
Drain Unblocking
Available 24/7. We clear blocked drains, sinks, toilets and gullies on the first visit in the vast majority of cases.
Find out more
The biggest worry for many St Albans homeowners facing a damaged drain is the cost and disruption of excavation.
Structural Drain Lining: This advanced technique creates a brand new, seamless, and super-strong pipe within your existing one, sealing all cracks and joints.
For a single, specific fault (like one crack or displaced joint), we can apply a targeted patch repair, which is fast and highly cost-effective.
CCTV Diagnostic & Assessment: We always start with a full diagnostic CCTV survey.
This is our preferred and most common solution.
If your problem is a single, isolated fault (like one cracked joint or small hole), we can apply a targeted 'patch' repair.
When a drain is completely collapsed or too damaged for relining, excavation is the only option.
We provide detailed, easy-to-understand reports .
Our engineers are fully trained specialists in CCTV drainage diagnostics.
We giving you a clear, factual assessment of your drains, ensuring you have the information you need.
Tell us the town and the symptom. We will give you a realistic arrival window and a price that will not change on the doorstep.
" 247 provided exceptional service when we were facing a major issue at our restaurant. We had a serious leak that was causing significant problems, and their team quickly identified and resolved it with absolute professionalism. ”
"Excellent service very professional company from start to finish would not hesitate to recommend this company to family and friends"
"Prompt response. Professional & knowledgeable engineers. I have recommended this company to my family."

Available 24/7. We clear blocked drains, sinks, toilets and gullies on the first visit in the vast majority of cases.
Find out more
High-resolution inspections that identify structural problems, repeated blockages and hidden defects — with a report you can act on.
Find out more
Patch lining, full relining and excavation repairs for cracked, collapsed or deteriorated pipework.
Find out more
Accurate mapping of underground drainage for planning applications, extensions and compliance checks.
Find out more
High-pressure water jetting that scours fat, silt and scale from the pipe wall.
Find out more
Vacuum tanker deployment for emptying, interceptors, and jobs too large for a van-mounted unit.
Find out moreSame-day drainage work across Hertfordshire and north west London.
Local engineers, a fixed price before we start, and a real person on the phone 24 hours a day.
The 2026 company brochure: the services, the area we cover, and how a visit works. Handy to send on to an architect, a builder or a buyer.