Unblocking throughout the Netherlands / No solution = No payment.

Logo unclogging drain toilet.png

info@ontstoppen.nl

Phone: 085 2505 217

Unblocking throughout the Netherlands: We will help you quickly €169,50 All-in. No solution, no payment.

Have your main sewer unblocked with a guarantee - Unblocking for €169,50. Fast on-site service throughout the Netherlands.

A clogged main sewer can cause significant stress in the home and even damage to your property. With our service at Ontstoppen.nl, main sewer problems will be a thing of the past in no time. We always offer unclogging of…

Need immediate help? Fill in your details.

Unblocking throughout the Netherlands: We will help you quickly €169,50 All-in. No solution, no payment.

Google review 1.png

Kitchen/bathroom drain or Sanibroyeur

€ 169.50

  • No solution = No payment
  • No hidden costs or surcharges
  • Including call-out charges
  • Direct unblocking
  • No chemicals
  • 8 week warranty

* Evening and Saturday rate +50%,
*Sunday rate + 100% .

Main sewer

€ 296.45

  • Solution for complete blockages
  • No hidden costs or surcharges
  • Including call-out charges
  • Direct unblocking
  • Flushing included
  • 8 week warranty

* Evening and Saturday rate +50%,
*Sunday rate + 100% .

Helped quickly and courteously. The plumber arrived within the agreed time slot. After this, I haven't had any more trouble with the blockage. …”
Shanice De Groot
Received great service. I like the fixed price and knowing you won't be scammed. You read so many nasty things these days.
Marleen Van den Bosch
The man is just driving away. Called at 11:00 and it's already resolved for a fixed and pre-agreed rate. Nice.
Michiel Uitdenbongerd
What a great company. As a French woman with a Dutch partner, you don't really know who to turn to. Ontstoppen.nl had a clear all-in price. Very good, I recommend.
Sarah Touat
As property managers, we unfortunately often have to deal with blockages, leaks, and other issues. It is really nice that we can rely on the service of Ontstoppen.nl and loodgieter.nl can build. Keep up the good work!
Regional Real Estate Management
"Had a blockage in the kitchen drain and was helped with it immediately. The prices were discussed and action was taken the same day, fantastic! ..."
Jordy Mayer
"Very satisfied with the service! We had a stubborn blockage in the kitchen drain and the unblocking company was able to come by the same day. The technician was friendly, worked neatly, and clearly explained what the problem was. …”
Rojda Django

A clogged main drain can cause significant stress in your home and even damage it. With our service at Ontstoppen.nl, problems with…

🏆Fixed price, no surprises with No Cure No Pay. On-site within 24 hours. Click and receive your price instantly.
Request a free quote →

Our specialists arrive quickly, using state-of-the-art techniques, and provide immediate clarity on the cause and solution. Whether it's a blockage caused by grease, toilet paper, or roots, we'll resolve it professionally and leave your drains spotlessly clean.

If you prefer certainty and immediate results, please check our Google reviews for main sewer unclogging with a guarantee and experience why so many people rate us 5/5!

Have your main sewer unclogged with a guarantee in the Netherlands


Have your main sewer unclogged with a guarantee in the Netherlands

Having your main sewer unclogged with a guarantee is a smart investment in the Netherlands if you want to quickly enjoy a properly functioning sewer system again and be safe from recurring blockages. The main sewer forms the foundation of the drainage system in every building and connects various indoor and outdoor drains to the municipal sewer network. Ontstoppen.nl We combine expert craftsmanship, transparency and high-quality equipment to resolve any blockage effectively, safely and for the long term.

How does main sewer unblocking with a guarantee work?

