Unblocking throughout the Netherlands / No solution = No payment.

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info@ontstoppen.nl

085 2505 217

Recently, Ontstoppen.nl part of Loodgieter.nl!

Solve bathroom drain blockage - Unclog for €169,50. Fast on-site throughout the Netherlands.

You suddenly notice that the water in your shower is draining away more and more slowly. A clogged bathroom drain can cause quite a bit of irritation. This often happens with a lot of hair, soap residue, or dirt that clogs the siphon and…

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

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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% .

Warranty conditions click here*

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% .

Warranty conditions click here*

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

You suddenly notice that the water in your shower is draining more and more slowly. A clogged bathroom drain can cause a lot of irritation. This happens often…

🏆Fixed price, no surprises on No cure no pay*. On-site within 24 hours. Click and receive your price immediately.
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We tackle the problem at its source, whether it's a backed-up shower drain, a stuck sink, or unpleasant odors from the sewer. Using smart technology, we ensure your bathroom drain is cleared quickly.

Want to see how others rate our help? Feel free to check out our reviews on how to solve a clogged bathroom drain at Ontstoppen.nl.

What is a bathroom drain clog and why does it happen?


What is a bathroom drain clog and why does it happen?

A bathroom drain blockage occurs when wastewater from your shower, sink, or bathtub, for example, no longer drains properly. You'll usually notice this by standing water, a gurgling sound, or an unpleasant sewer smell. The cause is often a buildup of hair, soap scum, toothpaste, shampoo, skin oils, or sometimes small objects that have accidentally ended up in the drain. A less common culprit is limescale, especially in areas with hard water, such as parts of North Holland, South Holland, and Utrecht. The structure and diameter of the pipes also determine how quickly dirt can accumulate and form a blockage.

Our experience shows that blockages occur more frequently in bathrooms than in other parts of the house. Not only do several family members shower daily, but the amount of product residue and hair is much higher than in, for example, the kitchen. Sewerage companies report that during periodic inspections of residential drains, the bathroom drain is often identified as a weak link. Housing associations and homeowners' associations also regularly receive complaints from residents about blocked drains.

How a bathroom drain works and types of blockages

Every bathroom is connected to the main sewer system via a network of plastic or cast iron pipes. Modern homes typically use PVC pipes, while older homes often still have steel or stoneware pipes.

The process works as follows:

  • Water drainage via various points: Shower, sink, bath and sometimes the toilet all discharge residual water into these pipes.
  • Aeration: Air supply through air valves prevents vacuum formation and promotes flow.
  • Siphon actionEvery drain has a trap or odor trap that keeps odors out. Hair and soap residue often accumulate here.
  • Main line: All drained water collects in the main pipe and flows into the municipal sewer system.
You suddenly notice that the water in your shower is draining more and more slowly. A clogged bathroom drain can cause a lot of irritation. This happens often…

Different types of blockages that we deal with Ontstoppen.nl to encounter are:

  • Siphon blockage: Buildup directly beneath the drain point, caused by hair, soap and dirt.
  • T-piece blockage: Which causes multiple drains to become clogged at the same time, for example the shower and sink together.
  • Deep sewer blockage: Caused by large wads of grease, toilet paper, wet wipes, or deposits further down the pipe system.
  • Bend blockage: Especially with old stoneware pipes where bends are sharp, which causes build-up more quickly.

Not sure if the blockage in your bathroom is causing a bigger problem in the main sewer? Then read more about what to do in case of a clogged sewer.

Step-by-step plan to solve bathroom drain blockage

If you notice that the water is not draining properly, you can follow these steps:

  1. Cleaning the siphon: Unscrew the siphon under the sink or shower drain and remove any visible dirt.
  2. Removing buildup with a drain snakeUse a manual drain snake to dislodge deeper blockages. Be careful not to damage PVC pipes.
  3. Flush with hot water and sodaSlowly pour a bucket of hot water with a cup of baking soda down the drain. Baking soda has a degreasing effect and helps dissolve light residue and soap scum.
  4. Check for leaks: Re-tighten everything and test the flow. Immediately check for leaks around the drain pipe and siphon.
  5. Have the drain professionally flushedIf the above doesn't help, a professional pressure washer will remove stubborn blockages without damaging the pipes.

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.

How to fix a bathroom drain blockage

Additionally, we use, as Ontstoppen.nl, modern unblocking equipment to quickly and professionally locate and remove blockages in any type of drain.

Professional techniques and technology for solving bathroom drain blockage

Our technicians use advanced methods to resolve even the most stubborn blockages in your bathroom drain. Think of:

  • Sewer camera inspectionA close inspection with a camera quickly provides insight into the exact location of the blockage. This allows us to address the root cause, especially in the case of recurring blockages.
  • Professional sewer jetting equipment: Using a high-pressure water jet, we blast pipes free of limescale, hair, and soap residue without damaging the pipe network.
  • Mechanical spring machines: Especially efficient for long pipe systems in apartment buildings, because we can effectively break up large plug formations.
  • Experienced professionalsThanks to years of collaboration with municipalities, construction companies, and housing associations, we always know the right approach for every situation.

