Blocked Drain

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Sydney Blocked Drain Services

Here at Optimised Plumbing Services, we have a friendly, reliable and qualified blocked drain team that have all the experience and knowledge ever needed in fixing blocked drain issues. Our blocked drain services start from $77* and we proudly service every Sydney suburb.

We use nothing but the latest technology for locating and eliminating blockages. Our plumbers are fully licensed as per NSW’s Fair Trade and carry out all blocked drain work under The Plumbing Code of Australia. Our plumbers always provide expert advice in order to fix your blocked drains and will prevent this issue from happening in the future.

Solving Drain Blockages For Over 20 Years!

Blocked Drain difficulties are one of our specialties here at Optimised Plumbing Services. Working for all of Sydney’s population, we have over 20 years of experience to deal with all of your plumbing problems. Our blocked drain process involves our team identifying the cause using the latest technology and then implementing strategic methods in order to correctly unblock drains and pipes. The knowledge combined with specific techniques allows us to deal with any dilemma and to perfectly remove blockages. Additionally, we also provide tricks and tips on how to prevent your drains from being blocked in the future. Our work is for the benefit of our clients and we enjoy seeing people with these plumbing stresses being free of the additional worry they bring. Likewise, our prices are affordable and reasonable for the work we do.

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Based on 137 reviews
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10 Tips for Clearing a Blocked Drain

1. Pouring Boiling Water

Pouring hot kettle water down metal and ceramic drains is typically the first step we recommend in unblocking a drain. This remedy is a relatively quick, inexpensive and minimises environmental contamination. However, pouring boiling hot water should only ever be poured down metal and ceramic drains and you should only use hot tap water for PVC pipes. This method can be extremely effective for small drain blockages such as grease and soap build-up, however it will do little to remove solid blockages.

2. Plungers

A trusted plunger always comes in handy when seeking to unclog a blocked bathroom, laundry or kitchen sink and even toilets! Plunges work by creating a seal around the plug hole, followed by applying suction and pressure to dislodge solid blockages. 10 strokes of a repetitive up and down movement is typically all that is needed to clear the drain. However,  It is important to differentiate between the different plunges. For example

  • The standard sink plunger should only really works well on flat surfaces.
  • Whereas a toilet plunger, which is noticeably distinguishable by having a soft rubber flap that folds out from inside the cup, and an accordion plunger are more suited for toilet blockages.

3. Natural Cleaners – Baking Soda & Vinegar

Mixing natural cleaners has been a popular DIY method in unblocking drains for many years. The most effective method in our opinion is applying a mixture of baking soda, vinegar and boiling water. To use this method:

  1. Clear the area around your sink and pour ½ a cup of bicarb (baking) soda down the drain followed by ½ cup of white vinegar.
  2. Then plug your drain and let the natural cleaners sit for approximately 1 hour.
  3. The last step is to unplug your drain and pour a cup of boiling hot water down the drain.

You may have to repeat this process, however after several attempts this is a sure sign of a solid blockage require professional plumbing assistance

4. Caustic Cleaners

Caustic (corrosive) cleaners, can be found in shops such as Woolworths and Coles. These products are high in alkaline and corrosive caustic chemicals and if used regularly can be damaging to the environment. The chemicals in these products are great at dissolving minor drain blockages such as soaps, toiletries, food and hair. However they will not work in larger blockages such as tree roots. Although we recommend other methods are used, if you are use these products please use PPE such as wearing gloves and wearing a mask. You should also ensure your room is amply ventilated by opening all windows. Work safe explains more about the safety of using caustic cleaners.

5. Bent Coat Hanger

Bending a coat hanger while leaving a simple hook at the end of the rod can be an effective way in removing hair blockages and soap build-ups. Simply go to the blocked drain’s entry and carefully and tightly thread the coat hanger through the drain to see if you can dislodge or hook any blockages. This method is typically used for shower blockages and will not work for solid blockages.

6. Checking The U Bend Pipes

This method is only suitable for sink blockages and we advise that it is carefully carried out. It involves you located the u-shaped pipe under your sink as this may be where the blockage has occurred. To check your plumbing’s U Pipes:

  • Firstly place a bucket under the sink to capture dripping water
  • Carefully unscrew the two piping connections
  • Clear any drain blockages

7. CCTV

For more serious blockages we always use CCTV to identify the clog’s location. We insert a special cable attacked with a CCTV camera in your drain and carefully thread through the line until we discover your blockages. We then will apply one of the following methods to remove the blockage depending on the extent of the clog.

