From slow drains to complete blockages, our engineers provide a fast, lasting fix for any internal drainage issue. Clear your blocked drains today.
Pinpoint the exact cause of blockages or damage with our high-resolution CCTV camera inspections and detailed reports. Book a drain survey.
Remove stubborn grease, silt, and root intrusions with our high-pressure water jetting for a completely clear pipe system. Explore jetting solutions.
Fix cracked, collapsed, or damaged pipes using trenchless repair methods to avoid extensive excavation. Learn about drain repairs.
Our high-pressure water jetting service is a powerful and effective solution for clearing stubborn blockages in drains, pipes, and sewers.
Professional installation of new drainage systems and digital mapping for accurate records of existing pipework. Inquire about installations.
Don’t let a blocked drain ruin your routine or damage your property. At London City Drains, we offer fast, reliable, and affordable drain unblocking services across London and the South East — available 24/7, 365 days a year. Whether it’s a minor blockage or a major backup, our experienced engineers are just a call away.
020 7362 9092
Always On Call—Day or Night Blocked drain at 2am? No problem. Our engineers are on standby 24 hours a day, 365 days a year. We aim to be at your property within 2 hours, ensuring your issue is resolved as quickly as possible.
Transparent Pricing You Can Trust Know what you’ll pay before we start. We offer completely free quotes tailored to your specific drainage issue—with no pressure, no surprises, and absolutely no hidden fees.
Experienced Engineers. 6-Month Guarantee. Our fully qualified team is known across London for quality work and reliable service. For added peace of mind, we include a 6-month guarantee on all completed jobs.

A prominent Covent Garden museum faced repeated toilet blockages and basement flooding. Multiple plumbing companies provided only temporary fixes.

A high-resolution CCTV drain survey revealed the core issue: heavy limescale and sediment had completely restricted flow in the main 150mm soil pipe.
Our cutting-edge drain clearance technology enables us to tackle even the toughest blockages with precision and speed. Using industry-leading tools, we ensure your drains are fully cleared, protected, and performing at their best throughout Barnet.
Serving Barnet, we rely on state-of-the-art drain clearance technology to diagnose and clear drainage problems efficiently. This advanced approach minimizes disruption, prevents repeat blockages, and keeps your drainage system running smoothly.
Our waterproof cameras allow us to see exactly what's causing your blockage and its precise location. This technology eliminates guesswork and ensures we use the most appropriate method to unblock your drain without unnecessary work.
Our cutting-edge drain clearance technology enables us to tackle even the toughest blockages with precision and speed. Using industry-leading tools, we ensure your drains are fully cleared, protected, and performing at their best throughout Barnet.
Serving Barnet, we rely on state-of-the-art drain clearance technology to diagnose and clear drainage problems efficiently. This advanced approach minimizes disruption, prevents repeat blockages, and keeps your drainage system running smoothly.
Our waterproof cameras allow us to see exactly what's causing your blockage and its precise location. This technology eliminates guesswork and ensures we use the most appropriate method to unblock your drain without unnecessary work.
We guarantee an immediate response and aim to have an engineer on-site in under 30 minutes for urgent Westminster call-outs.
We serve all Westminster postcodes: SW1, W1, WC2, NW1, and NW8.
You will receive a detailed, fixed-price service for certain tasks and for more complex drainage work, we provide a detailed quotation.
Our uniformed engineers are trained in both commercial and residential systems, and fully insured for your peace of mind
From government buildings and luxury hotels to residential flats and high-street restaurants, we handle it all.
Sink waste pipe clearing is essential for removing grease, food residue, soap buildup, and other debris that restrict water