathroom Mould Removal Cost Singapore

Quick Answer

Bathrooms and toilets are priced as a fixed package, not per surface. Toilet Refresh is $199 (mouldicide treatment, Gush MouldSeal sealer, Gush Core finish coat, toilet pipe treatment, 3-month warranty) and Toilet Protection Pro is $400 (same three steps finished with Pico X Bathroom Pro, 12-month warranty). Pipe painting is an optional +$80, silicone replacement with mould prevention is $120 per job and vanity or cabinet treatment is $120 per job.

Pricing Breakdown

Included on every job: furniture & flooring protection (sheets / masking) plus post-service recovery (surface wipe-down, debris removal).

Scope	From	Notes
Silicone change + mould prevention	From S$120	Per job; floor trap, basin, shower screen joints
Wardrobe / vanity / cabinet treatment	From S$120	Per job; interior antimicrobial + sealer
Toilet Refresh — full package	From S$199	Mouldicide treatment → Gush MouldSeal sealer → Gush Core finish coat, plus toilet pipe treatment; 3-month warranty, about 3 hours on site
Toilet Protection Pro — full package	From S$400	Same 3 steps, finished with Pico X Bathroom Pro for a less porous, moisture-resistant, easier-to-clean surface; 12-month warranty
Optional pipe painting (either package)	+$80	Exposed toilet pipework painted after treatment
Multiple bathrooms or added extras (regrout, silicone, vanity)	From S$1,400	Custom quote after photo triage; typical multi-bathroom scope

Weak Areas We See Most

Wall–ceiling junction (cornice line)

Vapour rises and condenses at the highest cold surface. The 1–2 cm band where wall meets ceiling is the universal first failure point in any Singapore bathroom.

Behind toilet cistern

The wall directly behind the cistern is the coldest surface in the room (cold inlet water cooling the wall). Hidden from view; first noticed when the wallpaper-style finish bubbles or smells.

Silicone joint at floor-trap perimeter

Silicone is hydrophobic on top but mould eats the surfactant additives over time. Black silicone discolouration is mould — replacing the silicone is faster than treating it.

Ventilation fan grille

Fan body sweats, dust glues to grille, mould colonises. Most owners have never cleaned the fan — it's the single highest-spore-emission surface in the bathroom.

Shower screen frame underside

Aluminium frames hold a tiny condensation reservoir. The underside of the bottom horizontal frame member is a perpetual mould zone in heavy-use bathrooms.

Detection Difficulties

Black grout that bleach lightens but doesn't whiten = grout body colonised, not surface — needs replacement or epoxy overlay
Pink/orange film around shower base = Serratia/Aureobasidium (yeast-like, not true mould) — different cleaning protocol
Recurring spot in same place after every paint = ventilation issue, not paint failure
Mould only at top of walls = ventilation undersized; at bottom of walls = capillary moisture from floor
Visible mould inside fan grille = whole-bathroom spore source — clean fan during job, not separately

Removal Challenges

Bleach without subsequent sealer = guaranteed recurrence within 60 days
Painting over without antimicrobial pre-treatment = recurrence in 90–180 days regardless of paint quality
Silicone replacement requires 48-hour bathroom dry-out before reseal — quoted into job timeline
Anti-mould paint requires fully cured substrate (5–7 days post-prep in Singapore humidity) — rushed cures are a top warranty-rejection cause
Toilet pipe treatment is part of both packages — pipework is a hidden condensation and spore source

What Drives the Cost

Package choice: Toilet Refresh ($199, Gush Core, 3-month warranty) vs Toilet Protection Pro ($400, Pico X Bathroom Pro, 12-month warranty)
Bathroom size: 3 m² powder room vs 8 m² master bath — larger bathrooms are confirmed on photo triage
Substrate prep: paint-over-paint vs full strip-back to plaster
Extras: silicone change ($120/job), vanity or cabinet treatment ($120/job), pipe painting (+$80)
Number of bathrooms treated in one visit — multi-bathroom scopes are quoted together

Toilet Refresh vs Toilet Protection Pro — what you actually get

Pico X Bathroom Pro creates a less porous, moisture-resistant surface, so mould is less likely to penetrate the cement and it is generally easier to clean. It is not waterproofing — humidity, condensation and hidden water seepage still have to be controlled.

Choose Toilet Refresh for a straightforward reset of a lightly affected bathroom. Choose Toilet Protection Pro for heavy-use family bathrooms, master baths and bathrooms where mould keeps coming back — the 12-month warranty covers the harder-working surface. Both are booked from the Toilet Refresh & Protection Pro page.

Toilet Refresh ($199): Step 1 Pico X Mouldicide treatment, Step 2 Gush MouldSeal sealer, Step 3 Gush Core finish coat. Includes toilet pipe treatment, furniture and flooring protection, post-service recovery cleaning. 3-month warranty, about 3 hours on site.
Toilet Protection Pro ($400): Exactly the same three steps — only Step 3 changes to the Pico X Bathroom Pro finish coat. 12-month warranty.
Optional on either: pipe painting +$80.

Frequently Asked Questions

Why is $199 the floor for bathroom work?

Below $199 you are paying for cosmetic improvement, not remediation. The Toilet Refresh package buys a real protocol: mouldicide treatment that kills the colony at the substrate (bleach only lightens it), a Gush MouldSeal sealer coat, a Gush Core finish coat, and toilet pipe treatment — with a 3-month warranty behind it.

What is the difference between the $199 and $400 packages?

Only the finish coat and the warranty. Both run the same three steps and both include toilet pipe treatment. Toilet Refresh ($199) finishes with Gush Core and carries a 3-month warranty; Toilet Protection Pro ($400) finishes with Pico X Bathroom Pro — a less porous, moisture-resistant, easier-to-clean surface — and carries a 12-month warranty.

Will it come back?

If we treat the cause (ventilation, sealer, substrate prep), no — that's why both packages carry a warranty (3 months on Toilet Refresh, 12 months on Toilet Protection Pro). If we're asked to spot-treat without addressing ventilation or substrate, we'll quote it but say upfront that recurrence is likely.

Should I just change the silicone instead?

If the only issue is mouldy silicone (floor trap, basin, shower screen joints), yes — our $120/job silicone change + mould prevention is the right scope. But silicone failure often signals wider substrate or ventilation issues; we recommend photo triage before deciding.

Why a WhatsApp photo quote instead of a paid inspection?

For 80% of cases, three photos (close-up, mid, room context) plus the affected area in m² is enough to scope honestly. We only quote a paid inspection when the cause is structurally hidden — inter-flat condensation, suspected concealed leak, or HVAC-borne contamination — and we tell you upfront before charging.

Do bathroom packages come with a warranty?

Yes. Toilet Refresh carries a 3-month warranty and Toilet Protection Pro carries a 12-month warranty on the treated bathroom. Warranty excludes seepage, structural defects and new water ingress events. See full terms at /warranty.

Bathroom Mould Removal Cost — Singapore Pricing Guide