Average UK water bill falls 2020: how much you will pay from April

Updated on 10 February 2020 | 1 Comment

Average UK water bills will drop by £17 a year from April 2020. Here's what you'll pay and how to cut your bill further (even if you aren't on a water meter).

The average household water and sewerage bill in England and Wales is set to fall by around £17 this year.

Water UK, which represents and works with the major water and sewerage service providers, has confirmed that from April the average bill will drop from £413.33 to £396.60.

This comes after an average £8 rise in 2019/20 and a £9 increase in 2018/19.

It’s worth noting that this is just the average change though, with the actual adjustment to your bill varying based on where you live and your water supplier. 

In this article, we'll show the price announced by each region's water provider, explain how the average bill is calculated and reveal how you can reduce your water bill – even if you don't use a water meter.

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Average UK bills where you live

As the table below demonstrates, there are some huge variances in how people’s bills will change next year. 

If you are supplied by Northumbrian then you will see a massive drop of £85 on average, while Wessex customers will enjoy bills dropping by 8% ‒ a drop of £40 a year.

There are plenty of households who will have to dig a little deeper in order to cover their water bills though. 

Yorkshire customers, for example, will have to fork out an additional £14 on average. 

Check the table below for the average water bill where you live.


Average 2020/21 bill

Average 2019/20 bill






Dŵr Cymru Welsh Water




Hafren Dyfrdwy








Severn Trent




South West












United Utilities













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How is the average water bill calculated?

Your water usage may not actually have much correlation with your water bill.

That’s certainly the case if you don’t have a water meter. In this instance, your bill will be made up of a fixed charge (which covers things like admin) and a charge based on the ‘rateable value’ of your home.

This is the local authority’s assessment of the rental value of your property.

Unfortunately, these ratings took place between 1973 and 1990, so they're not exactly up to date.

You can’t appeal if you think the rateable value is too high either. Your bill is out of your hands and completely unrelated to your actual water use. Good news if you use a lot of it, not so good if you don’t.

In which case, you might want to switch to a metered bill. This means your bill will be made up of a fixed charge and a volumetric charge, covering your exact use.

Whether this means your bill goes down or up really is in your control.

To see if a water meter might save you some cash, try your provider's water meter calculator. 

Switching to a water meter doesn’t have to be a permanent move either. You can switch back to unmetered bills within the first 12 months, so why not give it a try? If your bills go up, just switch back!

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Can I cut my water bill?

If you are on a water meter, then there are things you can do to reduce your bills.

Simple steps like taking a shower rather than a bath, turning off the tap when brushing your teeth and fixing leaky taps can all make a difference.

What does the average household water bill cost a year?

Most water companies offer widgets and gadgets to help you cut your water use. Many are free too so be sure to check out your provider’s site.

Even if you aren't on a water bill, it is still possible to make a saving by taking out a reward current account, which pays cashback on a range of household bills, including water bills.

Admittedly, your savings won't be massive, but when your options for cutting bills are limited then every saving helps.

One option is the Santander 123 Lite current account, which pays tiered cashback on most of your bills.

In short, you'll get 1% back on your water, Council Tax and mortgage, 2% on your energy bills and 3% on your mobile, broadband, TV and landline costs, with cashback capped at £5 for each tier.

Given the account comes with a £12 annual fee, you really need to ensure you are taking up most of these cashback offers to ensure it's profitable.

Read the best current accounts for rewards and cashback for more options.

Want to save even more? Slashing your other monthly costs couldn't be easier. Have a look at our simple guides to cutting your grocery costs and saving on your petrol/diesel costs

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