Useful Guides & Advice
Underground Drainage
A beginners guide to inspection chambers.
Sewage Treatment.
Are you compliant with the regulations?
Flood Management.
How to carry out a percolation test for a soakaway crate.
Flood Management
How to install soakaway crates.
Why Cotterills?
We know drainage. It’s our area of expertise and we focus on service. Our aim is to deliver the right products to you, at the right time and at the right price.

Excellent Value
All our products are competitively priced. We aim to strike the right balance between price, functionality and longevity to give you the best value.

Top Rated Service
We've built up a reputation for delivering an excellent service. Our customers like us because we're friendly, professional and 100% reliable.

Expert Advice
Our team of experts are on hand via email or phone to provide you with advice, order updates or product assistance. We're always happy to help.







Need advice or a quote?
Our team of specialists are here to help. We install many of our products so can provide real-world advice. We can often suggest alternative brands that will achieve the same result and save you money.