Drainage contractors · Berkhamsted, Hertfordshire
Specialist drainage for construction and commercial sites
Robotic cutting, no-dig pipe lining, CCTV surveys and excavation for contractors, developers and facilities teams. Domestic call-outs 24 hours a day.
- 24/7 call-outs
- No call-out charge
- Fully insured
- In-house H&S advisor
Our equipment
Our in-house equipment removes obstructions and repairs pipes from the inside, avoiding unnecessary excavation, cost and disruption on site.
IMS robotic cutting
Set concrete, rebar, roots and intruding joints milled out from inside the pipe. The slab stays where it is.
BlueLight LED lining
Structural no-dig repair. The liner is cured with LED light, so the drain is back in service fast.
HD CCTV & locating
Camera surveys, sonde tracing and a written PDF report for the client, the insurer or the file.
Commercial drainage
We work alongside main contractors, developers and facilities teams. RAMS, insurance certificates and CCTV reports supplied on request.
- New-build sites
- Concrete and debris in new drainage, pre-handover CCTV, new runs and chambers.
- Warehouses & industrial
- Yard gullies, blocked runs and damaged pipes under slabs and hardstanding.
- Facilities & housing
- Planned maintenance, RAMS on request and reports your team can file.
Blocked drain at home?
Our engineers attend domestic blockages 24 hours a day, with fixed-rate clearance and no call-out charge.
Our services
Robotic Cutting
Concrete, rebar, roots and intruding joints cut out from inside the pipe. No digging.
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BlueLight LED Lining
Structural no-dig pipe repair, cured with LED light in a fraction of the time.
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CCTV Surveys
HD camera inspection, drain tracing and a written report you can use.
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Excavation & Installation
Collapsed drain replacement and new drainage for extensions and new builds.
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Blocked Drains
Sinks, toilets, gullies and sewers cleared fast. 24/7, no call-out charge.
Find out moreNot sure what you need?
Describe the problem and we’ll advise on the right approach. Quotations are free.
Why use Treaty Drains
Every job is risk-assessed and overseen by our in-house Health & Safety Advisor, whether it’s on a public road or a private driveway.
- 24/7 emergency call-outs
- Trained engineers with specialist kit
- In-house Health & Safety Advisor
- Commercial and domestic work
- Free quotes and honest advice
- Fully insured
Customer reviews
★★★★★
Clearing blocked waste pipe in block of flats
“Shane came out at short notice and did an excellent job clearing a blocked waste pipe. Friendly, professional and his charge was reasonable for the work involved. Highly recommended.”
★★★★★
Fixing broken sewer pipes
“Shane did a great job. Fixed badly broken pipes under patio, then reinstated patio better than before. Hard working and pleasant to deal with.”
★★★★★
Awful smell from an external gully
“Shane is a magician. We had a really bad smell in our conservatory for a while. Shane identified the problem straight away and fixed it. Professional and amazing work.”
Areas we cover
Based in Berkhamsted, covering Hertfordshire, Buckinghamshire and the M25 corridor.
Speak to us
Our office line is staffed 24 hours a day. For project enquiries or emergency call-outs, call us directly or request a callback.
020 7101 4086office@treatydrains.com