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Pond Calculator

No guesswork. No waste. Just the right liner, first time.

Because pond liners aren’t one-size-fits-all and cutting corners here costs time and money later. Use the calculator and order with confidence.

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About Pond Liners

For over 20 years, we’ve helped thousands of homeowners, landscapers, and pond builders get the right liner - first time.

We specialise in cut-to-size pond liners, with a focus on long-term performance, transparent pricing, and fast, reliable delivery.

Whether you’re building a wildlife haven or a formal garden feature, we’re here to help you do it right.

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Customer Reviews

Pond liner arrived yesterday. We fitted it today. Really happy with results. Thank you. Great quality and the ideal liner for our pond.

Just wanted to thank you for getting the liner and underlay to us in these difficult times on schedule. Lovely quality and we now have a great pond.

The pond liner arrived safely today – please pass on our thanks to all involved for getting our order out so speedily.

Just a quick email to thank you for your service. Pond liner fits perfect and looks great. Will recommend you.

I received my liner, it was a perfect fit.

Thank you

Pump Checklist

Calculate Pond Volume

Know your water capacity before you buy.

Use our Pond Volume Calculator to estimate how much water your pond holds. It’s essential for choosing the right pump, filter, and ultraviolet steriliser. Just input your pond’s length, width, and average depth.

Accurate pond volume = the foundation for every good pond setup.

Check Flow Rate

Match your pump to your pond.

A good rule of thumb: your pump should circulate the entire pond volume once every 1–2 hours. Choosing the correct flow rate ensures healthy oxygen levels and keeps your water crystal clear.

Ultraviolet Steriliser

Control algae the natural way.

Adding a UV steriliser to your filtration system kills algae and pathogens without chemicals. It’s the secret to keeping pond water clean, especially during warmer months.

Waterfall Installation

Add movement and sound with the right pump.

Waterfalls require higher flow rates and head height capacity. Make sure your pump is powerful enough to lift water to the desired height while still maintaining good circulation.

Fountain Pumps

Create a focal point and boost oxygen levels.

Fountain pumps enhance visual appeal and aerate your pond. Choose from different spray styles and sizes—ideal for wildlife ponds and garden features.

Pump Capacity

Bigger isn’t always better - choose right, not just powerful.

Consider both flow rate (litres/hour) and head height (vertical lift distance). Oversizing can waste energy; undersizing can lead to poor filtration and stagnant water.

Use our guides or speak to us for expert pump advice.

Calculate Pond Volume Check Flow Rate Ultraviolet Steriliser Waterfall Installation Fountain Pumps Pump Capacity
  • Pond Liner Calculator

    Easily work out the exact liner size you need. No guesswork, no waste.

  • Fast Delivery

    Get your pond liner delivered quickly and reliably.

  • Expert Knowledge

    Backed by years of experience, we offer advice you can trust for any pond project.

  • Competitive Prices

    High-quality pond liners at prices that won’t break the bank.