How to get rid of cockroaches

Cockroaches are among the most persistent household pests in Singapore. The country’s warm and humid climate provides the perfect environment for them to breed throughout the year. Even well-maintained HDB flats can occasionally experience cockroach infestations because these pests can travel between units through drainage systems, utility pipes, and common corridors.

If you want to get rid of cockroaches, simply spraying insecticide whenever you see one is rarely enough. The key is understanding where they hide, eliminating what attracts them, and preventing them from returning.

Cockroach Killer Home Remedy


Why Cockroaches Are Common in HDB Flats

Cockroaches need only three things to survive:

  • Food
  • Water
  • Shelter

Most HDB homes unintentionally provide all three. Small crumbs, moisture around sinks, and narrow hiding spaces make ideal habitats for cockroaches.

Once they establish a nesting area, they reproduce quickly. A single female German cockroach can produce hundreds of offspring during her lifetime.

Get Rid of Cockroaches

Common Places Cockroaches Hide

Knowing where they hide is the first step if you want to get rid of cockroaches effectively.

1. Under Kitchen Cabinets

Dark, warm spaces beneath cabinets are favourite hiding spots. Food particles and moisture often accumulate unnoticed.

Check regularly for:

  • Droppings
  • Egg cases
  • Dead insects
  • Musty odours

2. Behind the Refrigerator

The heat generated by refrigerators attracts cockroaches.

Dust, food debris, and condensation provide an ideal environment.

Move your refrigerator occasionally to clean:

  • Behind it
  • Underneath it
  • Around the compressor area

3. Under the Sink

Kitchen and bathroom sinks are among the most common nesting areas.

Leaks, damp pipes, and darkness create perfect breeding conditions.

Repair leaking pipes promptly.


4. Drainage Areas

Cockroaches often enter through:

  • Floor traps
  • Kitchen drains
  • Bathroom drains

Drain covers help reduce access.


5. Behind Appliances

They frequently hide behind:

  • Washing machines
  • Microwaves
  • Ovens
  • Dish racks

These areas are rarely cleaned thoroughly.


6. Inside Cupboards

Stored food, cardboard packaging, and clutter create safe nesting locations.

Transfer dry foods into airtight containers whenever possible.


7. False Ceilings and Utility Areas

Some cockroaches hide inside:

  • Ceiling voids
  • Utility cabinets
  • Electrical trunking

These locations are warm, dark, and seldom disturbed.


What Attracts Cockroaches?

Many homeowners unknowingly attract cockroaches through everyday habits.

Common attractants include:

  • Dirty dishes left overnight
  • Open food containers
  • Pet food left out
  • Overflowing rubbish bins
  • Water leaks
  • Greasy kitchen surfaces
  • Food crumbs
  • Cluttered storage

Removing these attractants significantly reduces infestations.


Practical Ways to Get Rid of Cockroaches

Keep the Kitchen Dry

Cockroaches cannot survive long without water.

Wipe sinks dry before bedtime and repair dripping taps.


Clean Daily

Regular cleaning removes food sources.

Pay attention to:

  • Under dining tables
  • Kitchen corners
  • Behind appliances
  • Inside cabinets

Store Food Properly

Use airtight containers for:

  • Rice
  • Sugar
  • Flour
  • Cereals
  • Pet food

Avoid leaving fruits exposed for long periods.


Empty Rubbish Frequently

Do not leave overflowing rubbish indoors overnight.

Use bins with tight-fitting lids.


Seal Entry Points

Inspect your home for:

  • Pipe gaps
  • Wall cracks
  • Openings around electrical conduits

Seal them with suitable fillers where practical.


Reduce Clutter

Old newspapers, cardboard boxes, and unused items provide excellent hiding places.

Decluttering makes it easier to detect infestations early.


Signs You Have a Cockroach Infestation

Watch for:

  • Small black droppings
  • Egg capsules
  • Dead cockroaches
  • Musty smell
  • Cockroaches appearing during the day

Daytime sightings often indicate a larger infestation, as overcrowding may already be occurring in hiding places.


Products That Can Help

Depending on the severity of the problem, homeowners often consider:

  • Cockroach bait stations
  • Gel baits
  • Sticky insect traps
  • Drain covers
  • Airtight food storage containers
  • Kitchen cabinet organisers
  • Vacuum cleaners with crevice tools
  • Sealants for cracks and gaps
  • Covered rubbish bins
  • Under-sink moisture absorbers

These products work best when combined with good cleaning habits rather than used as standalone solutions.


