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Drain Excavation in Exeter

Full digging and pipe replacement for badly damaged drains.

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Drain Excavation across Exeter

Drain excavation is the go-to fix for badly damaged drains that lining or a patch repair can't solve. When a pipe has fully collapsed, lost its shape, or suffered heavy damage over a long stretch, digging lets your engineer remove the failed section entirely and fit new pipework. They use mini-diggers, hand-dig tools, and shoring suited to the depth and ground type. This works across all soil types found in Exeter and the area, including clay, sand, rock, and mixed ground. Before any digging starts, your engineer uses the CCTV survey data to plan the dig precisely. This shows the exact spot and extent of the damage, so they dig only where they need to, keeping disruption low. New pipework meets current building rules, using the right materials and fall. Once the pipe is laid and tested, your engineer fills the trench back in, in firm layers, and puts the surface back to match — lawn, paving, tarmac, or concrete. Drain excavation typically takes one to three days, depending on the length of pipe, the depth, and the surface work needed.

Signs you need drain excavation help

✓ A CCTV survey has confirmed a complete pipe collapse or loss of pipe shape that cannot be relined
✓ There is visible subsidence or a sinkhole forming above a drainage route in your garden or driveway
✓ Sewage is leaking into the surrounding ground, causing contamination or persistent damp
✓ Previous relining or patch repairs have failed because the underlying pipe structure is too degraded
✓ You need to replace a section of pipe to accommodate a new connection for an extension or development

Our process

1.
Survey and Plan
We look at the CCTV footage to plan the dig precisely, since marking out the area and checking the pipe's depth first avoids surprises. You get a clear scope of work before we start.
2.
Excavation
We dig down carefully to the damaged pipe using the right kit for the spot, since a mini-digger suits open areas while hand tools work better near buildings. Shoring goes in where needed for safety.
3.
Pipe Replacement
The damaged section is removed and replaced with new pipe laid to the right fall, since correct fall is what keeps drainage flowing properly. It's joined to the existing pipes with sealed fittings.
4.
Backfill and Reinstatement
The trench is filled back in, in firm layers, since that stops it settling later. The surface is put back to match what was there, whether turf, paving, concrete, or tarmac.

Pricing guide

The cost of drain excavation depends on the depth, length, ground type, and the surface work needed afterwards. Request a fast, fixed-price quote after a CCTV check, so you know exactly what to expect. Since restoring the surface is part of the job, quotes include putting it back.

Drain Excavation — frequently asked questions

How long does drain excavation take?

A simple dig on a short section at a normal depth is usually done in one day. Since longer runs, deeper pipes, or tricky ground may take two to three days, ask for a realistic time frame before work starts.

Will excavation damage my garden or driveway?

Digging does mean opening a trench to reach the pipe. Since precise CCTV data keeps the trench as small as possible, and surfaces go back to match afterwards, most gardens and driveways look fully restored within a few weeks.

Is excavation the only option for a collapsed drain?

If the pipe has fully collapsed and lost its shape, digging is usually the only reliable fix. A partly collapsed pipe, however, may sometimes be relined instead, depending on how bad the damage is.

Helpful articles

CCTV Surveys

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Drain repair services Pipe relining CCTV drain surveys

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