Legionella & Water Testing Kits
Accredited, Affordable, Straightforward

Legionella Testing &
Training Made Easy
and Affordable

We make professional water testing simple for homeowners, landlords, and businesses right across the UK. Order your kit, collect your samples with our guidance, and receive clear results within 12 working days without the jargon.

Accredited Laboratory Testing

All water samples are analysed by our UKAS-accredited laboratory partner (Lab No. 4150). You receive results you can rely on — and compliance documentation that holds up when it matters.

Affordable Testing Kits

Safe water shouldn't cost the earth. Our household testing kits start from just £49.99 — no hidden fees, no pressure to purchase treatments you may not need.

Professional Guidance

From picking the right kit to collecting your samples correctly, a real member of our team is available throughout the process. We don't leave you guessing.

Clear and Simple Results

Laboratory reports are often full of technical language. Ours aren't. We translate your results into plain English so you know exactly what they mean — and what, if anything, needs to happen next.

Testing completed within 12 working days

Testing completed

Within 2 Weeks

About Safe H2O

Making Safe Water Simple

Water safety isn’t something most people think about until something goes wrong. At Safe H2O, we believe that every home, business, and care facility in the UK should have straightforward, affordable access to professional water testing — without the complexity, the heavy-handed sales approach, or the inflated pricing that has historically made it difficult.

We work with a UKAS-accredited laboratory to provide genuinely accurate, reliable microbiological analysis of your water samples. Whether you’re a landlord with a legal obligation to assess Legionella risk, a care home manager protecting vulnerable residents, or a homeowner who simply wants peace of mind — we’ll guide you through every step of the process.

Who We Test For

Legionella & Water Testing for Every Type of Property

Legionella bacteria and other waterborne pathogens don’t discriminate. They can develop in any water system where the conditions allow — from a domestic shower to a hotel spa or a dental surgery rinsing system. Safe H2O provides straightforward testing for homes, businesses, and every kind of commercial or healthcare premises across the UK.

Hospitality

Restaurants & Takeaways

Legionella bacteria can develop in any hot or cold water system with limited flow or temperature fluctuation. Protect your staff, your customers, and your reputation with routine water testing and documented results.

Care

Nursing & Care Homes

Elderly residents are among those most vulnerable to Legionnaires’ disease. Routine Legionella and microbiology testing is a fundamental part of responsible water management in care environments — and a regulatory expectation under CQC guidance.

Clinical

Dental Surgeries

Dental unit waterlines are a well-documented risk area for Pseudomonas aeruginosa and other waterborne pathogens. Our testing helps dental practices maintain safe water quality at patient-contact outlets and supports compliance with HTM 01-05 guidance.

Healthcare

GP Surgeries & Health Centres

Primary care premises have a duty to protect patients and staff from avoidable infection risks. Professional water testing demonstrates that your practice is actively managing water safety — a key expectation under CQC inspection frameworks.

Property

Landlords & Commercial Properties

UK law requires landlords and property managers to assess and manage Legionella risk in all rented premises. Our affordable testing kits make it straightforward to document that assessment and keep your tenants — and your compliance — protected.

Hospitality

Hotel & Leisure Facilities

Hotels, spas, gyms, and leisure centres host complex water systems including showers, pools, and water features — all environments where Legionella risk must be actively managed. We offer testing solutions that fit the scale and complexity of your premises.

How it works

The Simple Approach to Safe Water

Four straight forward steps from ordering your kit to receiving clear, actionable results — with our team beside you throughout.

Step One

Order Your Testing Kit

Choose the right testing kit for your property. Not sure which one you need? Our team is happy to help — just call, email, or send us a WhatsApp message and we’ll point you in the right direction. We’ll also confirm how many samples your property requires before you order.

Step Two

Arrange Your Water Test

Once your kit arrives, a member of the Safe H2O team will contact you to walk you through the sample collection process. We explain exactly which taps and outlets to sample, how to collect each sample correctly, and how to package them safely for return. You don’t need any technical expertise — we’ll make it simple.

Step Three

Laboratory Analysis

Your samples are securely couriered to our UKAS-accredited laboratory partner for professional microbiological analysis. Every sample is handled in accordance with the relevant British and international standards, and your results are typically returned within 12 working days of the laboratory receiving them.

Step Four

Receive Clear Results

We send you your results in plain, easy-to-understand language — not a dense laboratory report that leaves you confused. If the results are clear, great. If bacteria are detected, we’ll explain exactly what that means, how serious it is, and what you should do next. You won’t be left to figure it out alone.

Testing kits

Choose Your Water Testing Kit

Whether you’re testing a single property or managing a commercial premises with multiple water outlets, we have a kit that fits. All kits include everything you need to collect your samples, along with full guidance from our team.

