At Ontstoppen.nl Quickly solve your sewer problems in The Hague. We have extensive experience with sewers, drains, drain cleaning, basement and downspout blockages, and leak detection. From camera inspections to high-pressure cleaning, we'll take care of it right away.
Do you no longer see water flowing away or hear bubbling sounds? Feel free to check our excellent reviews about sewer unblocking in The Hague and discover why others choose Ontstoppen.nl.
Sewer unblocking in The Hague: What is it and how does it work?
Unblocking drains in The Hague is essential to prevent serious problems. A blocked drain not only causes unpleasant odors, gurgling sounds in pipes, and slow drainage, but can also cause flooding and damage to your home. We at Ontstoppen.nl We expertly resolve sewer problems using state-of-the-art techniques such as spring machines, high-pressure cleaners, and camera inspections. We offer the right solution for every blockage, using specialized equipment and expert diagnostics. Whether it's a residential building in The Hague city center, a retail space near the Binnenhof, or a commercial property in Ypenburg, we're ready to help.
Types of blockages in The Hague
A blocked drain can have various causes. In The Hague, with its historic city center and modern neighborhoods like Leidschenveen and Loosduinen, various types of blockages occur. We are familiar with all local situations and resolve them quickly. Typical problems for which you should contact us:
- Blockage in the kitchen drainGrease, food residue, and soap buildup cause stubborn blockages in kitchen and sink pipes. Due to heavy use, clogging occurs frequently.
- Toilet or toilet blockagePaper, wet wipes, and sometimes even toys can cause stubborn blockages. Our professionals can quickly resolve these issues before they lead to overflow problems, so you can quickly use your plumbing again without any stress.
- Shower drain cloggedHair, soap, and limescale can cause a blockage in the shower drain or bathroom drain. Water doesn't drain away, and unpleasant odors are noticeable. We handle these jobs professionally, just like in Leiden, where similar blockages are common. Read more about how we unclog a shower drain.
- Internal and external sewer blockageOld houses in Scheveningen, sandy soil around Bezuidenhout, or trees and root growth in Wateringen can cause subsidence and backlogs in the outdoor sewer system. We identify causes throughout the entire system, from downpipes to gullies in your garden.

Our sewer unblocking process in The Hague
We unclog drains carefully and always with lasting results. Our approach is tailored to various types of blockages and the infrastructure in The Hague. The standard process includes:
- problem analysisWith our inspection cameras, we map the precise location and nature of the blockage. Thanks to our advanced equipment, every blockage is quickly located.
- Assessment of the sewer systemDepending on the pipe material, location, and accessibility, we determine the most effective solution. From cast iron downpipes to plastic outdoor sewers – we know every system.
- Use of professional equipmentFor minor blockages, we use spring machines or hand tools. For heavier jobs, we handle them with a high-pressure unit and, if necessary, ultrasonic detection technology.
- Testing and checkingAfter clearing the blockage, we thoroughly check for water flow and any leaks. Everything is only complete when it's 100% perfect!
- Aftercare and advice on preventionYou will always receive practical advice on how to use your sewer system smartly and how to prevent recurring blockages.
How we work
How we work
Report a blockage (without obligation)
Tell us where the blockage is (drain, plumbing, toilet, or sewer). We'll immediately analyze the situation by phone, WhatsApp, or form.
Free quote
You'll receive a clear, all-inclusive price for unblocking—including call-out fees, labor, and a no-win, no-fee policy. No surprises.
National coverage
Our certified sewer specialist often arrives the same day. We unclog drains without any demolition work, using professional equipment.
Unblocking & warranty
We'll fix the blockage, inspect all pipework, and offer an 8-week warranty. Safe, durable, and professional.

When do you switch Ontstoppen.nl in The Hague in?
Customers from The Hague choose us for a wide range of sewer problems because of our expertise, transparent fixed rates, and no-win-no-fee guarantee. But when is quick action truly necessary?
- Persistent unpleasant smell or odor in the houseSewer odors or a musty smell often indicate a leak or blockage. We can detect even the most difficult causes with a smoke test or camera inspection.
- Overflowing toilet or shower: Water that rises or remains standing immediately indicates a persistent blockage. Address it effectively with professionals for your home or business.
- Gurgling sounds in drainAir bubbles or hissing in the pipes indicate that the water is no longer flowing smoothly. We'll get the job done quickly to prevent further damage.
- Cellar or crawl space with waterThis can be caused by a subsidence in the sewer or a blockage outside. Our experts will resolve it quickly and professionally, so your home is safe again.
The benefits of Ontstoppen.nl in The Hague
We distinguish ourselves from other parties in The Hague and surrounding areas thanks to our extensive warranty and unique pricing structure.
- 8-week warranty on every unblocking: With confidence in our work, you always get aftercare and certainty.
- No cure no pay: Is the blockage not resolved? No costs!
- Fixed rate: €169,50 including VAT for single blockages: No surprises, everything included – from call-out fees to professional equipment.
- All-in flushing rate €296,45For main sewer service, including unlimited labor costs. You know exactly what to expect.
