Services

Drainage Services

End-to-end drainage solutions. Planned, reactive and tailored to your space.

Services overview
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Nationwide Coverage

24/7 Response Teams

Self Delivery

Established 1971

How We Help

Drainage management to keep you flowing – and your compliance covered.

Drainage problems don't announce themselves. They build quietly, and when they surface, they're disruptive, costly and often avoidable. The right drainage partner doesn't just respond to problems – they help you get ahead of them. We provide a complete drainage service, available as a standalone solution or as part of a fully integrated hard FM package. Bringing the same technical expertise and personal approach to drainage that we do to everything we deliver.

Whether you manage a single site or a national portfolio, we can build a drainage solution around your specific needs. Keeping your systems compliant, your sites clean, and your operations running without interruption.

Person adjusting a pressure gauge connected to a metal tank with a clear plastic hose.Rainwater retention pond with plants in a parking lot surrounded by trees and cars under cloudy sky.Drainage clearing
What we offer

Drainage Management Services

A comprehensive range of drainage services to commercial, industrial, and public sector clients across the UK.

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Sustainable Drainage Solutions (SuDS)

Managing water the smarter, more sustainable way.
Sustainable Drainage Solutions replicate natural drainage systems to manage surface water runoff responsibly, reducing flood risk, protecting the environment and supporting long-term site sustainability. If your site has SuDS in place, or you're looking to implement them, we have the expertise to keep them performing as they should.

We manage and maintain a full range of SuDS including permeable paving, green roofs, rain gardens, bioretention basins, swales, constructed wetlands, filter strips, sustainable urban drainage ponds and rainwater harvesting systems. 
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Vacuum Tanking and environmental disposal

Restoring your environment, removing waste, disposing sustainably
We operate a dedicated fleet of high-capacity vacuum tankers and combination jet vac units. Our focus? To remove blockages and high volumes and dispose of them with sustainable and environmental efficiency.

Delivering responsive and technically capable drainage solutions across commercial and industrial environments equipped with high-pressure water jetting systems and vacuum recovery capabilities, our fleet is able to undertake blockage clearance, desilting, interceptor cleaning, gully and culvert maintenance, tanker waste removal, and deep-line cleansing safely and efficiently. 
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Drain & Pipe Repairs

Getting your drainage system back to full health.
Damaged or deteriorating drains and pipes don't get better on their own. Our engineers use a range of proven repair techniques to restore full functionality, quickly, effectively and with minimal disruption to your site. Whatever the scale or complexity of the issue, we'll find the right solution.

Our repair capabilities include patch repairs, pipe relining, cured-in-place pipe (CIPP) lining, quick lock repair systems, pitch fibre pipe re-rounding, robotic and mechanical cutting, root removal, high-pressure water jetting, pipe bursting, pipe joint sealing and full excavation and replacement where required.
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Unblocking & Cleaning

Clearing blockages. Restoring flow. Fast.
Blocked drains are one of the most common, and most avoidable, causes of site disruption. Our engineers respond quickly, diagnose accurately, and deploy the right equipment to clear the blockage and restore proper water flow. We'll match the right unblocking solution to your site's specific requirements, and our planned preventative maintenance programmes help make sure blockages don't become a recurring problem.

Our unblocking solutions include high-volume jetting and vacuum combi units, tankering, drain rodding, CCTV-guided unblocking, drain snaking, rotary nozzle jetting, enzyme and chemical cleaners, and air burst systems. 
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Drainage & Sewer Mapping

Know exactly what's underground.
You can't manage what you can't see. Our accurate drainage and sewer mappings gives you a clear, detailed picture of your underground network, invaluable for maintenance planning, infrastructure management and avoiding costly surprises. The result is a comprehensive, accessible record of your drainage infrastructure, ready when you need it.

Our document drainage systems include the use of digital mapping with GIS, CAD, GPS surveys, LiDAR technology, underwater sonar surveys, remote sensing via satellite and aerial photography, 3D modelling, interactive web-based mapping and as-built surveys.
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Person wearing a white safety helmet and orange high-visibility jacket monitoring two computer screens showing CCTV footage of a drainage pipe and a schematic diagram inside a control room.

CCTV Surveys

See what's really going on inside your drains.
CCTV surveys are one of the most effective tools in drainage management, giving you a clear, non-invasive view of the condition of your pipes and drains without the need for excavation. It's a proactive, cost-effective way to stay ahead of drainage issues before they become serious problems.