If you notice water draining slowly in various drains, hear a gurgling sound, or unpleasant odors from the sewer are entering your home, you may have a problem with your main sewer. This requires a completely different approach than simply blocking a drain. Unblocking the main sewer follows a structured protocol, including:

  • In-depth sewer inspectionWith modern camera inspections, we pinpoint the exact problem and location of the blockage. This prevents unnecessary demolition work when clearing the blockage.
  • Use of professional drain cleaning machinesWe work with powerful high-pressure cleaners and spring machines that remove even stubborn blockages such as grease, limescale, tree roots, or construction waste from the main sewer.
  • No cure no payYou only pay when the blockage is actually resolved, and with our 8-week guarantee, you can be sure that the blockage has been permanently resolved.
  • All-in rate and unlimited labor costsFor €296,45 (including VAT), we'll solve any main sewer problem, regardless of the timeframe. No surprises, no extra bills.
A clogged main drain can cause significant stress in your home and even damage it. With our service at Ontstoppen.nl, problems with…

Reasons to have your main sewer unclogged with a guarantee

A blocked main sewer not only causes inconvenience but can also cause structural damage and health problems. By choosing a drain cleaning company with a guarantee right away, you prevent permanent problems. The main reasons are:

  • Protection against recurring problemsWith an 8-week warranty, you get peace of mind in case of recurring complaints. Our approach is fundamental and preventative.
  • Carefree handling of damage and repairsWe are happy to assist you with reporting your investigation and repairs to your insurance company, housing association, or municipality.
  • Quick serviceWe'll restore your sewer system to optimal working order within 24 hours. Immediate response and no waiting.
  • Professional diagnosisOur sewer experts use techniques such as smoke detection, color flushing, and sewer cameras, so that no defect goes unnoticed.

Our process for unblocking main sewers with a guarantee

Our services are completely transparent and tailored to your specific situation. The process is structured in clear steps for maximum security and minimal disruption:

  1. Telephone contact or online applicationCall, email, or visit our website for immediate assistance or a quote. We always schedule an appointment within 24 hours.
  2. Analysis and detectionOur sewer specialist will arrive with measuring equipment, unblocking tools, and, if necessary, inspection cameras.
  3. Carrying out the unblockingWe clean the main sewer with a high-pressure jet, spring machine or pneumatic technology and remove all residues.
  4. Control and aftercareAfter clearing the blockage, we use a camera to check whether the pipe is completely clear, and you will receive clear maintenance advice.
  5. Warranty and completionWith the warranty certificate in your pocket, you can be sure that we take our responsibility and provide high-level service.

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.

Unclogging your main sewer with a guarantee

Causes and solutions for main sewer blockage

Main sewers usually become clogged due to years of waste buildup, root growth, subsidence, or breaks in the pipe system. Our expertise extends to:

  • Deposits of grease, oil and soap residueEspecially in kitchens and companies, accumulations cause disruptions throughout the entire system.
  • Ingrown tree roots: Green areas or older sewers are susceptible to root formation, which causes the main sewer to become structurally blocked.
  • Construction waste and sand: After renovations or soil subsidence, debris and rubble often end up in the main sewer, which is difficult to remove without specialized tools.
  • Prolapse or fracture: Cracks in stoneware pipes, PVC or concrete cause leaks, non-return valves or even subsidence of the entire pipe.

What makes our guarantee unique when it comes to unblocking main sewers?

At Ontstoppen.nl We offer a fixed rate and transparent terms and conditions, so you always know where you stand. We follow the official protocols of the RIONED Knowledge Center and RIWA, and our specialists are trained to work according to NEN 3399 standards. Our guarantee means we'll return free of charge within eight weeks if the problem recurs.

  • Fixed rate and clarity in advance: No surprises or small print, we always discuss major replacements in advance.
  • Quality equipment: Only use of state-of-the-art spring machines, cameras and cleaning technology.
  • Certified drain cleaning company: Ontstoppen.nl operates nationally and is affiliated with relevant industry organizations in the Netherlands.

Want to know how we can immediately unclog your main sewer in your area, for example, in the Rotterdam region? Then read on to learn more about our services. sewer unblocking services in Rotterdam.

Would you like to know more or have your main sewer unclogged immediately with a guarantee?

For all problems with your main sewer, you are at Ontstoppen.nl You've come to the right place. Want to know the costs, the approach, and our guarantee beforehand? Feel free to contact us at 085 2505 217, WhatsApp, or email us at info@ontstoppen.nl. Request a free, no-obligation quote quickly and easily today via this request a customized quote for main sewer unblocking And take advantage of an 8-week warranty, no cure, no pay, and fixed rates. This way, you'll have a worry-free and optimally functioning sewer system again, with no surprises later.

