Domestic property in East Sussex
Wadhurst · East Sussex · Case study
Replacing a failing brick septic tankand blocked soakaway
The Victorian brick-built septic tank was in poor condition, while the blocked soakaway was causing a wet, flooded area in the garden.
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Installed below the old tank location
The published rating for the supplied treatment plant
Recorded in the original equipment specification
A poor-condition tank and blocked soakaway
The Victorian brick septic tank was allowing raw sewage into the surrounding ground. The blocked soakaway was also causing a wet, flooded area at the bottom of the garden.
A BIOROCK system below the old tank
A BIOROCK Monoblock 3-1000 was installed below the old tank location. The old septic tank was emptied and removed before the area was backfilled and landscaped.
Project details
The starting point
The Victorian brick septic tank was in poor condition, and the blocked soakaway was causing a wet, flooded area in the garden.
The solution
A BIOROCK Monoblock 3-1000 gravity-output treatment plant was positioned below the old tank location.
The work
The new treatment plant was installed, and the old brick septic tank was emptied and removed.
The result
The former tank area was backfilled and landscaped.
Project photographs
A view of the project from the original drainage problem through excavation, installation and reinstatement.





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