When to Call Pest Control

If cockroaches continue appearing despite regular cleaning and baiting, the infestation may be inside wall cavities, drainage systems, or neighboring units.

Professional pest control services can identify nesting locations and provide more comprehensive treatment when DIY methods are no longer effective.


Final Thoughts

Learning how to get rid of cockroaches involves more than eliminating the insects you can see. Successful control starts with removing food, moisture, and hiding places while maintaining good household hygiene. Regular inspections, prompt cleaning, and preventive measures can greatly reduce the likelihood of recurring infestations in Singapore HDB homes.

By acting early, you can keep your home cleaner, healthier, and far less inviting to unwanted pests.


Recommended Products to Help Get Rid of Cockroaches

If you’re looking to get rid of cockroaches in your Singapore HDB home, combining effective housekeeping with the right products can greatly improve your chances of eliminating them. Below are some practical solutions commonly available on Shopee Singapore that can help prevent infestations or reduce existing cockroach populations.

Cockroach Gel Baits

Cockroach gel baits are among the most effective solutions for indoor infestations. Unlike sprays that kill only the insects you see, gel baits attract cockroaches, which carry the bait back to their nests. This can help reduce the entire colony over time.

  • Best Cockroach Gel Baits in Singapore
(Bundle of 2)(Local Stock) Natural pest & cockroach repellent for car and home
Shopee.sg
4.9
(Bundle of 2)(Local Stock) Natural pest & cockroach repellent for car and home
VGD Cockroach Repellent Cockroach Safe Non-toxic Repellent Box Cockroach Repellent Gel 驱蟑魔盒
Shopee.sg
4.7
VGD Cockroach Repellent Cockroach Safe Non-toxic Repellent Box Cockroach Repellent Gel 驱蟑魔盒
Advion Cockroach Bait Station, 12 Count, Can be placed anywhere, easy to use and clean, and provides long-lasting effectiveness for up to 12 months.
Shopee.sg
5.0
Advion Cockroach Bait Station, 12 Count, Can be placed anywhere, easy to use and clean, and provides long-lasting effectiveness for up to 12 months.
Mosquito Repellent Gel Cockroach/Lizard/Ants/Flies Magic Box Safe & Non-toxic Ant Killer Plant
Shopee.sg
5.0
Mosquito Repellent Gel Cockroach/Lizard/Ants/Flies Magic Box Safe & Non-toxic Ant Killer Plant

Cockroach Bait Stations

Bait stations provide a cleaner, child-friendly, and pet-conscious alternative to loose bait. They are easy to place behind appliances, under sinks, and inside cabinets where cockroaches frequently travel.

  • Best Cockroach Bait Stations
Easyout Cockroach Killer Cockroach Repellent Cockroach Bait Stations Insect Repellent 6Pcs/Box
Shopee.sg
5.0
Easyout Cockroach Killer Cockroach Repellent Cockroach Bait Stations Insect Repellent 6Pcs/Box
[ Bundle Of 2 ] Combat Roach Killer Bait Stations, 6 Baits
Shopee.sg
5.0
[ Bundle Of 2 ] Combat Roach Killer Bait Stations, 6 Baits
Combat Roach Killer Bait Stations (6s)
Shopee.sg
4.9
Combat Roach Killer Bait Stations (6s)
Combat Roach Killing Bait Strips (10 strips)
Shopee.sg
4.9
Combat Roach Killing Bait Strips (10 strips)

Sticky Cockroach Traps

Sticky traps help monitor cockroach activity while catching wandering insects. They are useful for identifying problem areas before infestations become severe.

  • Best Sticky Cockroach Traps
【 free Roach Bait 】10pcs Cockroach Killer Repeller Roach Traps Roach Motel Kitchen Cockroach Sticker
Shopee.sg
4.8
【 free Roach Bait 】10pcs Cockroach Killer Repeller Roach Traps Roach Motel Kitchen Cockroach Sticker
Controz ICE Insect Trap | 12pc Cockroach, Crawling Insect & Lizard Mini Glue Trap | Customise Size
Shopee.sg
4.8
Controz ICE Insect Trap | 12pc Cockroach, Crawling Insect & Lizard Mini Glue Trap | Customise Size
[SG Ready Stock] 10Pcs Cockroach Trap Lizard Spider Sticky Glue Traps Pest Control with Bait Non-Toxic
Shopee.sg
4.9
[SG Ready Stock] 10Pcs Cockroach Trap Lizard Spider Sticky Glue Traps Pest Control with Bait Non-Toxic
5Pcs Cockroach House (Lipas) Catcher / Non Toxic Cockroach Trap solution
Shopee.sg
4.9
5Pcs Cockroach House (Lipas) Catcher / Non Toxic Cockroach Trap solution

Cockroach Killer Sprays

Fast-acting sprays remain useful for killing visible cockroaches immediately. They work well as a supplementary solution alongside bait systems.

