The Most Common Plumbing Mistakes Homeowners Make
Avoid these common plumbing mistakes to help prevent leaks, water damage, and expensive repairs in your Perth home.
Many plumbing problems don’t happen overnight — they’re often the result of small mistakes that build up over time. From pouring grease down the sink to ignoring minor leaks, everyday habits can put unnecessary strain on your home’s plumbing system.
The good news is that most of these issues are preventable. By understanding the most common plumbing mistakes homeowners make, you can keep your plumbing running efficiently, avoid unexpected breakdowns, and save money on repairs.
Here are some of the biggest plumbing mistakes and how to avoid them.
Ignoring Small Leaks
A dripping tap or a minor pipe leak might seem harmless, but even a slow leak can waste thousands of litres of water over time and lead to mould, water damage, and higher utility bills.
Small leaks can also indicate a larger plumbing issue developing behind walls or beneath floors.
Instead of putting off repairs:
Fix leaking taps promptly.
Investigate damp patches.
Monitor your water bill for unexpected increases.
Arrange professional leak detection if the source isn’t obvious.
Addressing small leaks early is usually much less expensive than repairing major water damage later.
Pouring Grease and Oil Down the Drain
Cooking oil, grease and fats may go down the drain as liquids, but they quickly cool and solidify inside your pipes.
Over time, this sticky residue traps food scraps and other debris, creating stubborn blockages.
Instead:
Let grease cool before disposal.
Wipe greasy pans with paper towels.
Dispose of cooking oil in sealed containers.
Use sink strainers to catch food waste.
Simple kitchen habits can significantly reduce the risk of blocked drains.
Flushing the Wrong Items Down the Toilet
Toilets are only designed to flush human waste and toilet paper.
Many products labelled “flushable” don’t break down properly and can contribute to blocked pipes.
Avoid flushing:
Wet wipes
Paper towels
Cotton buds
Sanitary products
Dental floss
Nappies
Using your toilet correctly helps protect both your plumbing and the local sewer system.
Using Chemical Drain Cleaners Too Often
When a drain blocks, chemical cleaners may seem like a quick solution. However, repeated use can damage certain pipe materials and may not completely remove the underlying blockage.
Instead of relying on chemicals:
Use a drain strainer.
Flush drains with hot water periodically.
Arrange professional drain cleaning for recurring blockages.
Professional equipment removes blockages more effectively without damaging your plumbing.
Ignoring Low Water Pressure
Many homeowners simply accept low water pressure as normal.
However, reduced pressure can be caused by:
Hidden leaks
Pipe corrosion
Blocked pipes
Faulty pressure regulators
Identifying the cause early helps prevent more serious plumbing problems.
Attempting DIY Plumbing Repairs Without Experience
There are plenty of online tutorials, but not every plumbing problem should become a DIY project.
Incorrect repairs often lead to:
Water leaks
Burst pipes
Poor water pressure
Damage to fittings
Higher repair costs later
Simple jobs like replacing a showerhead may be suitable for DIY, but anything involving pipework, gas or major leaks should be handled by a licensed plumber.
Forgetting to Service Your Hot Water System
Hot water systems work every day, yet many homeowners never have them inspected until something goes wrong.
Regular servicing can help:
Improve efficiency
Extend the unit’s lifespan
Detect worn components
Reduce the risk of unexpected breakdowns
Routine maintenance is often much cheaper than emergency replacement.
Using Pipes as Storage Supports
It’s common to see people hang heavy items from exposed pipes in garages or under sinks.
This places unnecessary stress on pipe joints and brackets, increasing the risk of leaks over time.
Avoid hanging:
Cleaning products
Garden hoses
Heavy tools
Storage baskets
Pipes should only support water — not extra weight.
Ignoring Early Warning Signs
Plumbing systems usually provide warning signs before major failures occur.
Don’t ignore:
Gurgling drains
Strange pipe noises
Slow-draining sinks
Damp walls
Unpleasant drain odours
Higher-than-normal water bills
Early action can prevent expensive emergency plumbing repairs.
Skipping Regular Plumbing Maintenance
Many homeowners only call a plumber after something breaks.
Routine plumbing maintenance helps identify developing issues before they become emergencies.
A maintenance inspection may include:
Leak detection
Water pressure testing
Hot water system checks
Pipe inspections
Drain inspections
Tap and toilet inspections
Preventative maintenance helps extend the life of your plumbing system while reducing unexpected repair costs.
Professional Plumbing Services in Perth
At Perth Local Plumbing & Gas, we help homeowners across Perth keep their plumbing systems operating safely and efficiently. Whether you have a leaking tap, blocked drain, hot water issue or hidden pipe leak, our experienced team provides reliable plumbing solutions tailored to your home.
Our services include:
General plumbing repairs
Leak detection
Blocked drain services
Hot water system repairs and installations
Burst pipe repairs
Gas fitting services
Emergency plumbing
Regular maintenance and prompt repairs can help prevent many of the common plumbing mistakes discussed above.
Frequently Asked Questions
What is the most common plumbing mistake homeowners make?
Ignoring small leaks is one of the most common mistakes. Even minor leaks can lead to water damage, mould growth and higher water bills if left unrepaired.
Is it safe to use chemical drain cleaners?
Occasional use may help with minor blockages, but repeated use can damage pipes and often fails to remove the underlying cause of the blockage.
How often should plumbing be inspected?
A professional plumbing inspection every one to two years can help identify leaks, corrosion and other issues before they become costly repairs.
Why does low water pressure happen?
Low water pressure may be caused by hidden leaks, blocked pipes, mineral build-up, ageing plumbing or faulty pressure regulators.
When should I call a licensed plumber?
If you’re dealing with persistent leaks, blocked drains, burst pipes, hot water problems or anything involving gas plumbing, it’s best to contact a licensed plumber.
Keep Your Plumbing Running Smoothly
Many plumbing emergencies can be avoided by changing a few everyday habits and addressing small issues before they become major problems. By avoiding these common plumbing mistakes and scheduling regular maintenance, you can protect your Perth home, reduce repair costs and keep your plumbing system operating efficiently.
If you need professional plumbing advice or repairs, Perth Local Plumbing & Gas is ready to help with reliable plumbing services across Perth.