8. Electric Plumbing Snake Tool

A plumbing snake is an electrical tool that is used for more serous blockages. It works by the cable’s rotating coil spinning to gradually chip away at the blockage. However this tool has relatively limited range, not always making it easily accessible for all blockage.

9. High Pressure Hydro Jet Blasting

For more serious clogs, we use the method of high pressure jet blasting. This method uses high pressure water to push substances clogging the drain further down your pipe. Hydro blasting is safer than most of the above mentioned remedies , however it is not always effective on serious blockages such as tree root damage.

10. Excavation

Plumbing excavation is carried out only in the most extreme of drain blockages and will surely resolve any clog. This process will involve a plumber digging out the dirt around the pipes underground and repairing and replacing the damaged pipes. It is important to note that excavation can only be restricted to certain areas of piping, so it can save the rest of your property’s pipework from further damage.

Blocked Drain Causes

Having a blocked kitchen sink or blocked bathroom drain have common origins. From our professional experiences, the common reasons as to why drains become blocked are from:

The excess dirt from clothes and yourself accumulate in the drain. This results in bockages and more issues. It is important that you shake yourself and your clothes outside of the shower, washing machine and sink before. This allows the dirt to not be washed completely into the drain.

Items beyond toilet paper and human waste being flushed down a toilet is highly not encouraged. This is because they clearly do not fit in the pipes connected for the toilet and cannot be easily flushed down the drain. Compost, recycling and trash should never be flushed down a toilet, otherwise a professional will need to deal with the issue.

When minerals dissolve in hard water it can lead to your drains being blocked as they mass produce and connect. They are difficult to remove, therefore, having a qualified plumber to get rid of the contents is really the only option. Otherwise, installing a water softener is another method if hard water is an occurrence in your vicinity.

Being one of the most common culprits, hair can build up easily in drains. This is because they connect with grease and other sticky things and clog the drain. Before entering the shower, try to minimise the amount of hair that will fall out or regularly remove the hairs from the drain.

Traditional soap bars are made from fats and grease. This means that when the soap enters your drains there is a chance that the substances can build up. This will clog your pipes and drains. However, they are more common in taps and showers.

Foods, especially coffee grounds, tea leaves, grease and oils, should never be pushed down the kitchen sink. They will easily clog the drain, therefore, simply throw the waste in the bin or compost it.

Sometimes drainage pipes will have small cracks which will give way for tree roots to grow. Complicated and advanced plumbing work will be needed to resolve the occurrence. Make certain that you check up on your tree roots structure so that they are not close to your drainage systems.

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Sydney 24hr Blocked Drain Plumbers

Here at Optimised Plumbing Services, we are a professional blocked drain specialist highly knowledgeable in the trade. We provide instant work with the blocked drains through our emergency plumber service. We arrive as soon as possible and work to quickly fix your property’s clogged drains. We have all the necessary licenses and qualification to work in all types of environments and buildings including subsoil drains. Call our domestic plumbers and commercial plumbers when your drain becomes blocked as you will be in professional hands. Our 20+ years of experience within the field and our passionate staff will remove any issues in the most safe, affordable and quickest way. See why many others have chosen Optimised Plumbing Services as their local Sydney plumbers and contact us on 0411 217 174 or contact@optimisedplumbingservices.com.au for a $0 call out today!

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Our Reviews!

Be sure to check out our reviews and what other Sydney locals are saying about us!

