Potentially the most damaging water leak of all, due to the constant pressure and high volume of water involved, mains pipe leaks can occur both externally and inside a property. Externally would mean between the water metre and the internal stopcock. There are numerous signs and symptoms that you have a water mains leak, including but not limited to

• Very High, or a Dramatic Increase in Water Bills
• Water meter constantly spinning
• Subsidence
• A damp smell or Odor
• Low water pressure
• Surface water
• The sound of continually flowing water, or a dripping tap sound
  
  

The reality is that any leak should be dealt with as a matter of priority, but mains leaks have the potential to cause catastrophic damage very quickly. Our advice would be to contact a specialist leak detection company immediately if you have any suspicions or concerns that your property has a water mains leak.