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If you’ve recently discovered that your property has pitch fibre drains, you’re not alone—and you might be wondering if relining them is a viable option. Good news: in many cases, pitch fibre drains can be relined. But, like most drainage solutions, there are pros, cons, and costs to consider.
In this post, we’ll break down everything you need to know in a friendly, no-nonsense way. Let’s get started!
Pitch fibre pipes were commonly used in the UK from the 1950s through to the 1970s. Made from a mix of wood cellulose and coal tar pitch, they were lightweight, easy to transport, and cost-effective. At the time, they seemed like a revolutionary alternative to clay and concrete piping.
Unfortunately, time hasn’t been kind to these pipes. While they were fine for a few decades, most pitch fibre drains are now well past their prime.
Contact our TeamHere’s where things get messy. Pitch fibre pipes are prone to a range of issues:
Delamination: Layers of the pipe separate internally, reducing flow efficiency.
Blistering: Bulges or bubbles form, which can trap debris and lead to blockages.
Collapse: The structure weakens and caves in, often without much warning.
Tree root intrusion: Because the pipes are soft, roots can easily push through.
If you’ve experienced slow drainage, recurring blockages, or even collapsed pipes, and you’ve been told pitch fibre is to blame—relax, you’re not doomed. You may not need a full excavation.
Get in TouchYes, in many cases, pitch fibre drains can be relined using modern no-dig techniques.
Drain relining involves inserting a resin-impregnated liner into the existing pipe, which is then cured in place (CIPP). This creates a new, tough inner layer that essentially forms a new pipe within the old one—without having to dig up your garden, driveway, or patio.
Relining is a popular solution because it’s:
Minimally disruptive
Quicker than full replacement
Cost-effective
Environmentally friendly
But—it’s not always suitable. If the pitch fibre pipe has fully collapsed or has severe deformation, relining may not work, and full replacement could be necessary.
Get in TouchNo digging required – Avoids costly and messy excavation.
Quick turnaround – Most jobs can be completed within a day.
Strengthens existing pipework – The new lining adds durability and extends life expectancy.
Cost-effective – Often cheaper than replacement.
Minimal disruption to your home or garden – No upheaval of landscaping, patios, or driveways.
Not suitable for all damage – Fully collapsed or severely misshapen pipes might need replacing.
Potential for future issues – Relining doesn’t remove the old pipe, so extreme deterioration may still cause trouble over time.
Cost varies by condition – If access is difficult or pipes are hard to navigate, the price can climb.
Let’s talk money. Relining costs in the UK typically range from £80 to £150 per metre, depending on several factors:
Extent of the damage
Pipe diameter
Ease of access
Length of pipe needing repair
Whether CCTV surveys or jetting are required beforehand
For an average UK property, you might expect a total cost between £800 and £2,000. This is often significantly cheaper than full excavation and pipe replacement, which can range from £3,000 to £10,000+.
Book in TodayPitch fibre has become a bit of a dirty word in UK plumbing—but they’re not the end of the world. Thanks to trenchless technology, many of these outdated systems can be relined quickly and affordably.
The key is getting a professional assessment. That’s where we come in.
At Pro Blocked Drains, we’ve helped hundreds of homeowners across the South Coast solve their pitch fibre drain problems with cost-effective relining solutions.
Our expert engineers will carry out a CCTV survey, talk you through your options, and offer honest advice with no hidden costs.
Get in touch today to book your inspection and see if relining is right for you!