Guides & advice
Know your drains
What our engineers wish every London homeowner knew — about blocked drains, CCTV surveys, no-dig repair and the difference between a firm that digs and one that doesn't.
Technical Guides · 4 min read
The Real Cost of Cheap Drain Unblocking in London: A Technical Assessment
A cheap, one-off drain unblocking often masks deeper problems, leading to repeat callouts and higher long-term costs. We explain why a diagnostic CCTV survey is the only cost-effective starting point.
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Technical Guides · 3 min read
No Clear, No Charge: Our Diagnostic Approach to Drain Clearance Explained
Our 'No Clear, No Charge' policy means you only pay for a successful drain clearance, verified by our diagnostic CCTV survey. It's a commitment to transparency and results-based service.
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Technical Guides · 5 min read
How a CCTV Drain Survey Supports Your Insurance Claim: A Step-by-Step Guide
A professionally documented CCTV drain survey is crucial evidence for validating drainage-related insurance claims. We outline the step-by-step process from initial assessment to final report.
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Technical Guides · 4 min read
Identifying the Signs of a Blocked Drain at Home: A Diagnostic Guide
Recognising the early signs of a blocked drain is crucial for preventing major issues. This guide explains the diagnostic indicators and the role of a CCTV survey in providing documented evidence of the blockage.
Read guideTechnical Guides · 5 min read
How Drain Clearance Works: A Technical Guide to Methods Explained
Our engineers detail the core methods of professional drain clearance, explaining how we use CCTV surveys to diagnose blockages and select the most effective clearance technique.
Read guideTechnical Guides · 3 min read
What Causes a Blocked Drain? A CCTV Survey Analysis
A blocked drain is a symptom of a specific, identifiable problem. We explain the common causes, from fat accumulation to structural defects, and how a CCTV survey is essential for accurate diagnosis.
Read guideTechnical Guides · 5 min read
How to Unblock a Drain Yourself vs. When to Call a Professional
We compare DIY drain clearing methods with professional diagnosis using CCTV surveys, detailing when a simple fix is sufficient and when expert intervention is critical.
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Technical Guides · 4 min read
Fatbergs Explained: What They Are and How to Prevent One
A fatberg is a congealed mass of FOG (fats, oils, greases) and non-biodegradable waste that blocks sewers and drains. We explain their formation and how to prevent them.
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Diagnostic Guides · 4 min read
Why Is My Toilet Gurgling? A Diagnostic Guide
A gurgling toilet is a key symptom of negative air pressure in your drains, signalling a partial blockage or ventilation issue that requires investigation.
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Technical Guides · 3 min read
Slow Draining Sink: Common Causes & Diagnostic Investigation
A slow-draining sink is often a symptom of an underlying blockage or fault. This guide details the common causes and the diagnostic process required to identify the precise issue.
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Technical Guides · 4 min read
Tree Roots in Drains: How to Identify Them and the Correct Remedial Steps
Tree root intrusion is a common, progressive drain defect. This guide explains how we definitively diagnose it via CCTV survey, document the evidence, and outline the precise remedial options.
Read guideDrainage Diagnostics · 4 min read
What Is a CCTV Drain Survey and Do I Need One?
A CCTV drain survey is a precise diagnostic procedure that uses a remote-controlled camera to inspect and document the internal condition of your drainage system.
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Technical Guides · 5 min read
No-Dig Drain Repair vs Excavation: A CCTV Survey-Led Guide to the Right Choice
Choosing between no-dig repair and excavation requires a precise diagnosis. We detail how CCTV survey evidence guides this critical decision.
Read guideTechnical Guides · 4 min read
How Long Does Drain Relining Take? A CCTV-Led Procedural Breakdown
The duration of a drain relining project is dictated by the diagnostic findings from our CCTV survey. We outline the procedural stages and typical timeframes involved.
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Technical Guides · 4 min read
Cracked or Collapsed Manhole Covers: Diagnosis, Dangers & Documentation
A cracked or collapsed manhole cover is a critical warning sign requiring immediate action. We explain the procedural response, from hazard management to comprehensive CCTV diagnosis.
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Technical Guides · 3 min read
Soakaway Not Draining: Common Causes and How a CCTV Survey Provides the Answer
A soakaway failure is a drainage problem that demands precise diagnosis. We outline the common causes, from siltation to structural collapse, and explain why a CCTV survey is the only way to document the exact fault.
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Technical Guides · 4 min read
A Technical Septic Tank Maintenance Checklist for London Properties
Our technical checklist for septic tank maintenance prioritises systematic diagnosis and documented evidence, detailing key inspection points and the critical role of CCTV surveys.
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Technical Guides · 5 min read
Persistent Drain Smells: A Guide to Diagnosis & Evidence-Based Solutions
A foul drain smell is a diagnostic clue pointing to blockages, pipe damage, or ventilation issues. We explain the evidence-based process to identify the exact cause.
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Technical Guides · 4 min read
Shared Drain Blockage: Who is Responsible for Repairs?
Determining liability for a shared drain blockage hinges on a professional CCTV survey and documented evidence of the defect's location and cause.
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Technical Guides · 4 min read
Buying a House: Should You Get a Drain Survey?
A pre-purchase drain survey is a critical diagnostic check, using CCTV technology to reveal hidden defects and potential liabilities in a property's drainage system.
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Technical Guides · 4 min read
Landlord Drainage Responsibilities Explained: A Technical Guide
We explain the precise drainage responsibilities of landlords, focusing on how documented evidence from CCTV surveys establishes compliance and informs maintenance.
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Technical Guides · 5 min read
A Procedural Guide to Commercial Kitchen Grease Trap Maintenance
This procedural guide details the evidence-led maintenance and diagnostic inspection required for commercial kitchen grease traps to prevent blockages and compliance issues.
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Technical Guides · 4 min read
Winter Drain Problems: Identifying Frozen Pipes and Blockages
Winter presents distinct diagnostic challenges for drainage systems. We detail the procedural signs of frozen pipes and cold-weather blockages, and explain how a CCTV survey delivers definitive evidence for an accurate repair plan.
Read guideTechnical Guides · 3 min read
How Much Does a CCTV Drain Survey Cost? A Diagnostic Breakdown
A CCTV drain survey cost depends on access, drain length, and problem complexity. We explain our diagnostic process and the value of a documented survey.
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