There are many levels to the UK’s drainage system, directing water and waste from your home to sewage plants throughout the nation. This begs the question, then, when a problem arises in a drainage system, who is responsible for fixing it?

The answer is; it depends on where the blockage has taken place.

It is crucial you are aware of what is your responsibility and what isn’t; after all, you don’t want to be shelling out money for malfunctions which are not your job to fix. By the end of this article, you should have a good idea oh how to handle different drain problems, as well as learning a little bit about our national sewage system!

The National Drainage System

Our sewage system is made up of three main levels:

  • Private Drains
  • Lateral Drains
  • Sewers

The National Drainage System

Each of these sections play a vital role in guiding our waste towards processing plants. In the rest of this blog, we will examine each level in more detail.

Private Drains

Private drains are the first, and indeed most straightforward, section of the country’s wastewater system. They are also very easy to define! Private drains are the section of the wastewater system which is located on private land. This means that, naturally, when something goes wrong it is the responsibility of the landowner.

Moreover, if your private drain suffers an issue which is causing more widespread issues, in lateral drains and sewers, then your local authority will ask you to get it fixed without delay.

Most blockages occur in private drains simply because they are so much narrower than their larger counterparts. Pipes get progressively bigger as the waste moves from lateral pipes to sewer pipes, meaning much larger and more troublesome objects can get washed through freely.

Many people find it useful to know precisely where their own drain ends before connecting to a lateral drain. To find out, book in one of our CCTV Drain Surveys. Our technicians can use high-tech camera equipment showing you exactly what is your responsibility. In addition, we will highlight any potential problems before they cause a critical failure. Remember; maintenance is better than repair!

If you do suffer a drain issue on your property, make sure you contact Clark Drainage without delay to make the repair process as painless as possible. We have technicians ready to go at all times, every day of the year. In addition, our well-trained technicians have top-of-the-range equipment which means they can offer fast and cost-effective solutions.

To book a job, give us a call on 0808 164 0776.

Lateral Drains

Lateral drains are very similar to private drains. They are usually the exact same width and are made of similar, if not the same, materials. The critical difference is that they just have not become sewers yet!

The thing that differentiates a lateral drain and a private drain, however, is that once the pipe goes outside the boundaries of your property, it is no longer your responsibility. These pipes will carry the waste from your household into the street, where it will converge with the pipes from other homes (perhaps into a wider pipe), to be carried to the main sewer.

As such, it is the job of your local authority to maintain these drains as they are public property. After the point that your private property ends, any clogs are not your issue. A useful way to find out whether or not a problem is within your own system, or the public one, is to contact your neighbours and find out if they are experiencing the same issue.

Sewer Pipes

The last stage that waste from your home will enter is the sewer pipe. These significantly larger pipes will take all of the wastewater from your home towards a treatment plant. In these facilities, any large objects are filtered from the water which is then cleaned and treated so that it can re-enter the public water system.

Sewer Pipes

Blockages in sewer pipes will not just cause expensive and widespread damage, but they can cause serious health risks for residents living nearby. If there is a blockage, soiled and dirty water might start to return to nearby water pipes, potentially spreading illness and disease.

Because sewer drains are public, again the local authorities are responsible for maintaining them. When sewers break, they don’t always cause problems in your own home, but when they do you should let your local council know as soon as possible.

Are You Facing Drainage Issues?

Drainage systems are something that we often take for granted. When they work correctly, we have very little reason to think about them. However, when something goes wrong, they will very quickly remind you that they are there.

A clog within your pipes can lead to damp in a matter of no time. At this stage, it does not take long for this leak to lead to critical flooding. Water damage is expensive, disruptive, and generally just incredibly bad news.

To make sure that we are always ready to address blockages whenever they occur, we have teams available every second of every day, 365 days a year. We also arm our technicians with a fully stocked van with everything they might need to address problems effectively and efficiently upon arrival; we will not have to delay while we wait on the right equipment.

Clark Drainage also provides fantastic maintenance services. This means that we can address minor faults in your drainage systems before they become a dangerous problem, saving you significant amounts of time in the long-term, or indeed short-term depending on your luck!

To arrange a repair or service today, give us a call on 0808 164 0776.

Alternatively, fill in our contact form, and one of our personnel will be in touch as soon as possible.

Call 0808 164 0776
ReviewsWhat our customers have to say about us
  • 14/10/2025

    Bang on time, job done fast.

    Turned up bang on time and were done quicker than expected. Cheers lads! Was expecting a drawn-out job, but they clearly knew what they were doing and just cracked on.

  • 10/10/2025

    Explained everything so simply.

    I had no clue what was going on with our pipes but they explained it all so clearly. Felt completely reassured the whole time and appreciated how patient they were with my questions.

  • 18/09/2025

    Down to earth and skilled.

    Really down-to-earth team who know what they’re doing. Cheers for the help. From the moment they turned up, it was clear we were in good hands. They made the whole process simple and stress-free.

  • 17/09/2025

    Didn’t let us down.

    They were recommended by a mate and didn’t disappoint. From the first phone call to the final clean-up, it was clear they knew their stuff. We felt confident we were in good hands the entire time.

  • 18/08/2025

    Surprisingly brilliant.

    Never thought I’d be raving about a drain company but here we are. They were just that good. Helpful, friendly, honest – and most importantly, they fixed the problem without any stress.

  • 18/08/2025

    Detailed and really useful.

    Had a CCTV survey done. Report was super detailed and made it easy for our builder.

  • 17/08/2025

    Garden sorted, no more flooding.

    Cheers to Clark Drainage for getting our garden sorted after that downpour. Great job. We’d tried a few things ourselves with no luck, but they came in, identified the issue quickly, and had the drainage working perfectly again.

  • 17/08/2025

    Quick turnaround and sorted fast.

    The lads came out next day and fixed the issue in half an hour. It had been bothering us for weeks, so to see it sorted that quickly was honestly a huge relief.

  • 16/08/2025

    Did it right first time.

    We’d had other companies round who couldn’t fix it. Clark Drainage had it sorted in one visit. The difference in professionalism and competence was night and day. Absolutely brilliant from start to finish.

  • 14/08/2025

    Proper pride in their work.

    It’s not glamorous work but they do it with a smile and real pride. Can’t say I’ve ever seen someone so happy clearing a drain, but they made the whole thing stress-free and even a bit fun.