Percolation Testing in Derby

Percolation Tests provides BRE365 soakaway percolation testing and foul infiltration testing across Derby and the surrounding area, supporting planning applications and off-mains drainage design.

Ground conditions in Derby

Derby sits at the meeting point of several geological zones — river gravel and alluvium along the Derwent valley, sandstone to the south, and heavier marl clay further out towards the surrounding countryside. This transitional geology means percolation rates can vary considerably depending on exactly where in or around the city a site sits, so a proper on-site BRE365 test is important rather than assuming results based on a nearby postcode.

What we test for

  • BRE365 percolation testing for surface water soakaway design
  • Foul effluent infiltration testing (Part H) for septic tanks and treatment plants
  • Drainage strategy support for planning submissions

Coverage

We test across Derby city centre, Allestree, Mickleover, Chaddesden, Spondon, and the surrounding villages. Available Monday to Friday.

Get a quote

Contact us for a free, no-obligation quote for percolation or infiltration testing anywhere in Derby. Call 01902 475653 or request a quote online.

Nearby areas we cover

Recent work near Derby

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Our completed jobs near Derby

Explore some of the percolation and infiltration testing sites we've completed in and around Derby.

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