A big callout for Mick, John and Jos for the high quality work they have just finished. My drainage needed some serious work. The garage would flood regularly and most of the subterranean pipes had shifted and blocked after 50+ years of service. They came in, got the job done and cleaned up well afterwards. My wife was very complimentary of the respectful way they interacted with both of us. Would definitely use them again
Bryce Wilson
Bryce Wilson
10:55 25 Jan 22
Lachie and Enrico cane out to our place to install wated to our fridge. They were very professional and smart men. They did a great job very mannered and greaf work. Also great price too. Will definitely be using them again
Edwin Jilalo
Edwin Jilalo
03:29 10 Jan 22
Well what can I say but BRAVO BRAVO BRAVO to this expert and professional team of plumbers. In 2020 we had this crazy leak that just when they thought it was fixed, just like that it would come back but thanks to their persistence and hard work they finally found and repaired it and from that day we were hooked. Of course we then recommenced them to all our friends. October 2021 we had water constantly running in the toilet like it was filling up all day and night the guys came same day quote and the next day had to replace all the pipping and valves inside the cistern. November 2021 another leak and this time all the old pipes under the sink needed to be replaced as always same day professional service. Come December Christmas Eve late in the day we discovered we had no hot water and a desperate call to them and come within the hour and replaced our hot water cistern in the dark so that we would could have hot water on Christmas Day. I said to my hubby that bad things usually happen in three's but who knew it would be our plumbing. The Optimised Plumbing team are simply the best group of tradies we have ever had the pleasure to deal with. Their attention to detail, work ethic, very reasonable pricing and dedication to their profession, even during inconvenient times and difficult plumbing procedures is absolutely 100% second to none. Thank you OPS you gave us an awesome Christmas but we do hope we don't have to see you soon from Lyn and Jeff lol.
Lyn De Vos
Lyn De Vos
04:21 26 Dec 21
These guys are excellent. We needed extensive plumbing works, including digging up a lot of our front yard to install new sewer pipes, and while it was all a shock at first, Optimised Plumbing Services made the process quick and easy.We had a few different staff turn up at times due to the size of the job and each of them was professional, friendly, efficient and hard-working. They restored our front yard to how it was previously (as best they could), and were very clear about the steps all the way through. The job was completed much quicker than we expected and with absolutely no fuss.Although our job was costly because of the extent of works, I did not feel at all ripped off and wouldn't hesitate to recommend them and use them again.
Alison McCutcheon
Alison McCutcheon
21:58 15 Dec 21
Needed urgent toilet cistern replacement, Jack & Ethan both were100% professional, very pleasant to deal with and Ethan completed the installation quickly and professionally. Highly recommended plumbers. Thank guys!
Ray Lemond
Ray Lemond
21:18 13 Dec 21
Called Optimized plumbing services this morning for an urgent job required. Ethan arrived earlier than expected as he understood the urgency of job required. Ethan provided professional and yet friendly service. He promptly fixed the leak, installed new shower head and provided excellent customer service. I would not hesitate to recommend Ethan from Optimized plumbing services to everyone and I would happily seek Ethan’s services again for all future plumbing needs.Thank you Ethan once again for awesome job you’ve done for us!
Marie Nixon
Marie Nixon
08:42 26 Nov 21
Recently, Kurt and Rico of Optimised Plumbing Services installed a new toilet and repaired a gas leak in the pipe leading to my gas heater. These two (2) young men were punctual, happy, professional and highly efficient when carrying out the work required. I can recommend them both and Optimised Plumbing Services for your gas needs. Mark - Kirrawee NSW.
Mark REA
Mark REA
23:02 29 Oct 21
They are very honest. I called them to fix a problem from my previous plumber. They were very honest and told me that they can fix the issue but why pay us for the job when the original plumber did me wrong. So they even talked to plumber and told him what he did wrong and how he needs to fix it.Big thanks you to Kurt and Mac for their above and beyond, and honesty that is hard to find those days. I recommend them to everyone. Amazing people.
Charlotte Lavroff
Charlotte Lavroff
04:52 28 Oct 21
Friendly and helpful staff. Would recommend
Peter H
Peter H
00:06 17 Oct 21
Mik was very professional and kept me informed right throughout the job. I am very pleased with result and the speedy and successful way he and his team completed the repairs. I am happy to recommend Optimised Plumbing and would use them again if I needed a plumber.
Michael Peebles
Michael Peebles
22:59 16 Oct 21
Great professional service
Syed Qaisar
Syed Qaisar
22:09 13 Oct 21
Great value and most importantly a great job
Steven Thuaux
Steven Thuaux
05:06 09 Oct 21
This is the second time round and I was equally pleased. Fabulous service from the the initial call to the completion of the job.Ethan was most polite, friendly, efficient and patient. So easy to trust his advice and alternative suggestions. Quality products and very affordable.Totally delighted with the end result. No doubt will be calling again and will highly recommend to all in need of plumbing services. 😊
Celia Betonio
Celia Betonio
09:10 06 Oct 21
Great Job by Mik at Optimised Plumbing. Quick response & clear & concise explanation of the issue & rectification required. Would definitely recommend to others!
Bushbasher11
Bushbasher11
23:48 29 Sep 21
Patrick Fitzgerald
Patrick Fitzgerald
02:40 27 Sep 21
Lachlan provided a quick and professional service to fix our shower. Would use optimised Plumbing Services again and would recommend this service.
Helen Lyons
Helen Lyons
05:52 26 Sep 21
Lory Colgrave
Lory Colgrave
22:18 20 Sep 21
Mik arrived within half an hour of my call. He was very polite, professional and efficient. He explained what had happened and what he needed to do to fix the problem very clearly and patiently. He attended to the job professionally and he cleaned up after he completed the job. Then he even followed up with a call a few hours after he had finished the job to ensure that all was well and problem solved. I would definitely use Optimised Plumbing again in future. Highly recommended
