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Signs You May Require Drain Excavation

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  • Admin
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  • drain system, drainage repairs, drain excavation, drain installations, drain issues
  • Posted date:
  • 02-12-2024
Signs You May Require Drain Excavation

Persistent Blockages Despite Regular Cleaning

If you notice frequent blockages in your drainage system, even after plenty of cleaning, this is often a sign of an underlying issue that you or a professional must address. These blockages can be caused by structural issues like misaligned or damaged pipes, which restrict the flow of water and causes recurring build-ups. There are some circumstances where tree-roots have infiltrated the system or accumulated non-biodegradable materials which can cause repeated obstructions.  

Neglecting or ignoring these blockages can result in much more severe issues, for example, unpleasant odours, overflows, or water damage. A professional inspection uses advanced tools like CCTV surveys to detect the root of the cause and uncover the best course of action for repairs. 

Unpleasant Odours Coming from Drains

You may begin to notice an unpleasant odour emanating from your drains if there is a build-up or blockage inside your system. Such smells can be a product of grease, food debris, sludge, and soap scum accumulating in your pipes, and this creates an environment where bacteria can thrive and only grow more harmful. 

There are many instances where stagnant water that is trapped by dried-out traps or partial blockages in unused drains can often produce a foul odour. To address the issue, the drains must be thoroughly cleaned to remove any obstructions, and through doing so, it will restore the water flow. 

Frequent maintenance, such as flushing or jetting drains with mild cleaners and hot water, can help prevent foul odours. If any of these problems persist, this is often a sign of further issues, for example, a damaged pipe or sewer line, which would require professional intervention. By tackling unpleasant odours as quickly as you can for a more hygienic environment and the promise of fresh water. 

Visible Signs of Drain Damage or Cracks

Cracks or drain damage usually present more visible signs that need to be ignored. One more common indication is when water begins pooling around the drains or in areas where water should flow more freely. This can suggest a crack or blockage that causes water to escape and gather on the surface. Another sign is unusual patches of lush vegetation above where underground drains are located, and this can often be due to a drain leak that is aiding the surrounding soil to flourish. 

Structural issues like pavement or sinking ground, or even cracks in the walls where the affected drains are located, are another major sign of underlying issues. And again, the scent of unpleasant odours or slow drainage could indicate an internal damage or blockage that needs some attention. Be sure to keep an eye out for signs that can help you address issues as early as possible. 

Collapsed Drains Detected During CCTV Surveys

Collapsed drains can often be identified throughout CCTV drain surveys, which provide a complete inspection of your drainage systems. Professionals use specialised cameras, these surveys display the condition of the internal pipes, cracks, show blockages, or drain collapses that may not be visible on the surface. 

You'll find that many collapsed drains are a result of root intrusion, ground movement, or too much pressure on the pipework. When looking for signs of collapsed drains, you may search for sinkhole forming above the drainage lines, severe water back up or blockages. With a CCTV survey, these issues can be precisely discovered, which means professionals can perform targeted repairs and reduce the need for excavation. In diagnosing the problems early, CTTV surveys will help you prevent any further damage. 

When to Call a Professional for Drain Excavation

The most appropriate time to call for the help of a professional for drain excavation is when you have noticed severe drainage issues that cannot be resolved with standard repair techniques. Signs such as recurring flooding, persistent blockages, or evidence of collapsed drains often indicate a need for excavation. Professionals will first perform thorough CCTV has identified lots of damage, such as structural instability or cracks, then they may suggest drain excavation to reinforce or the replace any affected areas. 

Drain excavation may also be needed where the ground has moved or shifted, as this can cause misaligned pipes. Attempting to address such problems without any prior professional skill or knowledge can make the situation more complex, and lead to costly damage surrounding your property. With the help of a professional drainage team, you can make sure the work is carried our safely and efficiently. 


At Clenston Ltd, we provide our local customers with a wide range of drain repairs and installations. Our team carry out drain excavations and do all they can do get your drains back in the best condition.