Best for Homes

Household Testing Kit

Up to 4 Samples From £49.99

Our entry-level household kit is ideal for smaller homes and flats with up to eight hot-water outlets. Includes four sample bottles, full collection instructions, prepaid return packaging, and accredited laboratory analysis. Perfect for homeowners, private landlords, and buy-to-let properties.

Popular Choice

Household Testing Kit

Up to 8 Samples From £79.99

Designed for larger homes, HMOs, and residential properties with more than eight hot-water outlets. Includes eight sample bottles and the same full guidance, secure packaging, and UKAS-accredited laboratory analysis as our standard household kit.

Business Testing

Business Testing Kit

Up to 4 Samples From £89.99

Ideal for smaller commercial premises, offices, retail units, and single-floor business properties. Includes four sample bottles, business-specific collection guidance, pre-paid return packaging, and UKAS-accredited analysis — with a results report you can use for compliance purposes.

Larger Premises

Business Testing Kit

Up to 8 Samples From £149.99

Built for larger commercial buildings, care homes, hospitality venues, healthcare premises, and multi-floor properties. Includes eight sample bottles, priority laboratory analysis, and a full compliance report suitable for HSE, CQC, or insurance documentation purposes.

Kit guidance

Not Sure Which Testing Kit You Need?

Working out the right kit is easier than you might think. The rule of thumb is simple: count your hot-water outlets, divide by two, and choose a kit that covers at least that number of samples. It works the same way for a two-bedroom flat or a twenty-room hotel. If you’re still unsure, just give us a call we’re always happy to work it out with you.

Need a hand right now? Call us on 07948 617 917

Kit calculator

Count all the hot-water outlets within the property — taps, showers, and any other points where hot water is delivered.

Include any outlets with regulated, mixed, or reduced-temperature water feeds (such as thermostatic mixer taps).

Divide the total number of hot-water outlets by two. This gives you the minimum number of samples required.

Select a kit that covers at least that number of samples. If in doubt, go one size up — more samples means more comprehensive coverage.

Testing more than one property? A separate testing kit is required for each address. Samples from different properties cannot be submitted together.

Education

What Is Legionnaires' Disease?

Legionnaires’ disease is a severe and potentially fatal form of pneumonia caused by Legionella bacteria, most commonly Legionella pneumophila. It is not contagious — it cannot spread from person to person. Instead, people become infected by inhaling tiny water droplets or aerosols containing the bacteria, typically from showers, taps, cooling towers, or other water systems where the conditions have allowed the bacteria to multiply.

How It Develops

Legionella bacteria are naturally present in many freshwater environments at low, harmless levels. Problems arise when they enter man-made water systems — particularly where water is stored or distributed at temperatures between 20 degrees C and 45 degrees C, where it is allowed to sit stagnant in infrequently used pipework or outlets, or where scale, rust, sludge, and biofilm provide nutrients for the bacteria to feed on. Under these conditions, a small number of bacteria can multiply rapidly into a concentration capable of causing illness.

Where risks are found

Hot and cold-water storage tanks, showers and shower hoses, little-used or dead-end sections of pipework, decorative water features, cooling towers, and any outlet where the water temperature is not maintained correctly are all recognised risk areas. The HSE's Approved Code of Practice (ACOP L8) sets out the legal framework for managing these risks in workplaces and rented premises.

Why testing matters

Legionella bacteria cannot be seen, smelled, or tasted — and the water may look perfectly clear. The only reliable way to know whether your water system is harbouring the bacteria is to test it. Regular testing not only protects the people using your premises; it also provides documented evidence that you have fulfilled your legal duty of care as a property owner or manager.

How It Develops

Legionella bacteria are naturally present in many freshwater environments at low, harmless levels. Problems arise when they enter man-made water systems — particularly where water is stored or distributed at temperatures between 20 degrees C and 45 degrees C, where it is allowed to sit stagnant in infrequently used pipework or outlets, or where scale, rust, sludge, and biofilm provide nutrients for the bacteria to feed on. Under these conditions, a small number of bacteria can multiply rapidly into a concentration capable of causing illness.

Where risks are found

Hot and cold-water storage tanks, showers and shower hoses, little-used or dead-end sections of pipework, decorative water features, cooling towers, and any outlet where the water temperature is not maintained correctly are all recognised risk areas. The HSE's Approved Code of Practice (ACOP L8) sets out the legal framework for managing these risks in workplaces and rented premises.

Why testing matters

Legionella bacteria cannot be seen, smelled, or tasted — and the water may look perfectly clear. The only reliable way to know whether your water system is harbouring the bacteria is to test it. Regular testing not only protects the people using your premises; it also provides documented evidence that you have fulfilled your legal duty of care as a property owner or manager.

Reassurance

What Happens If My Test Detects Bacteria?

A positive result can feel alarming — but in most cases, it doesn’t need to be. The purpose of testing is to find out what’s in your water before it becomes a health problem, and a detected result is simply the starting point for a measured, proportionate response. The Safe H2O team will contact you personally to explain your results, help you understand whether the level detected is of concern, and advise on the recommended next steps.
We work with trusted water treatment specialists who can assist with any remedial work that may be required — but we will never push you toward treatments you don’t need. Our job is to give you honest, accurate information so you can make informed decisions.

