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Drainage System & Design Specialists Across London, Manchester & UK

Expert drainage design made simple.
Planning approval with confidence.
Nationwide service, on schedule.

Maximise your planning permission success - contact The Drainage Designers today for expert advice and a free consultation.

Get in touch

Why choose The Drainage Designers?

Big or small, we design it all! The Drainage Designers are your go-to experts for drainage design solutions for London, Manchester and the whole of the UK. Whether it’s a new build, an extension, or managing water on your property, we’ve got the skills and experience to make it happen.

We can handle everything from site visits and flood risk assessments to designing systems that get the green light from your local council. Our team works with homeowners, architects, and developers across the UK, tackling projects of all sizes with the same dedication and expertise.

Ready to get started? Let’s make your drainage project a success!

  • Trusted by architects, developers & homeowners

  • Full support from surveys to approvals

  • Tailored solutions for domestic & commercial projects

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Let us deal with your drainage

Digging dirt. Trackhoe in ditch helping to lay drainage pipe for new residential neighbor hood and highway

Drainage experts

The Drainage Designers bring years of experience to every drainage design project, ensuring quality and precision.

Architect plans and rolls used in construction

Step-by-step process

From discovery calls to final approvals, our methodical approach to drainage design ensures every detail is covered.

Excavator dig the trenches at a construction site. Trench for laying external sewer pipes. Sewage drainage system for a multi-story building. Civil infrastructure pipe, water lines and sanitary storm

Tailored business solutions

We specialise in drainage design for large-scale commercial projects.

Digging a trench for drains, UK building site. BUCKINGHAM, UK - December 02, 2016. Digger driver, digging a trench for drains on a UK building site

Drainage for your home

Our domestic drainage designs cater to new builds, renovations, and bespoke projects, so your home is in safe hands.

Surveyor works with theodolite. One surveyor worker working with theodolite transit equipment at construction site outdoors

Our drainage design services include:

  • Organising Site Surveys
  • Flood Risk Assessments
  • Surface Water Drainage Designs
  • Foul Sewer Designs
  • Drainage Layout Drawings
  • Approvals from Local Authority
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Our customer charter:

  • We will be straightforward, transparent and truthful at all times.
  • We are committed to fair representation, accurate reporting and adherence to ethical standards.
  • We will be fair and honest at all times.
  • We will provide accurate information about our services, avoiding deceptive practice and ensuring all parties understand the terms of agreements.
  • We will provide you with clear information about our services, pricing and any potential challenges we may face.
  • We will comply with all Local Authority and Lead Local Flood Authority rules and regulations, in order to maintain ethical business practices and legal compliance.
  • We will not invoice you for anything we haven't done.
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What our clients say about us

Shaf Ali

Google review

"Excellent company, very professional and great communication. Martin explained everything from the outset and delivered exactly as promised. Very impressed with the level of service and would highly recommend. I commend Martin for the very personalised tailored service provided with courtesy and on schedule as promised. Thank you Martin."

Let’s talk drainage design

Contact The Drainage Designers to discuss your London, Manchester, Liverpool or UK-wide project.