The Tiny house Blog

This One Upgrade Could Slash Your Water Bill

By
Jason Francis
Designed and built over 100 custom tiny homes, lived on a sailboat for 9 months, and loves to live life to the fullest with his wife and their 4 kids.
Updated on:
May 24, 2025
This One Upgrade Could Slash Your Water Bill

Are you tired of skyrocketing water bills? Many homeowners on the Gold Coast are unaware that a simple plumbing upgrade could dramatically reduce their water usage—and their monthly expenses. Whether you're dealing with an old, inefficient system or hidden leaks, a professional plumber Gold Coast can help you identify the best water-saving solutions.

Why Are Gold Coast Water Bills So High?

Before diving into solutions, it’s important to understand why water bills can be excessive:

  • Old Fixtures & Appliances – Outdated toilets, showerheads, and taps waste thousands of litres yearly.
  • Undetected Leaks – A dripping tap or hidden pipe leak can waste up to 20,000 litres per year.
  • Inefficient Hot Water Systems – Traditional systems heat water continuously, increasing energy and water costs.
  • Poor Irrigation Systems – Overwatering gardens with inefficient sprinklers drives up usage.

A plumber on the Gold Coast can conduct a water audit to pinpoint where your home is losing water unnecessarily.

The #1 Upgrade to Reduce Your Water Bill

While multiple upgrades can help, one stands out as the most impactful:

Installing a High-Efficiency Toilet

Why It Works:

  • Older toilets use 9–12 litres per flush, while modern dual-flush models use just 3–4.5 litres.
  • Switching to a 6-star WELS-rated toilet can save a household 35,000+ litres per year.

Additional Benefits:
✔ Lower sewage charges (most bills include water usage + disposal fees).
✔ Reduced strain on Gold Coast’s water supply.
✔ Fewer leaks (newer models have better seals).

When to Call a Plumber on the Gold Coast: If your toilet is over 10 years old, constantly running, or requires multiple flushes, a replacement could pay for itself in savings within 2–3 years.

Other Water-Saving Upgrades to Consider

While toilets are the biggest water guzzlers, these additional upgrades can further reduce bills:

1. Low-Flow Showerheads & Tap Aerators

  • Standard showerheads use 15–25 litres per minute, while low-flow models use 6–9 litres.
  • Tap aerators reduce sink water use by 50% without sacrificing pressure.

Best For: Families, rental properties, and homes with high water usage.

2. Tankless (Instant) Hot Water Systems

  • Traditional storage tanks lose heat, requiring constant reheating.
  • Instant systems heat water on demand, cutting both water and energy waste.

Best For: Larger households or those with high hot water demands.

3. Smart Irrigation Systems

  • Weather-based timers adjust watering based on rainfall.
  • Drip irrigation targets roots directly, reducing evaporation.

Best For: Homes with gardens, lawns, or pools.

4. Leak Detection & Repair

  • A leaking tap (1 drip per second) wastes 12,000+ litres annually.
  • Underground leaks can go undetected for months, inflating bills.

When to Call a Plumber Gold Coast:
✔ If your water bill spikes unexpectedly.
✔ If you hear running water when all taps are off.

How Much Can You Really Save?

Here’s a breakdown of potential savings from common upgrades:

How a Plumber on the Gold Coast Can Help

While some upgrades are DIY-friendly, a professional ensures maximum efficiency and compliance with local regulations.

What a Professional Plumber Offers:

✅ Water Efficiency Assessment – Identifies hidden waste.
✅ Expert Installation – Ensures no leaks or malfunctions.
✅ Rebate Advice – Some upgrades qualify for government rebates.

When to Call a Plumber:

✔ Installing new fixtures (toilets, showers, taps).
✔ Suspecting hidden leaks.
✔ Upgrading hot water or irrigation systems.

Bonus Tips to Reduce Water Usage

Beyond plumbing upgrades, these habits can further cut costs:

  • Run full loads in dishwashers and washing machines.
  • Collect rainwater for gardening.
  • Turn off taps while brushing teeth or shaving.

Final Thoughts

Upgrading to water-efficient fixtures is one of the smartest investments for Gold Coast homeowners. Not only will you slash your water bill, but you’ll also contribute to water conservation in our drought-prone region.

Did you enjoy this post and find value in it? Share it with your friends with the links below!

Need more info? Get

By submitting your email, you agree to our Privacy Policy and Terms

Subscribe to get the latest news

This is a new way to communicate faster than any communication platforms

Thank you!
Your submission has been received! Check your inbox for an email from info@tinyhouse.com with more info!
Oops! Something went wrong while submitting the form. Please try again or email us at support@tinyhouse.com. Thanks!
Want all the latest tiny house inspo and news?

Get free resources, updates, tips & tricks, and special offers by joining the Tiny House Plan Newsletter.

No items found.

Frequently Asked Questions

Find answers — straight from the author — for the most common questions about this article.

Don't see your question here? Contact us!
No items found.

Join The Tiny House Community

Occasionally: Community Events, DIY Tips and Tricks, Tiny House Guides
Never: Junk or Spam and we don't sell or misuse your email.
Welcome to the fam! We're excited to have you join the community.
Oops! Something went wrong while submitting the form. Please try again or use the form below.