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Drain Surveys Before Buying a London Home: Why You Need One

Thinking of buying a house in London? Don't overlook what's underground.

When we are seeking out a new home to purchase, we tend to think of the big things — where it is, how much it costs, number of bedrooms, perhaps even the garden. But one of the most important checks could be overlooked: the drainage system.

In urban areas such as London, where buildings are 50, 100, or even 200 years old, concealed plumbing defects cost you a fortune. That's where a CCTV Drain Survey is a smart and reasonable step.

What is a CCTV Drain Survey?

A CCTV drain survey uses a small, waterproof camera to probe the state of pipes buried underground. It finds issues like:

  • Cracked or collapsed pipes
  • Tree root intrusion
  • Fat or scale build-up
  • Poor installation
  • Blockages that are about to cause big trouble

You get a video inspection, diagnostics, and (where necessary) repair recommendations — before you purchase the property.

Why It's Particularly Relevant in London

London's pipes are a combination of ancient clay pipes, Victorian brick, and modern PVC — a recipe for disaster. And with heavy foot traffic, congestion, and constant building works in the city, underground pipework can relocate, crack, or slump unexpectedly.

  • No surprise bills after purchase
  • Bargaining power with the vendor
  • Peace of mind that your new house will not be a money pit
How a Drain Survey Can Save You Thousands

Imagine settling into a new home only to discover water seeping back up in the kitchen or foul odors from the bathroom. One repair job at ground level can set you back £1,000 to £4,000 or more, depending on excavation or pipe replacement being needed.

With a pre-purchase drain survey, you can:

  • Get the seller to fix it
  • Negotiate the price of the sale
  • Avoid unexpected repair bills
  • Make an informed decision with no regrets
What Can You Expect from a Professional Drain Survey

Here at Marcel & Son, we offer professional CCTV drain surveys in London. This is what you can anticipate from us:

  • Same-day appointments available quickly
  • HD video recording of the drain system in entirety
  • Unjargonised, clear report with recommendations
  • No upselling and transparent pricing

Whether purchasing in Greenwich, Bexleyheath, Bromley, Dartford, or other parts of Greater London, we've got it covered.

Frequent Questions

Do mortgage lenders need a drain survey?
Not always, but more and more lenders now request them, especially on older buildings or those which have a proven history of drainage issues.

How long does the CCTV drain survey take?
Most surveys take 1–2 hours to conduct, and reports will be published within 24 hours.

Can I watch the survey?
Yes, quite a few buyers prefer to watch and see the inspection live.

Before you sign the dotted line, ensure that what's beneath your feet won't come back to haunt you.

Call Marcel & Son today to book your pre-purchase drain survey in London.

CCTV Drain Surveys vs. Trenchless Drain Repairs: What’s Best?

Dealing with mysterious drain smells, water backups, or slow-draining sinks? You’re not alone. Drainage problems are a common household nuisance — and if left unchecked, they can lead to structural issues and costly repairs.

Thankfully, modern drain technology has come a long way. Two key techniques dominate today’s solutions: CCTV drain surveys and trenchless drain repairs. But what exactly are they? When should you use them? And how do they compare? Let’s dig in.

What is a CCTV Drain Survey?

Imagine diagnosing your drain problems without digging up your garden. That’s what a CCTV drain survey does.

Using a high-definition waterproof camera, drain specialists inspect the inside of your drainage system. The camera captures real-time video, revealing everything from blockages and cracks to collapsed pipes and root intrusions.

Why Homeowners Use CCTV Surveys:
  • Frequent blockages or foul smells
  • Buying or selling a home (part of due diligence)
  • Planning a home extension or loft conversion
  • Preventive checks after flooding or heavy rainfall

You’ll typically receive a detailed video report, highlighting any faults and recommending next steps — all without breaking ground.

What is Trenchless Drain Repair?

If a CCTV survey reveals damage, the next step might be trenchless drain repair — a no-dig alternative to traditional excavation.