Even for complex problems like pipe bursts or subsidence, we provide replacements and repairs with minimal disruption. Naturally, we discuss the price upfront, so you'll never encounter any surprises.

Prevention and maintenance of the bathroom drain

Prevention is always better than cure. With well-thought-out maintenance, you can reduce the risk of a blocked bathroom drain. Do this by:

  • Regular cleaning of the hair grille and siphon: Place a simple fine mesh screen in your shower and empty it weekly.
  • Do not flush grease or oil: Oil from bath products can also build up in the plumbing system in the bathroom and cause problems.
  • Do not use too many or aggressive cleaning agents: These can actually damage pipes or leave unnecessary residue.
  • Have pipes checked periodically: Especially in older homes or if you frequently experience blockages.

An important tip: never flush sanitary towels, wet wipes, or tissues down the bathroom drain. This almost always causes a blockage within a short time.

How to fix bathroom drain blockage Ontstoppen.nl

We always resolve bathroom drain blockages quickly, affordably, and professionally. You'll enjoy standard benefits such as an 8-week warranty, a fixed rate of €169,50 including VAT, no cure, no pay, and skilled personnel with certified equipment. Our specialists adhere to the standards of the RIONED Foundation, manage the process efficiently from intake to completion, and always leave the workspace clean.

For a quick and permanent solution to a bathroom drain blockage, we offer a free consultation within 24 hours. Would you like to receive a quote within one day? Request a quote online immediately to resolve your blockageYou can also call or WhatsApp us at 085 2505 217 or email us at info@ontstoppen.nlThis way you are assured of a quick and hygienic solution without unnecessary hassle!

Do you want to know how we effectively unclog a shower drain ? Read on below for our specialist approach in the bathroom.

Frequently asked questions

What are the main causes of a bathroom drain blockage?

A bathroom drain usually becomes clogged by a buildup of soap scum, hair, and dirt that settles in the trap or pipework. Hair, in particular, quickly forms a tangle, making it increasingly difficult for water to drain. Residue from shampoo, shower gel, and even body oil also contributes to the problem, as they form a thick layer on the inside of the pipes.

Limescale from hard water, dirt buildup, or the improper use of chemical products can also accelerate blockages. Watch out for objects accidentally disappearing down a drain, such as cotton swabs or jewelry, as these can suddenly cause a blockage. Regular maintenance and paying close attention to what you flush down the drain significantly reduces the risk of blockages. If problems are recurring, consider having a shower drain professionally repaired to ensure a permanently free-flowing bathroom drain.

What is the best way to unclog a clogged bathroom drain yourself?

If your bathroom drain is clogged, you're certainly not left empty-handed. Start by removing any visible debris, such as hair, from the drain with a glove or tweezers. A good old-fashioned plunger can do the trick: firmly hold the plunger against the drain and use vigorous up-and-down movements to dislodge the blockage.

For more stubborn blockages, you can combine boiling water with a splash of baking soda and vinegar; this helps dissolve soap residue and grease. Please note: it is best not to use chemical drain cleaners, as they are harmful to pipes and the environment. Have you tried everything and the water is still standing? Then call a certified service provider immediately to have the drain blockage professionally resolved , so that the problem is fixed thoroughly and without damage.

How do you recognize the first signs of an incipient blockage in your bathroom?

The first signs of a blockage are often obvious: water drains more slowly, and a layer of water forms in the shower or sink drain that doesn't drain away. You might also hear gurgling sounds from the drain, or even experience a foul sewer smell in the bathroom.

Do you notice these symptoms recurring while showering or washing your hands? Then there is a good chance that something is building up in your pipes. Prompt action prevents a complete blockage or damage to the pipes. Periodically cleaning the siphon and removing hair and soap residue extends the lifespan of your drain. If the problem persists, a professional cleaning of the drain and siphon often provides a solution.

What can Ontstoppen.nl can help you with a persistent bathroom drain blockage?

Ontstoppen.nl offers fast and effective service if your bathroom drain is stubbornly clogged. With our professional equipment, expertise, and fixed all-inclusive rates, you always know where you stand. We don't charge an hourly rate, call-out fees are included, and your bathroom is guaranteed to be usable again within 24 hours. Our technicians resolve every single blockage for a fixed price, with no surprises.

What's more, we always offer an 8-week warranty on our work and operate on a no-cure-no-pay basis. This means you run no risk: if the blockage isn't cleared, you pay nothing. If the job runs over or it turns out to be a main sewer line, we offer a transparent all-inclusive rate, so you can shower, bathe, and wash without worrying about a blocked drain.

Can a bathroom drain blockage be prevented, and if so, how?

Prevention is better than cure, so regular maintenance of your bathroom drain makes a world of difference. Place a hair strainer over the drain in your shower and sink. This easily catches hairs before they end up in the pipes. Rinse the drain weekly with hot water to reduce soap residue. Avoid harsh chemical cleaners; natural products like baking soda and vinegar are often more than enough to prevent light buildup.

When cleaning, always check the trap and remove any visible debris. Also, make sure no solid objects get into the drain. If you decide to call in an expert for maintenance or cleaning, you can rest assured that your bathroom drain will continue to function smoothly for a long time. This way, you keep your bathroom fresh and free of water, without any surprises!