Christine Lum
Christine Lum
11:51 17 Sep 21
Mik and his team were on time and did a very good job. Thank you!
Angelo Abeywickrema
Angelo Abeywickrema
06:11 17 Sep 21
Rong Mayr
Rong Mayr
05:36 17 Sep 21
Lachlan, John and Jackson did great job, on time, fast and efficient. Thanks guys from Tony and Susan at Darling Street
Tony MacAndrew
Tony MacAndrew
22:55 12 Sep 21
I had a damaged pipe in my water tank and Kurt the plumber did a very good job in fixing the issue…If anyone needs a plumber Kurt is highly recommended..
mauricen68
mauricen68
10:18 10 Sep 21
Many Thanks to Lachy, Rico and Jackson from Optimised Plumbing Services for a great job fixing our toilet / plumbing problems. They responded promptly to our call and were very friendly, courteous and professional. All the works and options were explained and the job was completed in a timely manner. The price was good too!We would definitely call on their services again and would highly recommend them.Thanks again guys! Vivienne, Carol, Glen & Alison.
Vivienne Hart
Vivienne Hart
04:36 09 Sep 21
Thanks for sending out lachy to unblock my drain, very prompt and professional service.
Paul Poulakis
Paul Poulakis
07:05 06 Sep 21
We needed our fridge and washing machine install urgently, we called optimise and they were lovely from the start. Lachy came over and gave us a good deal and organised everything to be installed. He was very professional and came right on time.
Megan Akua Serwaah
Megan Akua Serwaah
22:33 05 Sep 21
The most professional service I ever had well done I will be using them always and tell all my friends
Paul Alvarez
Paul Alvarez
08:42 04 Sep 21
Very Professional, fast and reliable. Highly recommended.
R S
R S
04:37 03 Sep 21
Many thanks to Mikolaj and Ethan! Quick response! Ethon on time!Efficient and skillfull on the job. Friendly and honest. I do recommend their service. Thanks guys!
Andrzej Siedlecki
Andrzej Siedlecki
02:42 28 Aug 21
Thank you Ethan for your service today. It was really nice to work with you, I do appreciate your efforts. You been very generous.you have done the job incredibly and with amazing price.Thanks again for all your hard work.I wouldn’t hesitate to recommend you.Mohammad Kamal
Naznin Akther
Naznin Akther
12:19 27 Aug 21
Thank you Ethan for fixing our sewerage & pipes, you were so approachable & answered any questions we had on our hot water system, even though you were there to fix our sewerage. You went above & beyond lifting our water drains even though you were here again for our sewerage. Thankyou, you went above & beyond and Optimised plumbing are so lucky to have you. Also a shout out to Lachlan who was very informative at explaining & diagnosed the problem & explaining how to fix. We thank you both again. Awesome service, great honest hard working young men. Thank you Optimised Plumbing.
Libby Meacham
Libby Meacham
09:53 12 Aug 21
farai Mupedzi
farai Mupedzi
05:29 12 Aug 21
Great service. Mik went above and beyond to keep a problem small. Many thanks.
Janine Blagg
Janine Blagg
08:24 02 Aug 21
boris Du
boris Du
09:42 27 Jul 21
Had roots through sewer pipes which required replacing. Mick came out initially and found the problem on a Wednesday. Work to repair pipe was booked for Saturday. Offered to come out free of charge prior to work being done if we had any problems at all arising from the problem. Saturday came and as stated they arrived at 8am sharp. Didn't get the name of the man who came but he did the whole job himself. Then had Ethan come and replace kitchen and laundry taps (and a week later shower taps). Not sure how old any of them were but they were all young guys - polite, punctual and they knew their stuff. Couldn't fault the service or professionalism they displayed. Will definitely use them again if needed. Thank you 🙂
Judy West
Judy West
13:54 22 Jul 21
Mik came out the very next day and followed covid regs and fixed our blockage, explained everything all the way through and a detailed report at the end. Thanks for resolving our issue quickly and being polite and clear on the process.
Sarah Hind
Sarah Hind
11:23 22 Jul 21
Chau Nguyen
Chau Nguyen
03:21 16 Jul 21
This team isn't only prompt and excellent in the execution of the work, they are very nice people to meet and work with. The quality of the work was impressive, in particular, the attention to detail.
Eddy Furlong
Eddy Furlong
22:12 15 Jul 21
My elderly mothers taps were leaking. The team from optimised Plumbing were so respectful in the way they told her of the need to change the 70 year old bathroom taps- they undertook the job professionally - were very reasonable in costs and followed all the Covid distancing /mask rules. Couldn't be happier. Thanks
Kate Camac
Kate Camac
00:17 14 Jul 21
Good and fast services ,Rico came out and fix leaking pipe he is very nice and professional
Yee Man Law
Yee Man Law
06:46 03 Jul 21
Lachlan, John & Alex team came to replace my broken underground sewage piping with new one. They did a good job and finish on agreed time. They are friendly and explain to me the work required. When completed they remove all the rubbish and apply top soil to the damaged lawn area and add garden soil to my vegetable bed which happen to be on top of the sewage piping. I appreciate that, thanks.
Ngak Leng Tan
Ngak Leng Tan
04:51 26 May 21
Awesome plumbers, have been using them for years. Highly recommended!
Kyle Mad
Kyle Mad
09:45 10 May 21
I had a plumbing disaster last Saturday with Raw Sewage from a joint sewer line pumping into my courtyard & basement , it was a huge mess, I called Jack & Nick at Optimised Plumbing and they came on Saturday afternoon & they did not stop trying to jet clean the sewage until 9pm when they finally broke through but there was more blockage under the foot path on the side of my house. Many plumbers would have given up & said I will come back on Monday by these guys stayed & worked super in a messy situation.They then gave me a written quote for the rest of the work to be on Tuesday. They did everything they said they would on time on budget & they did a great job, the guys explained everything to me clearly & patiently. These are good people who care about their clients. I would never use a different plumberTodd
Vincent Ro
Vincent Ro
07:11 04 May 21
Loretta Rubic
Loretta Rubic
12:03 29 Apr 21

