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Fix SoonCommon in JanRecommended trade: Drainage Specialist

Blocked Outside Drain

An external drain or manhole cover with standing water, overflowing, or draining very slowly.

What Is Causing This?

  • 1Fat, grease, and food waste solidifying in the pipe
  • 2Leaves and debris blocking the gully
  • 3Tree roots growing into and blocking the pipe

How Urgent Is This?

Fix Soon

This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.

What Needs to Be Done

A drainage specialist will rod or jet the drain to clear the blockage, check the pipe condition with a CCTV camera, and clear any root intrusion.

How Much Will It Cost?

£358 – £1,231

National average estimate

Labour: £283 – £913 | Materials: £75 – £318

Enter your postcode for a local price estimate

Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.

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How to Prevent This

Never pour cooking fat down the drain. Fit gully guards to catch leaves. Have drains jetted every few years as preventive maintenance.

Related Problems

Other Drainage Specialist Problems

Frequently Asked Questions

What causes blocked outside drain?
Fat, grease, and food waste solidifying in the pipe. Leaves and debris blocking the gully. Tree roots growing into and blocking the pipe.
Is blocked outside drain serious?
This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.
How much does it cost to fix blocked outside drain?
Our illustrative trade-wide planning range is £358 to £1,231 and is not a diagnosis-specific quote. The actual repair may fall outside this range. Get a free quote from a local drainage specialist on Tradesfolk.

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