Mould on Wooden Furniture in Singapore: Causes, Removal and Prevention

Last updated: 10 October 2026 · By the Sureclean cleaning team

Short answer: Mould on wooden furniture in Singapore is caused by constant humidity, closed-up rooms and carpentry built against damp walls. For light growth, empty the piece, vacuum loose spores, wipe with mild detergent or diluted white vinegar, avoid bleach, and dry it fully with a fan or dehumidifier. Prevent it with daily ventilation, a dehumidifier and a gap behind furniture. If mould has spread across several rooms, a one-time professional deep clean starts from $600*.

Why does mould grow on wooden furniture in Singapore?

Mould needs three things: moisture, something to feed on and still air. Singapore provides the moisture all year round. Wood, and the glues in plywood and particleboard, provide the food. A closed wardrobe provides the still air. Mould spores are always in indoor air, and they only settle and spread when a surface stays damp for long enough.

The usual triggers in local homes are:

• Closed-up flats: windows shut while everyone is at work, or during a long holiday.
• Indoor laundry: clothes dried in the bedroom or service yard put more moisture into the unit.
• Built-in carpentry against external or bathroom walls: the back panel stays cooler and damper than the rest of the room.
• Damp items stored away: towels, gym bags or rain-wet shoes shut inside cabinets.

If you can see mould on one panel, it is usually on the hidden sides too. For a single cabinet, the steps below are usually enough. If it has spread across several rooms, our professional spring cleaning service covers a whole-home deep clean.

Where does mould usually appear in HDB, condo and landed homes?

Mould on wooden furniture rarely starts on the front of a door. It starts where air does not move. Check these spots first:

• Wardrobe back panels and corners, especially wardrobes built flush against an external wall or a wall shared with a bathroom.
• Underneath bed frames and storage beds, where the mattress or stored bedding holds moisture against the slats.
• Kitchen base cabinets, particularly the sink cabinet, where a slow leak or condensation keeps the board damp.
• Shoe cabinets near the main door, which keep damp shoes in a closed box.
• Drawer bottoms and the undersides of shelves, which are often unsealed raw board.

The pattern changes with the type of home. In BTO and resale HDB flats, built-in wardrobes and kitchen carpentry are the usual problem. Condo units left empty for weeks, or empty between tenants, often get mould on loose furniture as well. Ground-floor rooms in landed homes tend to be damper than upper floors, so check bed frames and cabinets there more often.

Is it mould, mildew or just dust?

Before you start scrubbing, check what you are dealing with. It takes about a minute:

• Mildew is flat, powdery and white or grey. It sits on the surface and usually wipes off easily.
• Mould is fuzzy or slimy and can be green, black, blue or white. It often grows in spots or patches that spread outwards, and it may leave a stain after wiping.
• Dust lies evenly across a surface, does not form spots and has no smell.

The smell is often the best clue. A musty, earthy smell when you open a wardrobe usually means mould is growing somewhere, even if you cannot see it yet. Pull out the drawers and look at the back panel with a torch.

Also check whether the wood itself is damaged. If the laminate is peeling, the particleboard has swollen at the edges or the panel feels soft, moisture has got into the core. Surface cleaning will remove the mould you can see, but the panel may keep growing it and could need replacing by a carpenter.

How do you remove mould from wooden furniture step by step?

For light to moderate mould on sealed or laminated wood, follow these steps in order:

• 1. Protect yourself. Wear gloves and a well-fitting mask, open the windows and point a fan outwards.
• 2. Empty the furniture. Take everything out. Wash affected clothes and bedding, and dry them fully in the sun or a dryer before putting them back.
• 3. Remove loose growth. Use a vacuum with a brush attachment. Do not dry-brush, because that spreads spores around the room.
• 4. Wash the surface. Wipe with warm water and a little dishwashing liquid, using a cloth that is damp, not wet. For stubborn spots, use diluted white vinegar on sealed surfaces, testing a hidden corner first. Do not soak laminate edges, because particleboard swells when wet.
• 5. Avoid bleach. It can discolour wood and does little on porous surfaces. Never mix bleach with vinegar or ammonia.
• 6. Dry thoroughly. Leave doors and drawers open, with a fan or dehumidifier running, for a day or two.
• 7. Check again after a week. If spots come back, the moisture problem has not been fixed.

Unfinished wood with deep staining may need light sanding and resealing.

Why is new carpentry so prone to mould after renovation?

Many homeowners first find mould on wooden furniture within months of getting their keys. New wardrobes, bed frames and kitchen cabinets are usually made from plywood or particleboard covered in laminate. In the first year, several things work against them:

• Moisture from the works: wet trades such as tiling, plastering and painting leave walls damp, and carpentry fitted against those walls traps the moisture.
• Units kept shut: new flats often sit locked and empty for weeks while owners wait for furniture or appliances.
• Fine renovation dust: dust left inside cabinets holds moisture and gives spores somewhere to settle.

New carpentry also releases formaldehyde from the resins in engineered board. That is why new wardrobes often have a sharp chemical smell. Formaldehyde and mould are separate problems, but airflow helps with both: leave cabinet doors open and ventilate the flat. If the chemical smell does not fade, a formaldehyde removal treatment deals with it. A post-renovation clean clears the dust before you move your things in.

How do you stop mould coming back?

