


If you’re building a new home or an extension you will need a drainage strategy as part of your planning application. Your drainage strategy is determined in a three-stage process:
Stage 1: Percolation test
Stage 2: Drainage calculations
Stage 3: Selecting the right solution for your project
Percolation Tests
Percolation testing is a common tool used in the UK which helps determine how quickly surface water drains through the soil.
The results of your percolation test will enable you to make informed decisions on what drainage system is suitable for your project, i.e. a soakaway, our Rain Activ or alternative solution.
Rainwater Harvesting Limited are currently offering the Micro Drainage calculations for Free!
The Micro Drainage calculations are required by your local authority to support the product selection for your sustainable drainage solution for your site.
