Drainage Modifications Belper

Professional drainage alterations for extensions, developments and property upgrades

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Have an emergency?

Whether you’re planning a home extension, converting a garage, or upgrading your drainage layout, we provide expert drainage modifications tailored to your project.

Plan with Confidence and Get It Done Right First Time

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Designed to Support Your Build

If you’re altering the footprint of your property, the existing drains might need diverting or upgrading. We’ll help you identify what changes are needed and carry out the work to building control and water authority standards — ensuring your plans aren’t held up.

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Avoid Future Issues with a Fully Compliant System

Poor drainage planning can lead to blockages, flooding or costly rework. Our team ensures all pipework, connections and manholes are modified correctly, using durable materials and expert methods to protect your property and the environment.

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Tailored for Domestic or Commercial Projects

From small-scale extensions to major site developments, we’ve worked on a wide range of drainage modification projects. We’ll work with you, your architect or contractor to deliver a solution that’s efficient, practical and built to last.

Our Drainage Modification Guarantee

All modification work is carried out by trained professionals and fully complies with building regulations and water authority guidelines. We offer a 12-month workmanship guarantee and clear, fixed-price quotes for every job — so there are no surprises.

As a local, independent contractor based in Belper, we take pride in delivering honest, high-quality service throughout Derbyshire, Nottinghamshire, and surrounding areas.

Get a free quote

Why we’re the drainage experts you can trust!

With over 25 years of experience, B&N Utilities has earned a reputation as one of the Midlands’ most trusted drainage experts. Based in Belper, we work with homeowners, landlords, businesses, and construction firms to deliver fast, effective drainage solutions across Derbyshire, Nottinghamshire and beyond.

Our highly-trained engineers are skilled across every service area, allowing us to quickly identify and resolve even the most complex drainage problems. Whether it’s a blocked drain, a collapsed pipe, or a survey for a property purchase, we bring expertise, reliability, and clear communication to every job.

When you choose B&N Utilities, you’re choosing a contractor that shows up when they say they will, delivers high-quality work, and goes the extra mile to exceed expectations.

Thank you, B&N Utilities!

“Ben and his colleagues were friendly, efficient, diligent and professional. Contact and communication was good; appointments were kept; work was completed fully, and then some. Happy to recommend to anyone.”

Jenny Hurd

I would highly recommend

“CCTV build over report. Really helpful, excellent service. Very quick turnaround (All complete within the week of me ringing)”

Robbie Shepherd

Great service, highly professional

“Great service, highly professional in their work and lovely guys to chat to. I really appreciated the honest feedback and advice, obviously really knowledgeable about their trade. Highly recommended and would definitely use again”

Laura B

Drainage Modifications FAQs

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Why would I need to modify my drainage system?

Modifications are often needed when extending a property, building over existing drains, or upgrading old pipework to meet modern standards.

Do I need permission to alter drains?

Yes — if you’re building over or near public sewers, you’ll likely need water authority approval. We can assist with planning, surveys and applications.

Will my new drainage layout be compliant?

Absolutely. We carry out all modifications to the latest building regulations and WRC standards to ensure full compliance and long-term reliability.

Can you work alongside my builder or architect?

Yes — we regularly coordinate with builders, project managers and designers to deliver seamless drainage solutions as part of wider building work.

What areas do you cover?

We’re based in Belper and cover the wider Derbyshire and Nottinghamshire regions, including Derby, Mansfield, and Nottingham.