If you’re dealing with a blocked drain in Cardiff or the surrounding South Wales area, Clark Drainage are the professional, local drain cleaning and drain repair experts that you need to call.
Whether you’ve noticed a slow-draining sink, water backing up from a gully, or a blocked toilet that won’t clear, our experienced drainage engineers are ready to help. We provide fast, professional drainage services across Cardiff and beyond, offering solutions that are tailored to domestic and commercial clients alike.
With years of experience in the industry and a Cardiff-based team fully equipped to unblock drains of every kind, we specialise in diagnosing and resolving drainage issues quickly and efficiently. From emergency call-outs to planned preventative maintenance, Clark Drainage Cardiff is your go-to drainage company, here to respond around the clock.
If you require drain unblocking in Cardiff, contact us today for expert support with no hidden costs, fixed price quotes, and a hassle-free service from start to finish.
Why Choose Clark Drainage in Cardiff?
Blocked drains are more than a nuisance – left untreated, they can cause water damage, health hazards, and costly repairs. That’s why our Cardiff team responds quickly and gets the job done right the first time. Every member of our expert team is fully qualified, fully trained, and equipped with the latest technology to clear even the most stubborn blockages.

We know the drainage systems in Cardiff inside out. From older properties in Roath and Canton to modern commercial sites near the city centre, we’ve helped countless homeowners, landlords, building contractors, and businesses with their drainage problems. Our local engineers can be on site day or night, offering a professional service that prioritises your safety, comfort, and convenience.
We work to minimise disruption, complete repair work quickly and carefully, and always leave your drains in excellent working condition.
Our Blocked Drain Services in Cardiff
At Clark Drainage, our Cardiff based drain engineers offer a full range of drainage services in Cardiff and the surrounding areas. Whether you’re a homeowner dealing with a blocked toilet or a commercial client needing regular maintenance, our Cardiff-based team is ready to deliver professional, cost-effective solutions that keep your drainage system working at its best.
Emergency Drain Unblocking in Cardiff
Drainage emergencies don’t wait for a convenient moment, which is why our team provides 24 hour emergency plumbing services for customers across Cardiff. Whether it’s a blocked toilet in the early hours or flooding caused by a blocked gully, we respond quickly with the tools and expertise to clear the issue and prevent further damage. Our emergency unblocking services available day or night, and our engineers are often on site within the hour.

High Pressure Water Jetting
For stubborn blockages, grease build-up, or scale inside the pipes, our high pressure water jetting service is the most effective solution when it comes to unblocking drains. This method scours the inside of the drain, clearing debris without damaging the pipework. Our drainage experts regularly use jetting services in both domestic and commercial settings to restore normal flow and prevent recurring drainage issues.
CCTV Drain Surveys and Inspections
Using high definition CCTV equipment, we carry out detailed drain inspections to assess the condition of your drainage system. This service is ideal for identifying the cause of persistent problems, locating damage, or providing peace of mind before a property purchase. Our engineers can provide a full report and video footage on request, making it easy to take the next step if repair work is needed and making our drain unblocking services far more effective.

Drain Repairs and Excavation Work
If your drain system has been compromised by cracks, collapses, or root ingress, we offer a full drain repair service in Cardiff. We use trenchless methods such as patching and relining whenever possible, but we’re also fully equipped to carry out safe, professional excavations if required. All work is carried out with minimal disruption and clear pricing from the start.
Drain Cleaning and Preventative Maintenance
Regular drain cleaning is one of the most effective ways to avoid a drainage emergency. We offer scheduled maintenance contracts for both residential and commercial properties in Cardiff, using jetting and vacuum systems to keep your drains clean and clear. This service is particularly valuable for restaurants, schools, and large households with high drainage usage.
Toilet Unblocking and Internal Drainage
If your toilet won’t flush, your sink is overflowing, or your shower is slow to drain, our team can quickly identify and remove the blockage. We carry out toilet unblocking and indoor drainage services across Cardiff, helping homeowners and landlords deal with unpleasant blockages quickly and without hassle. No matter how small the job may seem, we treat it with the same professionalism and urgency.
Commercial Drainage Services
From large office blocks to independent cafés, we offer tailored drainage services to suit commercial properties in Cardiff. Our services include CCTV drain surveys for compliance, grease trap maintenance, and full unblocking and repair solutions. We work around your operating hours to minimise disruption, and provide ongoing support to keep your premises safe and operational.

Why Choose Clark Drainage to Unblock Drains in Cardiff?
When you’re dealing with a blocked drain in Cardiff, you need more than just a quick fix. You need a drainage company that understands the local infrastructure, provides a reliable service, and resolves the issue properly the first time. That’s exactly what we offer at Clark Drainage. From domestic call-outs to large-scale commercial work, our Cardiff drainage engineers are known for their experience, professionalism, and results-driven approach.
Fast Response Times Across Cardiff and South Wales
We know that drainage issues can escalate fast. That’s why our local Cardiff team is available 24 hours a day, seven days a week. Whether you’re in the city centre, out towards Pontprennau, or further afield in South Wales (we go all the way over to Swansea), we’ll dispatch an engineer promptly – often arriving within the hour. Our fleet is GPS tracked and fully mobile, so we’re ready to respond wherever and whenever you need us.
Fixed Price Quotes With No Hidden Charges
Drain problems are stressful enough without having to worry about costs spiralling. We provide clear, upfront pricing for all our unblocking services. There are no hidden costs or surprise extras – just honest, transparent quotes based on the work required. Whether it’s a blocked drain in Cardiff or a full CCTV survey, you’ll always know exactly what you’re paying for.
Fully Equipped and Ready for Any Blockage
Our engineers arrive with the latest drain unblocking equipment in their van. That includes high pressure water jetting systems, mechanical cutting tools, and state-of-the-art CCTV drain cameras. From minor clogs in internal plumbing to major obstructions in external sewer lines, we have the tools and expertise to clear the blockage and restore your system in a single visit.
Local Knowledge and Experience You Can Trust
Being Cardiff-based means we understand the challenges of local drainage systems. From Victorian clay pipes in older properties to modern plastic systems in newer estates, our engineers know what to look for and how to resolve the issue quickly. We’re familiar with recurring drainage issues across different parts of the city and adapt our approach to suit your property.
Trusted by Domestic and Commercial Clients
We’re proud to serve both residential and commercial customers across Cardiff. Homeowners, landlords, letting agents, retailers, schools, and restaurants all rely on Clark Drainage for fast, effective unblocking and maintenance services. Whatever the size of the job, we provide the same high standard of service and commitment to resolving your problem quickly.
Courteous, Professional, and Hassle-Free
Drainage problems can be unpleasant. We make the process of fixing them as painless as possible. Our engineers are polite, tidy, and respectful of your property. We work quickly, communicate clearly, and clean up after the job is done – so you’re not left with a mess once the drain is unblocked.
Contact Our Cardiff Team Today for Fast, Hassle-Free Drain Unblocking
If you’re facing a blocked drain in Cardiff, you don’t have to put up with the mess, smell, or inconvenience. Our team of drainage engineers is fully equipped to unblock your system quickly and with minimal disruption. Whether it’s a simple blockage or a more complex drainage problem, Clark Drainage Cardiff offers the experience, tools, and customer care you can rely on.
We specialise in clearing blockages, resolving drainage issues, and restoring your system to full working order – all with fixed price quotes and no hidden charges. If you’re looking for a local drain company that delivers expert results and a professional service from start to finish, look no further.