Trenchless repair allows professionals to fix broken or deteriorated pipes without digging trenches. Two common methods include:

  • Pipe Relining: A flexible liner coated in resin is inserted into the damaged pipe and cured in place, forming a new pipe within the old one.
  • Pipe Bursting: The old pipe is fractured as a new one is pulled through the same path.
When to Consider Trenchless Repair:
  • Pipes have cracked, shifted, or partially collapsed
  • Drain lines run under driveways, patios, or buildings
  • You want to avoid the cost and mess of excavation
Key Differences: CCTV vs. Trenchless Repair
Feature CCTV Drain Survey Trenchless Drain Repair
Purpose Diagnosis Fixing damaged pipes
Invasive? Non-invasive Minimal digging
Time Required 1–2 hours Half-day to full-day
Cost Range £150–£300 £800–£2,000+ depending on damage
Disruption None Very low

In essence: CCTV surveys tell you what’s wrong, and trenchless repairs fix it, without turning your garden into a construction site.

Which Should You Choose First?

The short answer? Start with a CCTV drain survey. It’s a cost-effective way to understand the health of your drains.

Only after a clear diagnosis should you consider repair options — trenchless or otherwise. This avoids unnecessary work and expense.

FAQs

Do I need a CCTV drain survey if I’m not seeing any major issues?
Yes, especially if you’re buying an older home or planning renovations. Think of it as a drain health check.

Can trenchless repair fix any pipe?
Not always. Pipes that have completely collapsed or are severely misshapen may still require excavation. A survey will confirm suitability.

Is trenchless repair permanent?
Yes. With proper installation, relined pipes can last over 50 years — longer than traditional PVC.

In Summary

Both CCTV drain surveys and trenchless repairs are essential tools in modern drainage care. They reduce disruption, save time, and eliminate guesswork.

For most homeowners, the journey starts with a CCTV drain survey — a small investment that can prevent big headaches.

Need Help with Your Drains?

If you're based in London or Kent, Marcel & Son offers CCTV surveys, trenchless pipe repairs, and emergency drain unblocking services with no call-out fees and transparent pricing.

CCTV drain survey in action

Marcel&son Drainage and Cleaning Services

Terms and Conditions

Introduction

Welcome to Marcel&son Drainage and Cleaning Services, a trusted family-run business providing top-quality drainage and cleaning solutions since 1990. By engaging with Marcel&son, you agree to adhere to the following terms and conditions. Please read them carefully before using our services.

Service Description

Marcel&son offers comprehensive drainage and cleaning services tailored to suit various premises, including homes, schools, churches, medical facilities, office buildings, and more. Our dedicated team of qualified engineers ensures prompt, reliable, and customized service delivery. We are committed to providing the highest standard of service, available 24 hours a day, 7 days a week.

Booking and Payment

To schedule a service, customers can contact our customer service team via phone, email, or our website. Upon request, we will provide a detailed quote based on the scope of work discussed. Payment is due upon completion of the service, unless alternative arrangements have been made and agreed upon in advance. We accept various payment methods, including cash, credit/debit cards, and bank transfers.

Cancelation and Rescheduling

If you need to cancel or reschedule a service appointment, please notify us at least 24 hours in advance. Failure to provide sufficient notice may result in a cancelation fee. Marcel&son reserves the right to reschedule appointments due to unforeseen circumstances such as weather conditions or equipment failure.

Scope of Service

Our team will perform the agreed-upon services using appropriate equipment and techniques. We aim to complete the work efficiently and effectively while minimizing disruption to your premises. Any additional work required beyond the agreed scope will be discussed with the customer, and a revised quote may be provided.

Liability

While Marcel&son takes all necessary precautions to ensure the safety of your premises and property, we cannot be held liable for any damages or losses incurred during the provision of our services. Customers are advised to remove any valuable or delicate items from the work area before our team arrives.

Customer Responsibilities

Customers are responsible for providing clear access to the areas requiring service. Please communicate any specific concerns or requirements you may have to our team. Ensure that pets or other obstructions are kept away from the work area during service provision.

Satisfaction Guarantee

Marcel&son is dedicated to customer satisfaction. If you are not entirely satisfied with our service, please contact us within 48 hours, and we will strive to address your concerns promptly and effectively.

Privacy Policy

Marcel&son respects the privacy of our customers and will only use personal information for the purpose of providing our services. We do not share customer information with third parties without consent.

Amendments

Marcel&son reserves the right to amend these terms and conditions at any time without prior notice. Any changes will be effective immediately upon posting on our website or other communication channels.