From stubborn kitchen blockages and overflowing manholes to collapsed pipes and tree root intrusions, our skilled drainage engineers resolve every problem swiftly and professionally. We arrive equipped with the latest CCTV survey cameras and high-pressure jetting units so the job gets done right the first time, with no hidden costs and no call-out fees.
We make dealing with drainage problems straightforward, affordable, and stress-free for homeowners, landlords, and businesses across the United Kingdom
Blocked drains never wait for convenient hours. Our engineers are on call around the clock, every single day of the year including weekends and bank holidays, with an average response time of under sixty minutes.
We provide transparent, fixed-price quotations before any work begins. There are no call-out fees, no surprise extras, and no hourly rates that escalate beyond your budget. You agree the price upfront and that is what you pay.
Every van carries state-of-the-art CCTV drain survey cameras, high-pressure water jetting units rated up to 4,000 PSI, and electro-mechanical cleaning tools to tackle blockages of any severity efficiently.
Our fully qualified drainage technicians hold City & Guilds certifications and undergo continuous professional development. Each engineer brings years of hands-on experience resolving thousands of drainage issues.
ClearFlow Drainage was established by a team of experienced drainage professionals who saw a need for honest, transparent, and genuinely reliable drain services in the United Kingdom. Nearly two decades later, we have grown into one of the country's most trusted drainage companies, clearing over twenty-five thousand blocked drains and conducting thousands of CCTV surveys for residential and commercial clients alike.
We invest heavily in the latest drainage technology, ensuring our engineers arrive at every job fully equipped with CCTV inspection cameras, high-pressure jetting rigs, and no-dig repair systems. This commitment to modern methods means faster diagnoses, less disruption to your property, and longer-lasting results compared to traditional approaches.
Whether you have a single blocked sink that needs urgent attention or an entire commercial drainage network requiring scheduled maintenance, our dedicated team treats every enquiry with the same level of professionalism and care. We are proud members of WaterSafe and Constructionline, and every job we undertake is backed by full public liability insurance for your complete peace of mind.
Explore Services
Explore our comprehensive range of drainage services designed to resolve any blockage, damage, or maintenance requirement quickly and cost-effectively.
Our most requested service covers everything from slow-draining sinks and toilets to fully blocked external drains and manholes. Using a combination of high-pressure water jetting and electro-mechanical cleaning, we restore full flow rapidly without causing damage to your pipework or property.
Our engineers deploy miniature colour cameras through your drainage system to identify blockages, cracks, root ingress, displaced joints, and structural defects with pinpoint accuracy. You receive a full written report and recorded footage that can be used for insurance claims or property purchases.
Our truck-mounted jetting units deliver water at pressures up to 4,000 PSI to blast through even the most stubborn blockages including fat, grease, scale, silt, and debris. Jetting also cleans pipe walls thoroughly, reducing the likelihood of future blockages and improving overall drainage performance.
Cracked, collapsed, or deteriorating drains do not always require expensive excavation. Our no-dig relining technology inserts a resin-impregnated liner into the damaged pipe, creating a seamless new pipe within the old one. Where excavation is necessary, we complete the work efficiently and reinstate surfaces to a high standard.
Tree and shrub roots are among the most common causes of recurring drain blockages in the UK. Our engineers use specialist cutting equipment to remove root masses from inside pipes, followed by CCTV verification and, where appropriate, structural relining to prevent future root penetration at the same point.
For properties not connected to mains sewerage, we offer complete septic tank emptying, cleaning, inspection, and maintenance services. Our tanker vehicles handle domestic and commercial systems of all sizes, and we ensure all waste is disposed of at licensed treatment facilities in full compliance with Environment Agency regulations.
Restaurants, hotels, offices, retail parks, and industrial facilities all rely on efficient drainage systems. We provide tailored maintenance contracts, emergency response agreements, and planned preventative programmes that keep your commercial drains flowing freely, minimising downtime and protecting your business operations.
When sewage is backing up into your property or flooding is threatening structural damage, you need an immediate response. Our emergency teams are dispatched within minutes, arriving fully equipped to contain the situation, clear the blockage, and carry out any temporary or permanent repairs required to restore normality.
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Browse a selection of photographs from recent drainage projects including blockage clearances, CCTV surveys, jetting operations, and pipe repairs carried out by our engineers.












Not sure what is causing your drainage problem? Need advice on the best course of action? Wondering whether your issue qualifies as an emergency? Our friendly, knowledgeable team is ready to help with any question and guide you to the right solution.
24 Hours a Day, 7 Days a Week
Under 60 minutes, nationwide