Drainage field repair and replacement across the UK
A drainage field — sometimes called a soakaway — works quietly underground, so when something goes wrong, the signs are often subtle at first:
- wet or soggy ground above your drainage field, even in dry weather
- slow-flushing toilets or gurgling drains
- a persistent smell near your drainage area
- unusually lush or fast-growing grass above the field
Drainage fields don't recover on their own. The longer a problem goes unaddressed, the more limited your repair options become.
The first step is always an inspection. We visit your property, examine your drainage field, and explain what we find in plain language. The next step might be a straightforward fix, a partial replacement, or something more significant.
How we diagnose and resolve your drainage field problem
Every drainage field problem is different, and the right course of action only becomes clear once we've seen your site.
Here's how the process works:
- One of our technicians visits your property and carries out a full inspection of your drainage field.
- We identify the issue and explain our recommendations in plain language.
- We give you a clear quote before any work begins.
- We carry out the repair or replacement and confirm that your off-mains system is functional before we leave.
Clear pricing for an uncertain situation
Drainage field repair and replacement costs vary more than almost any other off-mains service. That's because the range of possible outcomes is wide.
The table below gives a general sense of what different scenarios typically cost.
We'll always give you a clear quote before any physical work begins. That means no surprises, no obligation to proceed, and no pressure from us.
| Outcome | Typical cost |
| Inspection visit | £180 |
| Minor pipe repair or clearance | £650 |
| Partial drainage field replacement | £1,800 |
| Complete drainage field replacement | £3,000 |
| Full system upgrade | £8,000 to £15,000 |
More than just drainage field specialists
Whether your drainage field needs a minor repair or a full replacement, we have the expertise and experience to see the job through from start to finish.
When you trust us with your drainage field, you get:
- a UK-wide service network with 24/7 availability
- more than 50 years of off-mains drainage experience
- one team — from first inspection to a fully installed replacement, if needed