Frequently asked questions

What exactly does having a main sewer unclogged with a guarantee entail?

When you have the main sewer unclogged with a guarantee at Ontstoppen.nlThis means you're always guaranteed a solution to your blockage. Our certified technicians use professional unblocking equipment to quickly and thoroughly resolve even the most stubborn blockage in your main sewer. We offer an eight-week warranty on every unblocking job, so if a blockage occurs again on the same route within that period, we'll resolve it at no extra cost.

With our no-cure-no-pay service, a fixed rate for main sewer unblocking (€296,45 incl. VAT, including call-out charges and unlimited labor), you know exactly what to expect upfront. You'll receive complete transparency, direct communication, and always receive a quote first for any replacements. Want to learn more about professional toilet blockage solutions? Then check out our explanation about professionally solving toilet blockages for additional information.

Why is a warranty important when unblocking the main sewer?

A main sewer unblocking guarantee provides peace of mind and prevents unexpected costs. The main sewer is the main artery of your drainage system; if it becomes clogged again due to the same cause within the warranty period, we will take care of it. Ontstoppen.nl Immediately request a free repeat unblocking. This prevents repeated inconvenience and high bills if a blockage unexpectedly reoccurs quickly.

Moreover, it's a sign of confidence in our own services: we'll solve it, whether you live in a terraced house, apartment, or commercial property. By offering a warranty, we guarantee professional work using the most modern techniques, such as high-pressure flushing. Tip: Are you experiencing clogged drains at the same time? Then read more about our unclog multiple drains at the same time service for a total solution.

how are you Ontstoppen.nl to work on a blocked main sewer?

We first address every main sewer blockage with a camera inspection or smoke detection if necessary, depending on the severity and location of the blockage. Then, we use our advanced high-pressure jet or spring machine to remove stubborn dirt, grease, limescale, or root growth from the main sewer. Thanks to our efficient working methods, you are guaranteed a fast and lasting result, significantly reducing the risk of recurring problems.

You always pay an all-inclusive fixed rate for unblocking, regardless of how long the work takes. Replacements, if necessary, are always discussed in advance. Our specialists will be ready to solve the problem within 24 hours. Want to know how we can help you with a clogged shower drain? Then take a look at our professional shower drain unblocking service for quick help in the bathroom.

What causes a clogged main sewer and how do you prevent this?

A blocked main sewer line is often caused by a buildup of grease, dirt, toilet paper, wet wipes, hair, or even ingrown tree roots that block the pipe. Subsidence in the pipe system of older homes and homes with extensive vegetation also poses a higher risk. Regularly flushing large amounts of water and not flushing unsuitable materials like paper towels and wet wipes down the drain helps prevent blockages.

At Ontstoppen.nl After every blockage, we offer preventative advice to avoid future problems, such as having a periodic sewer inspection performed. Avoid using chemical drain cleaners whenever possible, as they can damage the sewer. It's wise to follow our tips and be extra vigilant for signs such as bubbling drains or unpleasant odors. Considering giving your bathroom drain extra protection? Read more about how you can easily protect your Have your bathroom drain and siphon professionally unclogged.

What are the costs of having the main sewer unclogged, including the warranty?

At Ontstoppen.nl Benefit from transparent, fixed rates for unblocking your main sewer, guaranteed. For a single blockage, we charge €169,50 including VAT, including call-out charges. If the blockage is in the main sewer, our fixed flushing rate of €296,45 including VAT applies, regardless of the time or labor required. This all-inclusive rate includes materials, labor, and an eight-week warranty.

No cure, no pay also means no costs if the blockage isn't cleared. We clearly outline the costs upfront for every situation, so you'll never encounter any surprises. We always discuss any necessary replacements first, so you can make your own decision. This way, you can be sure that you're getting the best deal. Ontstoppen.nl not only convenience, but also the best price-quality ratio and the certainty of a warranty.