woman pouring water into a jug from the tap

Tap water is the cheapest and most environmentally-friendly way for us to quench our thirst in the UK, but can we drink it without filtering it first? Whether you want to improve the quality of your water or make it taste better, a water filter could benefit your home. We take a look at if you should invest in a water filter and the benefits of filtering water. 

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Is Tap Water Safe to Drink in the UK?

In the UK, tap water is considered safe to drink without filtration. Drinking water in the UK is subject to strict regulations and undergoes regular testing to ensure its quality meets the standards set by the Drinking Water Inspectorate (DWI).

Water suppliers in the UK are required to provide drinking water that is free from harmful contaminants and meets the standards for factors such as taste, odour, and clarity. The water treatment processes employed by the suppliers, such as filtration, disinfection, and monitoring, help ensure the safety and quality of tap water.

However, while tap water in the UK is generally safe, some people may choose to use additional filtration methods for various reasons.

Taste and Odour of Tap Water

Some individuals may not prefer the taste or odour of tap water, even though it is safe to drink. Filtration systems can help improve the taste and remove any unpleasant odours, providing a more enjoyable drinking experience.

Removing Specific Contaminants

Although tap water in the UK is rigorously tested, there may still be trace amounts of certain contaminants present. If you have specific concerns about particular contaminants, such as heavy metals or pesticides, you may opt for a filtration system that targets those specific substances.

Older Plumbing Systems

If you live in an older property with outdated plumbing infrastructure, there might be a higher risk of contaminants, such as lead, entering the water supply through the pipes. In such cases, you may consider a filtration system to provide an additional layer of protection.

Hard Water in the UK

Filtering tap water can be beneficial in certain situations, including when the water is hard. Hard water refers to water that contains high levels of minerals, such as calcium and magnesium. While hard water is generally safe to drink, it can have some drawbacks, including a buildup of limescale. 


Hard water can cause mineral deposits to accumulate on plumbing fixtures, appliances, and utensils. If you filter the water, it can help reduce scaling and prolong the lifespan of your appliances, as well as reduce the amount of potential limescale flakes in your water.

If water hardness is the issue with your tap water, you can consider different types of water filters or install a water softener. 

Ultimately, the decision to filter tap water in the UK is a personal one. If you are satisfied with the taste and quality of your tap water, you may not need to use additional filtration methods. However, if you have specific concerns or preferences, installing a filtration system can provide you with added peace of mind and potentially improve the taste of your water.

Consult with one of our water experts, who can provide further guidance based on your specific circumstances.