Our camera-equipped engineers can identify blockages, assess structural integrity, detect infiltration and exfiltration leaks, investigate cross-contamination and pollution risks, support environmental impact assessments, and provide the evidence base for targeted maintenance and compliance planning.
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Surface Cleaning

Clean surfaces. Clear drains. Better environments.
Outdoor surfaces accumulate debris, dirt, grease and pollutants that – left untreated – find their way into drainage systems and cause blockages. Our surface cleaning service keeps your external areas clean, safe and presentable while protecting the drainage systems beneath them. A cleaner surface means a healthier drainage system – and a better impression for everyone who visits your site.

Our surface cleaning solutions include high-pressure water jetting, mechanical sweeping, vacuuming, mechanised scrubbing, surface oil and grease removal, graffiti removal, chemical cleaning, litter removal and trapping, and environmental cleaning solutions.
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Thermatic in numbers

1971

Company established.

90%

Self-delivered services.

13k

Priority callouts in 2025.

24/7

Response teams.

100%

UK Coverage.

Who We Support

Drainage services tailored to your sector

We have a proven track record delivering exceptional drainage services across a wide range of environments.

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Industrial Estates & Water Authorities

Industrial sites generate significant surface water and drainage challenges, including interceptors, pump maintenance and environmental compliance. We have the specialist expertise to manage complex drainage requirements in demanding environments.
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Retail

High footfall, large car parks and complex drainage networks make retail sites particularly vulnerable to surface water issues and blockages. We provide planned and reactive drainage support that keeps retail environments clean, compliant and operational, with minimal disruption to trading.
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Healthcare

Drainage compliance in healthcare settings is non-negotiable. We understand the stringent hygiene, infection control and regulatory standards that apply, and we deliver drainage services that meet them, every time.
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Student Accommodation (PBSA)

With high occupancy and year-round demand, PBSA sites need drainage that works reliably and is maintained proactively. We provide planned programmes and rapid response support that keep student accommodation safe, hygienic and compliant.
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Local Authorities & Public Sector

From council-managed estates to public infrastructure, we support local authorities with drainage solutions that are technically excellent, fully documented and built to withstand regulatory scrutiny.
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Why Thermatic

Drainage done properly. By people who care.

Just a couple of reasons businesses choose Thermatic.

A complete drainage solution

From CCTV surveys and sewer mapping to emergency unblocking and sustainable drainage management, we cover every aspect of drainage, so you don't have to manage multiple contractors.

Standalone or integrated

Our drainage service works on its own or as part of a wider Technical FM package. Either way, you get the same quality of service and the same dedicated team behind it.

Proactive, not just reactive

We don't wait for things to go wrong. Our planned maintenance programmes and regular CCTV surveys keep your drainage systems in good health, and help you avoid the disruption and cost of emergency call-outs.

Always on, always there

24/7 365 days a year. Four-hour response and a helpdesk that answers. When something needs urgent attention, we're there, quickly, calmly and ready to sort it.

Sustainability built in

From SuDS management to environmentally responsible cleaning solutions, we help you manage water and drainage in a way that's better for your site and better for the environment.

Full documentation as standard

Every survey, every repair, every maintenance visit is fully documented. You'll always have the records you need for compliance, planning and peace of mind.

FAQs

Got questions about drainage? We've got answers.

Drainage can feel like a complex world, but the right information makes all the difference. We've pulled together the questions our clients ask us most, and answered them clearly, honestly and without the jargon.

What drainage services do you provide?

We offer a full drainage service, from routine maintenance and CCTV surveys to emergency clearances, repairs, and full remediation works. Whether it's a blocked drain or a more complex infrastructure issue, we've got it covered.

How do I know if I need a drainage survey?

If you're experiencing slow drainage, recurring blockages, or unpleasant odours, it's worth getting a survey done. We use CCTV cameras to inspect drainage systems thoroughly, giving you a clear picture of what's going on underground, and what, if anything, needs attention.

Do you offer emergency call-outs?

Yes. Drainage problems don't keep office hours, and neither do we. If you have an urgent issue, we'll get to you quickly and deal with it properly.

Who do you typically work with?

Our drainage clients include facilities and maintenance managers, building surveyors, housing associations, councils, industrial estates, and water authorities. Wherever there's a drainage system that needs professional attention, we can help.

Is your drainage work compliant with regulations?

Absolutely. We work in line with all relevant industry standards and regulations, and we keep detailed records of everything we do, so you're always covered.

Can you handle large-scale or complex drainage projects?

Yes. Our teams have experience across a wide range of sites and project scales. From routine maintenance contracts to significant infrastructure remediation, we approach every job with the same level of care and attention to detail.

Will the work cause much disruption?

We always aim to minimise disruption to your site and the people on it. We plan carefully, communicate clearly, and get the job done as efficiently as possible.

Still have questions?

Have a question that's not listed? Contact our team for assistance.

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