  • Best Cockroach Killer Sprays
Pest control spray Insect repellent spray Kill flies/cockroach/ants Car and indoor effective Pest spray 500ml
Shopee.sg
4.9
Pest control spray Insect repellent spray Kill flies/cockroach/ants Car and indoor effective Pest spray 500ml
MaxcU Natural Pest Repellent Spray (250ml) – Cockroach & Ant / Lizard / Bed Bug
Shopee.sg
4.8
MaxcU Natural Pest Repellent Spray (250ml) – Cockroach & Ant / Lizard / Bed Bug
Combat Speed Crawling Insect Killer Aerosol Spray (600g)
Shopee.sg
5.0
Combat Speed Crawling Insect Killer Aerosol Spray (600g)
BAYGON Protector Insect Killer Aerosol Spray Assorted (500ml)
Shopee.sg
4.9
BAYGON Protector Insect Killer Aerosol Spray Assorted (500ml)

Ultrasonic Pest Repellers

Although results vary depending on the environment, many homeowners use ultrasonic pest repellers as an additional preventive measure to discourage cockroaches and other crawling insects from entering living spaces.

  • Best Ultrasonic Pest Repellers
Budget Ultrasonic Pest Repeller - Keeps Flies & Bats Away Effectively
Shopee.sg
5.0
Budget Ultrasonic Pest Repeller - Keeps Flies & Bats Away Effectively
Ultrasonic Pest Repeller Electronic Insect Repellent Indoor Plug in Pest Anti Cockroaches/Mouse with LCD Screen UK Plug
Shopee.sg
5.0
Ultrasonic Pest Repeller Electronic Insect Repellent Indoor Plug in Pest Anti Cockroaches/Mouse with LCD Screen UK Plug
【RGAR】Intelligent Dual-frequency Ultrasonic Pest Repellent Drive away Mosquito/Cockroach/Lizard/Ants/Gecko/Flies/Insects/Rat and Other Pests
Shopee.sg
4.9
【RGAR】Intelligent Dual-frequency Ultrasonic Pest Repellent Drive away Mosquito/Cockroach/Lizard/Ants/Gecko/Flies/Insects/Rat and Other Pests
TEASG Ultrasonic Pest Repeller High Quality Portable Useful Rechargeable
Shopee.sg
5.0
TEASG Ultrasonic Pest Repeller High Quality Portable Useful Rechargeable

Drain Covers and Floor Trap Covers

Many cockroaches enter HDB flats through floor traps and drainage systems. Installing drain covers can help reduce access points while still allowing proper water flow.

  • Best Drain Covers for HDB Homes
PVC /Stainless steel insects /Hair and odour control / Drain floor Grating cover / floor trap (6”x6”)
Shopee.sg
4.9
PVC /Stainless steel insects /Hair and odour control / Drain floor Grating cover / floor trap (6”x6”)
GEESO Silicone Floor Drain Cover Anti-smell Sealing Toilet Floor Drain Deodorant Silicone Cover Anti-insect Drain Cover Penutup Sinki 硅胶地漏盖
Shopee.sg
4.9
GEESO Silicone Floor Drain Cover Anti-smell Sealing Toilet Floor Drain Deodorant Silicone Cover Anti-insect Drain Cover Penutup Sinki 硅胶地漏盖
[SG Stock] Thicken Silicone Floor Drain Cover [Water Cannot Come Through] Bathroom Drainage Deodorant Pad
Shopee.sg
4.9
[SG Stock] Thicken Silicone Floor Drain Cover [Water Cannot Come Through] Bathroom Drainage Deodorant Pad
10 Pcs Pack Floor Drain Filter, Mesh, Cover - Disposable & Anti-Infestation, Hair Catcher & Drain Flies trap
Shopee.sg
4.7
10 Pcs Pack Floor Drain Filter, Mesh, Cover - Disposable & Anti-Infestation, Hair Catcher & Drain Flies trap

Airtight Food Storage Containers

Leaving food exposed is one of the biggest attractions for cockroaches. Airtight storage containers help keep dry foods fresh while removing a major food source for pests.

