In this video, we explain the key factors to consider when buying an inspection chamber. At Cotterill Civils, we have a wide variety of products to choose from to suit your drainage requirements.

When it comes to choosing the right inspection chamber for you, there’s a few key factors to consider.

What is an inspection chamber?

An inspection chamber is a product used in underground drainage systems to monitor potential blockages and generally to maintain the functionality of the system. Any kind of abnormalities can be detected by using the inspection chamber, which means that they can be addressed and resolved quickly and efficiently.

What should I consider?

The first thing to consider when choosing your inspection chamber is the material. Here at Cotterills, we supply both plastic and concrete chambers, in a variety of sizes. We supply concrete chambers for fully adoptable systems, as well as plastic for private drainage systems. Our industry experts can provide guidance and advice to help choose the most effective inspection chamber for your project.

What are the benefits of using a plastic inspection chamber?

Plastic inspection chambers are highly cost-effective. The HDPE plastic they are made from is cheaper than their concrete alternatives.
They’re also lightweight which makes them easy to handle onsite and easier to transport. This will also reduce the cost of labour, as the products can be easily lifted by one individual.
Our plastic inspection chambers are made from HDPE plastic which is a recyclable material, meaning the product can be recycled at the end of its lifespan. At Cotterills, we take sustainability seriously, and we are introducing more environmentally friendly products for your civil and drainage requirements.
Our inspection chambers are available in a wide variety of sizes, with a selection of inlet and outlet sizes to suit your drainage system’s specifications.


It’s important to consider the size of the inspection chamber required for your project. At Cotterills, we have a wide selection of sizes available, including 320mm, 450mm and 600mm including risers, covers and bases.

We also have chambers with different sized inlets and outlets, which can be tailored to your project. For advice, simply speak to one of our experts who can assist you in choosing the right sizes for your project.

We supply complete inspection chambers, equipped with risers and covers, as well as individual components.

Did you know we offer a free drawing take off service? Our team can help you calculate how many inspection chambers you might need, and which type will be best for you and your project requirements. This will save you time and money and the exact amount of products required can be calculated. We can also advise you on cost-effective alternatives.

For guidance and advice about the inspection chambers we stock, speak to one of our industry experts today on 0121 351 3230, or visit our website for details.

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