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The other advantage is that a rainwater harvesting system will reduce the amount of run-off you have from rainwater, so if your property tends to become waterlogged in heavy rain this will be reduced as the rain is directed into the water tank. That means there is a reduced risk of flooding too.

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But it’s not all doom and gloom. You can take advantage of the rainfall to use less water from your mains supply. How? By harvesting the rainfall.

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The UK is well known for its rainy weather, even during the summer months we have days when it rains. Did you know in 2020 out of 365 days, over 163 were rainy? That meant for almost half the time in the UK it was raining.

Here at Graf, we ask you a few questions online and we then assess the answers and tell you what size tank you’ll need. The questions include letting us know the size of your roof and your postcode to have a look at your average rainfall. We also need to know how many people live in your household and how you want to use the collected rainwater.

If you only want rainwater for use in the garden all you’ll need is a water butt of your chosen size. But if you want to use rainwater in the home you’ll need:

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The biggest advantage is that you will save money on your water bill as mains water usage can reduce by up to 50%. The costs of installation will reduce your water usage from the mains and therefore lower your bills. Once the payment period for the installation has passed your rainwater is free.

The rain is captured falling from roof level and directed through pipework and guttering down into the tank through a filter. Once it’s in the tank it is then stored and a suction hose is used to draw the water from its cleanest point, just below the surface.

Rainwater harvesting is the process of collecting the rainfall from your roof and storing it to use for other things around the home. You can use harvested rainwater just for the garden and keep a water butt outside, or you can have a tank with a pump and filter system fitted so that you can use rainwater inside too.

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There are water tanks designed to hold from 200 litres up to a commercial capacity of 52,000 litres. They are strong but lightweight and easy to install.

The pipes will then direct the water to wherever you have decided to use harvested rainwater, in the toilet for instance or the washing machine. The whole system is managed by the control panel which is placed in a convenient position which the house or garage.

Rainwater can be used to water your lawn and garden. Inside your home, harvested rainwater can be used to flush toilets, and wash clothes in the washing machine.

The average water bill for a four-person household is around £49 a month. With a rainwater harvesting system, you could reduce this bill to around £24.50 a month.

As you can see water harvesting makes sense in a rainy country like the UK. Not only will it help you save up to 50% of your water bill. But it also helps the environment by conserving groundwater and limiting the damage that can occur from stormwater run-off.