Removing mould only lasts if you change the conditions that caused it. Use this checklist:

• Run a dehumidifier in rooms with built-in wardrobes, especially when the windows are shut. Empty the tank daily and keep the door closed while it runs.
• Ventilate daily. Open windows for part of the day and use a fan to move air into furniture corners.
• Leave a gap. Keep loose wardrobes and bed frames a few centimetres off the wall so air can move behind them.
• Open wardrobe doors for an hour or so every few days, and do not pack clothes in tightly.
• Store only dry items. Never put away damp towels, gym clothes or shoes.
• Use moisture absorbers inside wardrobes and shoe cabinets, and replace them when they are full.
• Fix leaks quickly. A dripping sink trap will keep kitchen carpentry damp however often you clean it.
• Prepare before you travel. Leave wardrobe doors slightly open and, if you can, set a dehumidifier on a timer.

Make wiping the inside of wardrobes and cabinets every few months part of your routine.

How much does mould cleaning cost in Singapore?

Treating a single cabinet yourself costs little beyond detergent, vinegar, gloves and a mask. The main purchase for prevention is a dehumidifier.

When mould is widespread, professional cleaning is priced by service, not by the amount of mould. At Sureclean, all prices are before GST:

• One-time spring or deep cleaning: from $600*, with most jobs costing $700–$800*. This is the usual choice when several rooms are affected.
• Formaldehyde removal: $600–$1,100* for a whole home, or about $900* for a 5-room flat.
• Post-renovation cleaning: from $350*. For example, a 4-room HDB flat costs $525*.
• Mattress cleaning: a queen mattress costs $140* dry or $165* wet, useful if it has been sitting on a mouldy frame.
• Disinfection: from $265*, typically $370–$475* per session.

First-time customers get a 10% discount. Replacing damaged carpentry is a carpenter’s job and is not part of any cleaning price.

When should you call a professional?

Cleaning it yourself works for a few spots on one piece of furniture. Get help when:

• mould has spread across several wardrobes, several rooms or the kitchen carpentry;
• it comes back within weeks of cleaning;
• you are moving into a unit that has been shut for a long time, or moving out and need to hand it over clean (see move-in and move-out cleaning);
• someone at home has asthma, allergies or a weak immune system and should not breathe in spores during cleaning;
• you do not have time to empty and treat every cabinet.

Sureclean’s professional spring cleaning is a one-time whole-home deep clean done by our own trained crews, who bring their own equipment. We have cleaned Singapore homes since 2013, are NEA-licensed (NEA240120/6509C/C3/N01) and carry S$1,000,000 public liability insurance. When you book, tell us where you have found mould so the crew can plan for it. If the cause is a leak or a damp wall, you will still need a plumber or contractor to fix it, or the mould will come back.

What do mould-related cleaning services cost?

Sureclean’s published starting prices for the services most often needed when mould affects furniture. All prices are before GST, and first-time customers get a 10% discount.

Frequently asked questions

Can I use bleach to remove mould from wooden furniture?

It is best not to. Bleach can discolour and dry out wood, and it does little on porous surfaces where mould roots below the finish. Mild detergent followed by diluted white vinegar on sealed surfaces works better. Never mix bleach with vinegar or ammonia. If mould covers several rooms, a one-time professional deep clean starts from $600*.

Why does my new BTO wardrobe smell musty or chemical?

A musty smell usually means mould, often on the back panel. A sharp chemical smell usually comes from formaldehyde released by new engineered board. Airflow helps with both, so open the doors and ventilate daily. If the chemical smell lasts beyond the first few weeks, whole-home formaldehyde removal costs $600–$1,100*, or about $900* for a 5-room flat.

Will a dehumidifier stop mould on furniture?

A dehumidifier is the most effective single step for prevention, especially in bedrooms with built-in wardrobes and windows that stay shut. It will not remove mould that is already there, so clean affected furniture first. Then run the dehumidifier with the door closed and empty the tank daily. For existing mould across the home, spring cleaning starts from $600*.

How much does professional mould cleaning cost in Singapore?

Widespread mould is usually dealt with through a one-time spring or deep clean. At Sureclean this costs from $600* before GST, with most jobs $700–$800*. Related services include mattress cleaning from $105* and disinfection from $265*. First-time customers get a 10% discount. Replacing swollen or damaged carpentry is separate work for a carpenter.

Do I need to replace my mattress if the bed frame has mould?

Not always. Check the underside of the mattress. If you find spots or a musty smell, clean it properly and let it dry fully before using it again. Wet cleaning a queen mattress costs $165*, and dry cleaning costs $140*. Clean and dry the frame and slats at the same time, or the mattress will pick up mould again.

Related guides

• Spring Cleaning Singapore
• Cleaning prices in Singapore
• Professional spring cleaning

Main service page: Spring Cleaning Singapore — from $600*

*All prices shown are “from” prices for guidance only and are subject to change without notice. Final pricing depends on unit size, condition and site access — we confirm an exact written quote on WhatsApp (+65 6983 9523) before any booking is confirmed.

Alvin Tan

Founder & Managing Director, Sureclean

Alvin founded Sureclean in 2013 to bring reliable, professional cleaning standards to homes and businesses across Singapore. Today, Sureclean is NEA Class 3-licensed (NEA240120/6509C/C3/N01), rated 4.9★ across 1,553+ Google reviews, and has served over 50,000 homes across Singapore — backed by S$1,000,000 in public liability insurance and a 400-hour training standard for every crew member.