A clear, jargon-free explanation of your results and what they mean

An honest assessment of whether immediate action is required

Recommended next steps, proportionate to the level of bacteria detected

Referral to trusted water treatment specialists if remedial work is needed

No pressure to purchase additional services you don't need

Safe H2O Approved

Trusted Quality & Certified Testing

Our testing is carried out through an H2O approved laboratory to ensure accurate results, reliability, and compliance with industry standards.

Arrange Your Water Test

The Safe H2O Scheme makes it easy for consumers to choose places with safe water supplies.

Accredited lab

No. 4150

Kits from

The facts

Why Water Testing Matters

Verified figures published by Safe H20 and Its accredited laboratory partner.

472

confirmed cases of Legionnaires’ disease were recorded in England and Wales in a single year — a stark reminder of the ongoing risk in water systems across the country.

From £49.99

the starting price for a household Legionella testing kit. Professional, accredited water testing needn’t cost a fortune.

12 working days

our typical laboratory turnaround from the moment samples are received. Fast, reliable results when you need them.

UKAS Accredited

all analysis is carried out by our accredited laboratory partner, giving you results that meet the highest standards for reliability and compliance.

Figures are shown with their original publication date. Please confirm current statistics before relying on them.

FAQ's

Frequently Asked Questions

Everything you need to know about ordering your kit, collecting samples, and understanding your results.
What is Legionella?
Legionella is a type of bacteria found naturally in freshwater environments such as rivers and lakes. It becomes a health concern when it enters and multiplies within man-made water systems — particularly where water is stored or circulates at temperatures between 20 degrees C and 45 degrees C. If inhaled through water vapour or fine droplets (for example from a shower or tap), Legionella can cause Legionnaires’ disease, a serious and potentially fatal form of pneumonia.
The kit you need depends on how many hot-water outlets your property has. Count all the hot-water taps, showers, and other outlets — including thermostatic mixer taps — and divide that number by two. Choose a kit that covers at least that many samples. If you’re unsure, contact our team and we’ll work it out with you in a couple of minutes.
As a general rule, you need one sample for every two hot-water outlets in the property. For example, a home with eight hot-water outlets would need four samples. Our team can advise on the specific requirements for your property type and help ensure you collect the most relevant samples for a meaningful result.
Once your samples arrive at our accredited laboratory, results are typically returned within 12 working days. This timeframe is required to allow the cultures to incubate and develop properly. We’ll let you know as soon as your results are available and explain them clearly.
No — a separate testing kit is required for each individual property. Samples from different addresses cannot be combined in a single submission. If you manage multiple properties and need help ordering kits in bulk, please contact us and we’ll arrange the most cost-effective solution for you.

Don’t panic — this is exactly why you tested. A positive result is the starting point for a measured, proportionate response. Our team will contact you directly, explain your results in plain English, and advise on the most appropriate next steps. In many cases, straightforward remedial actions such as temperature adjustments, outlet flushing, or disinfection are sufficient. We work with trusted water treatment specialists and will refer you if needed — but we’ll never recommend services you don’t genuinely require.

Absolutely — that’s a fundamental part of what we do. We don’t just post a laboratory report and leave you to make sense of it. When your results are ready, we’ll review them with you, explain what each figure means, confirm whether any action is needed, and guide you through whatever comes next. You can reach us by phone, email, or WhatsApp.
Yes. Safe H2O offers separate household and business testing kits, each designed to meet the specific requirements of its setting. Household kits are ideal for homeowners and private landlords. Business kits are suitable for commercial premises, healthcare facilities, hospitality venues, care homes, and any other type of business property. Both include full guidance, secure return packaging, and UKAS-accredited laboratory analysis.
Under the Health and Safety at Work Act 1974 and the COSHH Regulations, all employers and those responsible for premises have a legal duty to assess and control Legionella risk. For landlords, HSE’s Approved Code of Practice L8 and guidance document HSG274 set out the requirement to carry out a Legionella risk assessment for all rented residential and commercial properties. Water testing is a key part of evidencing that the risk has been assessed and managed.

Contact

Let's Make Your Water Safer

Not sure where to begin? Contact our team and we will help you select the appropriate testing solution for your property.

Address

21 Somerset Avenue, Leicester, LE4 0JX

Phone

07948 617 917

Email

n4resh@gmail.com

Working Days / Hours

Mon – Friday, 9:00 AM – 6:00 PM

Request Expert Advice

Tell us about your property and we’ll recommend the right testing kit.

Protect Your Property with Simple,Professional Water Testing

Order a testing kit today, or speak with the Safe H2O team if you’d like help choosing the right option for your property. We’re straightforward, honest, and easy to reach.