- Emergency service in The Hague: A solution within 24 hours, always available by phone or WhatsApp on 085 2505 217 or info@ontstoppen.nlIdeal for businesses, homeowners' associations, and private individuals.
Sewer cleaning and camera inspection in The Hague
In addition to unblocking, we offer a complete camera inspection and cleaning service for recurring problems or sewer odors in your home. Our advanced inspection cameras monitor every inch of your plumbing system, ideal for older homes in areas like Statenkwartier or Zeeheldenkwartier. Once detected, we pressure-clean the sewer if necessary, ensuring the entire pipe system functions as new again. We can also detect leaks and carry out minor repairs immediately. Our expert approach provides certainty and lasting improvement. Want to know how we operate in Amsterdam? Then visit our page about unclogging a sewer in Amsterdam for more insight.
A clogged drain in The Hague quickly resolved
Are you experiencing problems with a clogged drain? In The Hague, we solve not only sewer problems but also specific drainage issues in kitchens, bathrooms, toilets, and laundry rooms. Whether it's a blocked sink, shower, or outdoor drain, we're happy to help. Our services extend to every neighborhood in The Hague. We're always on-site quickly and work exclusively with professional, certified technicians. Want your blockage resolved today? Request a quote today. custom quote for sewer unblocking and receive a response within 24 hours.
Need help quickly in Utrecht or elsewhere? Learn all about our approach on our page. unclogging a sewer in Utrecht.
For non-binding advice or quick contact, you can call or WhatsApp us on 085 2505 217, or email us at info@ontstoppen.nl.
Frequently asked questions
How fast can Ontstoppen.nl Need to fix a sewer blockage in The Hague?
When you encounter a blocked drain in The Hague, you naturally want help as quickly as possible. Our team of Ontstoppen.nl We'll be at your doorstep within 24 hours to adequately resolve your sewer problem. Thanks to our extensive experience with the sewer system in The Hague region and our professional unblocking equipment, we can tackle the most common blockages immediately.
We understand that a sewer blockage can cause significant inconvenience in your home or business. That's why we maintain a clear communication system, and when you schedule an appointment, you'll immediately receive insight into our established rates and procedures. Do you have a critical blockage, such as an overflowing toilet? Then also read when it's wise to call a plumber. clogged toilet, call emergency service for emergency assistance.
What are the costs for sewer unblocking in The Hague? Ontstoppen.nl?
At Ontstoppen.nl We keep our rates clear and transparent. For a standard drain blockage, we charge a fixed rate of €169,50 including VAT, which includes call-out fees and the use of professional equipment. Is your main drain blocked? Then we charge an all-inclusive flushing rate of €296,45. No surprises later: you always pay the agreed-upon amount, regardless of the time we need.
Want to try unblocking yourself first, but that doesn't work? Rest assured, our no-win, no-fee guarantee means you only pay if the problem is truly resolved. We believe in clear agreements, so you'll never be faced with unexpected costs. Considering professional help? Then read more about professional toilet blockage removal if you are unsure whether the problem is with the drain or the main sewer.
What are the most common causes of a clogged sewer in The Hague?
The most common causes of blocked drains in The Hague are a buildup of grease, food scraps, wet wipes, hair, and construction debris. Our team observes that many older homes in The Hague suffer from outdated pipes or tree roots that penetrate the sewer system and cause blockages. Subsidence in the sewer system due to the region's soft soil can also lead to persistent blockages.
We use advanced techniques like camera inspections to pinpoint the exact location and cause of the blockage. This prevents unnecessary demolition work and ensures a targeted approach. Is it a toilet that isn't flushing properly? Then see how we can help. professional toilet unclogging without damage to tiling or sanitary facilities.
What is the difference between a normal blockage and a main sewer blockage?
A normal blockage often occurs in the locally connected drain, such as the toilet, kitchen, or shower. This is caused by a localized buildup of dirt, hair, or grease. A main sewer blockage affects the central sewer system to which multiple drains are connected, causing you to notice that several plumbing fixtures are malfunctioning or not flushing at all.
A blockage in the main sewer often requires more specialized equipment and a different approach than a simple drain blockage. Ontstoppen.nl We offer a fixed price for both situations, so you know exactly what to expect. Is your bathroom, kitchen, and toilet clogged at the same time? Ask us about the options for unclog multiple drains at the same time for an efficient total solution.
Is there a guarantee on sewer unblocking? Ontstoppen.nl in The Hague?
We offer a standard 8-week warranty on all our drain cleaning work in The Hague. This means you're guaranteed a long-lasting result and can contact us free of charge if the blockage reoccurs in the same pipe within this period. We always record exactly which drain has been cleared and keep you informed of our findings, so you have insight into the cause and how to fix it.
Our guarantee and transparent pricing provide additional security and confidence. Should it unexpectedly become necessary to replace parts of the sewer system, we'll discuss the costs upfront, so you always have control over your budget. Want to know when a specialist approach is required? Then check out our services for Have your drain blockage resolved professionally and discover how we can professionally help you with your home in The Hague.








