Water Regulations Approved Plumbing Contractors specialising in Lead Pipe Replacement, Customer-Side Leak Detection and Repair, and solving low water pressure and flow-rates across Greater London & Surrey.
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As Water Regulations Approved Contractors ,We specialise in lead pipe replacement, new water connections, and customer-side leak detection and repair.
We hold extensive experience in coordinated works with Thames Water, SES Water and Affinity Water’s Lead Pipe Replacement Schemes, Developer Services & Customer Side Leakage teams.
Water quality and water efficiency play an integral part in our services. We adopt a best practice approach to any advice or recommendations we provide and ensure that all installations and repair work carried out is fully compliant with the Water Supply (Water Fittings) Regulations 1999 and BSEN 806.
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We offer a full range of internal plumbing and supply pipe services including new installations, repair and replacement
We adopt a best practice approach to the work we carry out and ensure compliance with the Water Supply (Water Fittings) Regulations 1999
Our team has extensive experience carrying out plumbing works related to the mains water supply, including supply pipe installations, leak detection, and pipe upgrades across Greater London and Surrey.
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.
All work carried out by London & Surrey Water Services is backed by a workmanship guarantee, giving property owners confidence that installations and repairs are completed to a high professional standard.
We are trusted by homeowners across London and Surrey for reliable supply pipe works and specialist plumbing
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. A truely 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.
Recent projects involving lead pipe replacement, supply pipe installation and water supply problems across London and Surrey
Common questions about approved plumbers, water regulations and responsibility for domestic water supply pipes
The Water Supply (Water Fittings) Regulations 1999 set national standards for the design, installation and maintenance of plumbing systems connected to the public water supply. Their purpose is to prevent contamination, waste, misuse and incorrect installation that could affect drinking water quality.
Water companies have legal duties under the Water Industry Act 1991 (sections 73, 74 and 75) to enforce these regulations and protect public water supplies. These provisions give water companies the power to ensure that plumbing systems connected to the public supply comply with the Water Fittings Regulations. For this reason, plumbing work connected to the mains water supply must comply with the Water Fittings Regulations.
A Water Regulations Approved Plumber is a contractor assessed through a recognised approval scheme such as WaterSafe and authorised to work on all plumbing systems connected to the public water supply.
This includes plumbing inside a property as well as external pipework connected to the mains water supply.
Approved plumbers demonstrate competence in applying the Water Supply (Water Fittings) Regulations 1999 and can certify that installations comply with those regulations.
An Approved Supply Pipe Contractor (or Supply Pipe Installer) is approved to carry out work only on the external supply pipe. Their scope of approval is limited to the pipe that runs from the water company communication pipe at the property boundary up to the internal stop valve inside the property.
Unlike approved plumbers, they are not approved to work on internal plumbing systems, and their approval is limited to underground supply pipe installation and repair.
Using an approved contractor helps ensure work connected to the public water supply is carried out correctly and in accordance with the Water Supply (Water Fittings) Regulations 1999. Water companies have legal duties under the Water Industry Act 1991 (including sections 73–75) to protect the public water supply and enforce the Water Fittings Regulations.
Approved plumbers and approved supply pipe contractors have demonstrated knowledge of the regulations and understand water company requirements when carrying out installations or repairs.
Yes. Water companies have the legal power to inspect plumbing systems connected to the public water supply to ensure compliance with the Water Supply (Water Fittings) Regulations 1999.
Inspections may occur where there is a suspected risk to water quality, when new connections are installed, or when complaints or issues are reported.
Using an approved plumber or supply pipe contractor helps reduce the need for inspections because the work can often be certified as compliant.
Water companies have powers under the Water Industry Act 1991 (sections 73–75) to investigate plumbing installations that may breach the Water Supply (Water Fittings) Regulations.
If a plumbing system is found to be non‑compliant, the water company may issue an enforcement notice explaining what needs to be corrected and the timeframe within which it must be done.
In serious cases where there is a risk to public health or the water supply, the water company may take further action until the installation is brought into compliance.
When regulated plumbing work is carried out by an approved contractor, the installer can issue a Certificate of Work Completed confirming the installation complies with the Water Supply (Water Fittings) Regulations 1999.
This certificate confirms that the work has been carried out by a competent approved contractor who understands and applies the requirements of the Water Regulations.
Under the Water Industry Act 1991 (sections 73–75), water companies have powers to investigate, issue enforcement notices, and prosecute where plumbing installations connected to the public supply breach the Water Fittings Regulations. In those circumstances, a Certificate of Work Completed issued by an approved contractor is the primary evidence available to a property owner that the installation was carried out in compliance with the Regulations.
For property owners, keeping this certificate is important because it can be relied upon as evidence of compliance and the only practical defence available if enforcement action is taken in relation to the plumbing installation.
The pipe which connects the water main in the street to your property is known as the service pipe and is divided into two sections.
The section of pipe that runs from the water main in the street to the outside stop valve (normally located at the property boundary) is called the communication pipe and is the responsibility of the water company.
The section of pipe that runs from the outside stop valve or property boundary to the internal stop valve inside the property is known as the supply pipe and is normally the responsibility of the property owner.
All plumbing within the property beyond the internal stop valve is also the property owner's responsibility. Supply pipes may either be separate (serving one property) or shared between two or more properties, which is common in older terraced houses.
Properties built before around 1970 may still have lead supply pipes. Replacing these pipes is often necessary to improve drinking water quality and may also allow homeowners to apply for the water company's lead pipe replacement scheme.
Approved plumbers can replace internal lead pipework and certify that the installation complies with the Water Supply (Water Fittings) Regulations 1999, while approved supply pipe contractors can install or replace the underground supply pipe from the property boundary to the internal stop valve. Using approved contractors helps ensure the work can be certified as compliant and coordinated correctly with the water company.
If a leak is identified on the private supply pipe, the water company may issue a customer‑side leakage notice requiring the property owner to repair or replace the leaking pipe within a specified timeframe. These notices are typically served when water is being lost from the private supply pipe between the property boundary and the internal stop valve.
Approved plumbers and supply pipe contractors are specifically qualified to investigate and repair these leaks. Once the work is completed, they can provide certification confirming the installation complies with the Water Fittings Regulations, helping demonstrate that the problem has been resolved in accordance with water company requirements.
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