Soakaway and Percolation
Reports by Castledine & Co
Soakaway and Percolation / Infiltration Testing
Percolation Testing (also known as a soakaway) is usually the starting point of a SuDS strategy. It is a common request when it comes to planning and is a vital procedure used to assess the rate at which water can infiltrate the soil. This test plays a pivotal role in various construction and land development projects, particularly those involving septic systems, stormwater management, and sustainable drainage solutions. Understanding a site's percolation characteristics is essential for informed decision-making and the successful implementation.
We can help by conducting certified soakaway and percolation testing to help you meet planning requirements, reduce surface water runoff, and implement effective drainage solutions.
The tests are carried out in line with BRE methodology, collecting accurate data and producing comprehensive reports for submission to building control or local authorities.
We pride ourselves on fast response times, competitive pricing, and clear communication throughout the process. Let our soakaway experts help you build smarter and more sustainably.
Importance of Soakaway
Understanding the mechanics of ground drainage is essential for any construction or landscaping project, which is why Soakaway and Percolation / Infiltration Testing serves as the backbone of sustainable surface water management. A soakaway is a sub-surface structure designed to collect runoff and allow it to gradually seep into the surrounding soil, preventing local flooding and reducing pressure on overtaxed sewer systems. However, its effectiveness is entirely dependent on the specific permeability of the ground.

