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Water Pressure

Water pressure is a measure of the force that pushes water through our pipes and into your property. Our network is designed to ensure every home has a plentiful supply of water pressure and flow.

Reasons for low water pressure

The amount of water pressure your home receives will vary depending on a wide range of factors. Some of these will be due to the way we supply your water and the distance it needs to travel, but other low pressure issues may be down to the way you use your water.

Appliance use

Water pressure will reduce if you use lots of appliances at the same time, such as dishwashers and washing machines.

Size of pipe

If you have an older property you may find your water pipe is smaller than those used in modern houses. Smaller pipes supply less water and can reduce pressure and flow.

Time of day

The way we use water changes throughout the day. High water use for things like baths and showers, means water pressure can be lower in the morning and evenings.

Number of households

The more properties that are fed off your water supply pipe, the lower the pressure will be.


Pumping stations create the pressure needed to push water along our pipe. Living a long way from a pumping station will reduce pressure.

Work in your area

Temporary work in your area can lead to reduced water pressure for a short amount of time.

Could it be caused by a leak?

If you've checked the likely causes of low pressure above, but you're still concerned there may be something wrong with your water pressure, it's possible the low pressure may be caused by a leak - especially if the water pressure you usually receive has changed significantly in a short period of time.

When you report a problem with your water pressure, our trained inspectors can arrange for your water to be monitored over a period of time to identify the likely cause of the problem. If the cause is due to a leak, we'll make sure its repaired.

If you're unsure whether the leak is on our pipework, or yours, read our page on Responsibility for your pipework.

How to spot a leak

The following may be tell-tale signs of a water leak:

  • Sudden loss of water pressure or flow
  • Water gushing from the ground
  • Damp patches on the ground, even in dry weather
  • Your plumbing making a constant noise, even when no water is being used
  • If you use a water meter and you find your bill is much higher than usual
  • Your water meter registers a flow even when no appliances or taps are in use

High Water Pressure

High water pressure is much less common than low water pressure. One way to tell if you have have high pressure, is that you may experience a spurt of water when opening the cold tap. Commonly, high water pressure is due to two factors:

Work in your area
Sometimes work in your area, or periods of inactive water use, such as holidays, can temporarily increase pressure.
Check work in your area

Stop tap open too much
Different areas have varying water pressure. If you have high water pressure try regulating that pressure by closing your stop tap ever so slightly.
Learn how to operate your stop tap

Fixing high pressure

High pressure can usually be resolved by simply following these steps:

  • Turn your tap on so the water trickles out.
  • Run your taps for a few minutes to see if the pressure normalises.
  • If it does not, turn the tap off, wait and then try the process again.

In most cases, this resolves the problem, however if it does not, then we can help you contact a plumber.

Need help now?

You can have low pressure for a number of reasons. It is most likely to be an internal plumbing issue and you should contact an approved plumber. You can also check our 'In your area' map to see if any work is happening that may be affecting your pressure. Please contact us on 0345 702 3797 if you feel this may be caused externally.

Your pressure may be affected by work we are carrying out. Please check our 'In your area' map to see what is happening in your area. You may need to fit a pressure reducing valve to your private pipework.

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