Frequently asked blocked drain questions!

A blocked drain is when there is a large build-up of heavy objects that are flushed down the drain and eventually cause a blockage that prevents water flow. These objects can be anything from sanitary products, hair, food waste. They can also be cause by other factors such as poor pipe installation, broken pipes and heavy rains.

This is largely dependent on what type of drain blockage it is. Some are minor and can be resolved easily, whereas other blocked drain will require the services of a professional plumbing. Some tips for minor blocked drain include: boiling water, toilet plungers, corrosive cleaners and bent close hangers. If you need a plumber to have a look, contact Optimised Plumbing Services today! We have also recently released an article on 8 tips for clearing a blocked drain!

The costs of unblocking drains can vary from job to job as all drains and blockages are different. Our blocked drain services start from $77 and to help identify your problem quicker, we offer a $0 call out fee during business hours only.

If there is a consistent bad smell in your drains then this is due to a blocked drain. This occurs when the debris (e.g soap, hand wipes, hair, food waste) starts to rot due because of bacteria. If it is only one drain that smells then this is usually a local blockage. However, if all the drains within your property smell then this is a sign of the main sewer line being blocked and an emergency plumber needs to be called!

If your toilet has a minor blockage then a standard flange toilet plunger for your toilet may be sufficient. It is important to specifically purchase a flange plunger and not a cup plunger that is for sinks. To block the toilet, remove as much water as possible, cover the toilet drain with the plunger and then push up and down. If you need a plumber for any toilet installation or repair, contact us today!

Drains will gurgle if there is a partial blockage inside your drain pipes and the gurgling sound creates bubbles as water trying to escape the blockage. If you hear repeated gurgling noises then you should contact your local plumber to have these issues resolved before they turn into major blockages and cost you more money.

If your toilet drains are blocked then this is usually a sign of the blockage being located there. This is the same for your kitchen. However, if all your drains are blocked then an emergency plumber should be immediately called as the blockage may be occurring within your sewer line.

Your drain is blocked as there has been a gradual build-up of debris over time that is preventing water flow. If left unattended, a blocked drain will damage your entire property's plumbing system and will start to smell due to the debris rotting. It is always recommended to seek immediate plumbing help to reduce the possibility of escalation. 

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