Lead contamination poses significant health risks — especially to children, pregnant women, and other vulnerable groups.
Our professional lead testing service helps homeowners, landlords, schools, and businesses identify potential risks early and take decisive action.
With London & Surrey Water Services, you gain peace of mind, knowing your drinking water is safe and compliant with regulatory standards.
Lead contamination is silent — it’s tasteless, odourless, and invisible to the naked eye. It typically enters your water supply through ageing lead service pipes, soldered joints, or older plumbing fixtures. Even at low levels, lead exposure can cause irreversible harm:
Homes and buildings constructed before 1970 are especially likely to contain lead pipework. Regulations currently limit lead in drinking water to 10 µg/L, but this threshold is expected to tighten to 5 µg/L in the coming years.
Testing gives you peace of mind and ensures you meet your responsibilities as a homeowner, landlord or duty‑holder..
We follow industry best practices to ensure thorough, accurate testing:
Random Sample
Taken at any time of day to establish general lead exposure levels.
Overnight Sample (First-Draw)
Collected first thing in the morning before any taps are used. Captures water that has been in prolonged contact with internal pipes overnight.
Flushed Sample
Collected after letting the tap run until the water runs consistently cold. This isolates water from the mains supply, helping to distinguish internal vs. external contamination sources.
Stagnation Sample
Taken 30 minutes after flushing. This assesses lead leaching from internal pipes and fixtures after short-term stagnation. 3. Testing:
Should we detect elevated lead levels, we will provide clear, actionable guidance:
We strongly recommend lead testing if:
0800 037 1247
enquiries@approved-plumbers.london
www.approved-plumbers.london
Your health starts with safe water. Let’s make sure yours is lead-free.
Lead content sampling involves taking water samples from various points within your plumbing system. We provide two levels of testing:
Protect your property and the people who rely on your water supply. Contact London & Surrey Water Services to schedule lead testing or to discuss your concerns with our qualified team.
Lead testing is often just the starting point of a wider water safety plan. Once you understand your current lead levels, you can take targeted action to safeguard your supply.
We adopt a best practice approach to the work we carry out and ensure compliance with the Water Supply (Water Fittings) Regulations 1999
We have been Water Industry approved plumbers and impact moling contractors for almost two decades, working exclusively on new connections, customer side leaks, and lead replacement
On completion of lead pipe renewals or a water supply pipe upgrade, we issue a certificate of works completed, which can be submitted to Thames Water to progress applications or satisfy enforcement notices.
Our certificates confirm that our workmanship satisfies the requirement of the water regulations. They also act as our guarantee of ten years for full supply pipe replacement and two years for supply pipe repairs.
We've built a solid reputation through our continually growing customer base as the most trusted team of Approved Plumbers and Moling Contractors in London.
I would highly recommend Alan. I wish we had found him earlier because it would have saved us both time and money. We had a water leak at our house which could not be located. I contacted other “experts” in underground water problems before finding Alan, none of them could offer a convincing solution. Alan is an expert in this area and articulated very clearly the alternative solutions and the pros and cons of each. Alan is very professional, hard working and tidy - you would not be able to tell that concrete and flagstones were removed to do the work. Excellent job.
We had a severe water leak that was flooding the basement of our house. Alan and Grant dealt with this emergency straight away. The organisation for our job was efficient, and we were kept informed at all points in the process. The repair was complex. It required moling through the basement exterior wall and installing a new connection to our internal supply. Alan carried this difficult task out efficiently and quickly, causing the least disruption possible, and it was a pleasure to deal with both him and Grant. Their price for the work was very reasonable. highly recommend!
Alan went above and beyond when installing my new water mains. He was prompt, professional, communicative, and really helpful, taking time after the job was done to offer advice on getting the best out of the new supply. I am amazed at how quickly he could get the job done and left the house so clean afterwards you would never have known he was there. The fact he is Thames Water approved was also a huge bonus and made the whole process much quicker and easier. I can't recommend him highly enough and would 100% use London & Surrey Water Services again.
Alan went above and beyond when installing my new water mains. He was prompt, professional, communicative, and really helpful, taking time after the job was done to offer advice on getting the best out of the new supply. I am amazed at how quickly he could get the job done and left the house so clean afterwards you would never have known he was there. The fact he is Thames Water approved was also a huge bonus and made the whole process much quicker and easier. I can't recommend him highly enough and would 100% use London & Surrey Water Services again.
We adopt a best practice approach to the work we carry out and ensure compliance with the Water Supply (Water Fittings) Regulations 1999
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