How much does it cost to install a sewage treatment plant?

The price of a sewage treatment plant itself will depend on the size of the treatment plant, but as a general rule of thumb you can use £1700-£3000 for a 6 person treatment plant, and £1900-£3500 for an 8 person treatment plant.

Fitting costs will depend on exactly what work needs to be done to fit it. If the system is replacing an old system the disposal of that system needs to be taken into account also. As does ground conditions which can seriously effect the price to fit it, especially in the event that there are high water tables.

As a rule of thumb, the average system costs between £7000-£9000 to install. (including the system). In some circumstances you may be able to claim against your insurances accidental damage policy. If you believe you are replacing the system because of damage that has occurred, then it is worth checking your policy to see if you have accidental damage included.

Running cost vary from system to system. Typically a service will cost around £120 and emptying will be about the same. This is a yearly cost.

Claims from suppliers and manufactures that their system is the cheapest to run or maintain should normally be disregarded. Systems Like the Solido 6 can be easily turned down and with a small, shallow container, are worth considering when looking to install a new system.


What’s next?

Sewage treatment plants can make a big difference to buildings that need more support than the mains can offer. However, it’s important that you get the right system for your budget and requirements.

  • If you want further advice, please feel free to contact us to on 01844 877030 discuss your needs.
  • Explore our extensive range of sewage treatment plants.
  • Alternatively, you can get in touch with us via one of the methods on our contact page.

Last Update: January 19, 2022  

December 4, 2018   24579    Sewage Treatment  
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