  • Best Airtight Food Storage Containers
【Sg Stock】Airtight Dry food storage container Kitchen Storage Spice Jar Grain Storage with Leak Proof Cover
Shopee.sg
4.8
【Sg Stock】Airtight Dry food storage container Kitchen Storage Spice Jar Grain Storage with Leak Proof Cover
TopMart Customizable Airtight Food Storage Set - 12 Sizes to Suit Every Kitchen
Shopee.sg
5.0
TopMart Customizable Airtight Food Storage Set - 12 Sizes to Suit Every Kitchen
[Next Day Delivery] Airtight Food Container Storage Container Stackable Plastic Kitchen Bekas Makanan Kedap Udara 密封罐
Shopee.sg
4.8
[Next Day Delivery] Airtight Food Container Storage Container Stackable Plastic Kitchen Bekas Makanan Kedap Udara 密封罐
Lock & Lock Airtight Classic Food Container 1.9L Rectangle (HPL818)
Shopee.sg
5.0
Lock & Lock Airtight Classic Food Container 1.9L Rectangle (HPL818)

Covered Kitchen Rubbish Bins

Food waste is a major attraction for cockroaches. A rubbish bin with a secure lid helps contain food odours and makes it harder for pests to access scraps.

  • Best Covered Kitchen Bins
【SG Ready Stock】Hanging Waste Bin Plastic Kitchen Trash Bin With Lid
Shopee.sg
4.8
【SG Ready Stock】Hanging Waste Bin Plastic Kitchen Trash Bin With Lid
[SG Ready stock] Hanging Kitchen Rubbish Bin with Lid Waste bin dustbin Trash Bins Garbage Recycling Bin 厨房垃圾桶
Shopee.sg
4.8
[SG Ready stock] Hanging Kitchen Rubbish Bin with Lid Waste bin dustbin Trash Bins Garbage Recycling Bin 厨房垃圾桶
Large Kitchen Trash Bin with Lid Automatic Double Layer Dry Wet Separation Rubbish Bin for Home Use
Shopee.sg
4.9
Large Kitchen Trash Bin with Lid Automatic Double Layer Dry Wet Separation Rubbish Bin for Home Use
[SG Seller] Step Pedal Dustbin Trash Bin with Lid – 8L / 15L / 20L Rubbish Waste Bin for Kitchen Bathroom Household Use
Shopee.sg
4.9
[SG Seller] Step Pedal Dustbin Trash Bin with Lid – 8L / 15L / 20L Rubbish Waste Bin for Kitchen Bathroom Household Use

Under-Sink Storage Organizers

Keeping the area beneath your sink organised makes it easier to spot leaks, clean regularly, and detect early signs of cockroach activity.

  • Best Under-Sink Organisers
2 Layer Undersink Storage Rack with Bottom Pull Out Drawer, Kitchen Bathroom Storage Under Sink Organizer with Hooks
Shopee.sg
4.9
2 Layer Undersink Storage Rack with Bottom Pull Out Drawer, Kitchen Bathroom Storage Under Sink Organizer with Hooks
【SG stock】Adjustable Pot Rack Pot Organiser Under Sink Kitchen Sink Organiser Kitchen Pot Pan Rack Steel Pot Holder
Shopee.sg
4.8
【SG stock】Adjustable Pot Rack Pot Organiser Under Sink Kitchen Sink Organiser Kitchen Pot Pan Rack Steel Pot Holder
Under Sink Rack/Kitchen Storage Shelf Rack/Home Multiple Cabinet Drawer Organizer
Shopee.sg
4.8
Under Sink Rack/Kitchen Storage Shelf Rack/Home Multiple Cabinet Drawer Organizer
SG Adjustable Under Sink Kitchen Rack - Basin Cabinet Storage Stand Shelf Bathroom Organizer Home Organiser
Shopee.sg
4.8
SG Adjustable Under Sink Kitchen Rack - Basin Cabinet Storage Stand Shelf Bathroom Organizer Home Organiser

Moisture Absorbers and Dehumidifiers

Cockroaches thrive in damp environments. Moisture absorbers help reduce humidity inside kitchen cabinets, wardrobes, and utility areas, making these spaces less attractive to pests.

