Greater London's No.1 Water Service
Services
Overview Greater London
Lead Pipe Replacement London
Greater London Water specialises in the replacement of lead water supply pipes and lead water mains across all London boroughs.
Many homes in London still have a lead water supply pipe, which can negatively affect water quality and pressure. Replacing this old lead pipe with modern water supply pipe is essential for both health and performance.
Upgrading your lead water supply pipe can dramatically enhance water flow, pressure, and overall system reliability — giving you cleaner, safer water throughout your property.
Greater London Water uses advanced trenchless techniques such as pneumatic moling to carry out installations with minimal disruption to your home or surrounding area.
Before any work begins, we carry out detailed utility surveys and pipe tracing to accurately locate underground services and avoid potential issues.
As a Water Industry Approved contractor, all our lead pipe replacement work complies fully with UK Water Regulations.
Once the project is complete, Greater London Water issues a certificate of completion that is recognised by Thames Water and other relevant authorities, ensuring full compliance and peace of mind.
Water Supply Pipe Installations London
Greater London Water specialises in the professional installation of water supply pipes throughout all London boroughs.
Whether you're constructing a new property or redeveloping an existing one, a correctly installed water supply pipe is essential to ensure reliable, long-term access to clean water.
We use state-of-the-art trenchless methods like pneumatic moling to install water water pipes with minimal disruption to your site, helping to keep your project on schedule and on budget.
Before any ground is broken, our team performs comprehensive utility surveys and pipe tracing to accurately locate underground services and prevent unnecessary damage or delays.
As a Water Industry Approved contractor, all our water supply pipe installations fully comply with the latest UK Water Regulations.
After installation, Greater London Water provides a nationally recognised WIAPS certificate — accepted by Thames Water and all other UK water authorities — confirming that the work meets all required safety and compliance standards.
Water Supply Pipe Repairs London
Greater London Water provides expert repair services for damaged or leaking water supply pipes across all boroughs of London.
You may have been notified of a suspected underground leak by Thames Water, or you might have spotted signs like water pooling in your driveway, garden, or pavement.
Before any excavation work takes place, we carry out a detailed utility survey and pipe tracing to accurately identify the location of underground services and avoid unnecessary disruption.
Using advanced leak detection technology, we can pinpoint the exact location of the issue within your water supply pipe.
Once the source of the leak is located, our team will carefully excavate the affected area and carry out high-quality repairs to restore your water supply quickly and efficiently.
Water Main Repairs London
Greater London Water specialises in the repair of water mains across all London boroughs, offering fast, reliable solutions for underground leaks and bursts.
Whether Thames Water has notified you of a potential issue or you’ve observed signs of a leak on your property, our team is ready to respond with efficiency and precision.
Before starting any excavation work, we carry out a thorough utility survey and pipe tracing to accurately map underground utilities and drainage systems, helping to avoid disruption and delays.
We use advanced leak detection technology to identify the exact location of the fault within your water main.
Once located, we either remove and replace the damaged section of pipe or apply a specialist clamp to seal the leak, restoring your water service with minimal disruption.
Water Supply Pipe Renewals London
Greater London Water specialises in renewing old or damaged water supply pipes across all London boroughs.
If your existing water supply pipe is corroded it can lead to reduced water flow and pressure problems — we’re here to resolve that with a long-term, efficient solution.
Our team uses advanced trenchless techniques such as pneumatic moling to replace outdated pipework while keeping disruption to your property to an absolute minimum.
Before any excavation begins, we carry out a detailed utility survey and pipe tracing to accurately locate underground services and drainage infrastructure.
As a fully approved contractor in the water industry, all our renewal work complies with the latest UK Water Regulations.
Once your new water supply pipe is in place, Greater London Water issues a completion certificate accepted by Thames Water and other UK water authorities, confirming that all work meets required safety and compliance standards.
Water Main Renewals London
Greater London Water provides expert water main renewal services across all London boroughs, helping property owners and developers upgrade outdated infrastructure.
If your existing water main is undersized or deteriorating—leading to poor pressure or insufficient flow—our team can deliver a fast, effective solution.
We use advanced trenchless installation methods such as pneumatic moling to renew water mains with minimal disruption to your site or surrounding property.
Before any digging takes place, we perform detailed utility surveys and pipe tracing to accurately identify underground utilities and drainage routes, ensuring a safe and precise installation.
As a Water Industry Approved contractor, all of our water main renewal work is fully compliant with current UK Water Regulations.
Upon completion, Greater London Water issues a recognised certificate accepted by Thames Water and other UK water authorities, confirming that the installation meets the highest safety and compliance standards.
Water Main Installations London
Greater London Water specialises in the professional installation of water mains throughout all London boroughs, supporting new builds, developments, and infrastructure upgrades.
Whether you're constructing a new property or developing a larger site, a properly installed water main is essential for long-term, reliable water access.
We utilise advanced water main installation methods, including electro-fusion, butt fusion, pressure testing, and chlorination, to ensure durable and compliant pipework from day one.
Before starting any groundworks, we conduct a thorough utility survey and pipe tracing to precisely identify all underground utilities and drainage lines, reducing the risk of delays or disruption.
As a Water Industry Approved contractor, every water main installation we complete adheres strictly to UK Water Regulations.
Upon completion, Greater London Water issues an installation certificate accepted by Thames Water and other relevant authorities, confirming full regulatory compliance and top-tier workmanship.
What to expect from Greater London Water – Your trusted water services expert
Here’s how we’ll get your house feeling like home again.
Call us 24/7, 365, at a time that suits you.
You’ll get a no-obligation quote straight away.
Expert engineers will arrive and carry out the work.
We’ll give you a 25-year guarantee*.
The crew did a great job. They were helpful, friendly, hardworking, and professional.
Olivia Smith
Twickenham
As promised, they did a great job restoring everything. It’s hard to tell where the holes were, as they expertly replaced everything, including the block paving.
Daniel Taylor
Woodford
We thanked the workers personally before they left, but we also wanted to let you know how fantastic they were. They really went above and beyond.
Charlotte Davies
Chiswick