  • Best Moisture Absorbers for HDB Homes
Dehumidifier Bag Anti-Mold Moisture Absorber Drying Agent Prevents Mildew & Dampness
Shopee.sg
5.0
Dehumidifier Bag Anti-Mold Moisture Absorber Drying Agent Prevents Mildew & Dampness
[100g / 230g] Hanging Wardrobe Dehumidifier Bag Moisture Absorber Bags
Shopee.sg
4.8
[100g / 230g] Hanging Wardrobe Dehumidifier Bag Moisture Absorber Bags
100pcs Silica Gel ABlue bsorb Moisture Food Grade Oxygen Absorber Desiccant Penyerap Lembapan Silika Gel OPP 食品干燥剂/防潮剂
Shopee.sg
4.9
100pcs Silica Gel ABlue bsorb Moisture Food Grade Oxygen Absorber Desiccant Penyerap Lembapan Silika Gel OPP 食品干燥剂/防潮剂
Silica Gel Packets Desiccant Gel Dehumidifier Moisture Absorber for Clothes, Shoes
Shopee.sg
4.9
Silica Gel Packets Desiccant Gel Dehumidifier Moisture Absorber for Clothes, Shoes

Crack and Gap Sealants

Small openings around plumbing pipes, walls, and kitchen cabinets often serve as entry points for cockroaches. Acrylic sealants or gap fillers can help block these access routes.

  • Best Crack and Gap Sealants
SG stock❤️ Silicone sealant white clear / Tile grout sealant / Glass glue gap repair Waterproof sealant gap filler 密封胶
Shopee.sg
5.0
SG stock❤️ Silicone sealant white clear / Tile grout sealant / Glass glue gap repair Waterproof sealant gap filler 密封胶
[SG] 300g Grout Filler ✨ Wood Filler Tile Grout Vinyl Flooring Grout Pen Tile Repair Sealant Silicon Tile Cleaner
Shopee.sg
4.8
[SG] 300g Grout Filler ✨ Wood Filler Tile Grout Vinyl Flooring Grout Pen Tile Repair Sealant Silicon Tile Cleaner
⚡SG Stock⚡Wall Hole Sealant, Sewer Pipe Wall Hole Repair Sealing Glue Mud, Waterproof Sealant Gap Filler Household Tools
Shopee.sg
4.7
⚡SG Stock⚡Wall Hole Sealant, Sewer Pipe Wall Hole Repair Sealing Glue Mud, Waterproof Sealant Gap Filler Household Tools
[✅SG Seller] Drywall Patch Repair Kit 250g Wall Mending Agent Multi-functional Quick-drying Paste Adhesive Heavy Duty
Shopee.sg
4.8
[✅SG Seller] Drywall Patch Repair Kit 250g Wall Mending Agent Multi-functional Quick-drying Paste Adhesive Heavy Duty

Handheld Vacuum Cleaners

Vacuuming crumbs, dead insects, egg cases, and debris from corners and tight spaces helps maintain a cleaner environment that is less inviting to cockroaches.

  • Best Handheld Vacuum Cleaners
Coloisa 8 in1 Wireless Vacuum Cleaner Blower 60000RPM Cordless vacuum cleaner Air Duster Blower Car Vacuum Cleaner Kereta 吸塵器
Shopee.sg
4.7
Coloisa 8 in1 Wireless Vacuum Cleaner Blower 60000RPM Cordless vacuum cleaner Air Duster Blower Car Vacuum Cleaner Kereta 吸塵器
Wireless Handheld Mini Vacuum Cleaner 5-in-1 Suction and Blowing for Car and Household Use Cordless Vacuum Cleaner
Shopee.sg
5.0
Wireless Handheld Mini Vacuum Cleaner 5-in-1 Suction and Blowing for Car and Household Use Cordless Vacuum Cleaner
SG STOCK Cordless Handheld Vacuum Cleaner Portable Blower Vacuum Cleaner Mini Vacuum For Home/Car Wet And Dry 车载吸尘器
Shopee.sg
5.0
SG STOCK Cordless Handheld Vacuum Cleaner Portable Blower Vacuum Cleaner Mini Vacuum For Home/Car Wet And Dry 车载吸尘器
Vacuum Cleaner Mini Handheld Car Vacuum 12000Pa Power Suction Portabe Multifunctional Use
Shopee.sg
5.0
Vacuum Cleaner Mini Handheld Car Vacuum 12000Pa Power Suction Portabe Multifunctional Use

Why These Products Work Well Together

No single product can completely eliminate cockroaches. The most effective approach combines several methods:

  • Eliminate the colony: Cockroach gel baits and bait stations.
  • Kill visible insects: Cockroach killer sprays.
  • Monitor activity: Sticky cockroach traps.
  • Block entry points: Drain covers and crack sealants.
  • Remove food sources: Airtight food containers and covered rubbish bins.
  • Reduce favourable conditions: Moisture absorbers and regular cleaning with a handheld vacuum.