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Fix SoonCommon in SepRecommended 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

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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

Drain Overflowing

Sewage or waste water spilling out of a drain, manhole, or inspection chamber, especially during heavy rain.

Tree Roots Blocking Drain

Tree roots have grown into the underground drain pipes, causing blockages and slow drainage.

Sewage Smell Outside House

A strong sewage or rotten-egg smell around the outside of the property, particularly near drains or manholes.

Other Drainage Specialist Problems

Sewage Smell Outside House

A strong sewage or rotten-egg smell around the outside of the property, particularly near drains or manholes.

Drain Overflowing

Sewage or waste water spilling out of a drain, manhole, or inspection chamber, especially during heavy rain.

Slow Draining Bath or Shower

Bath or shower water taking a long time to drain away, sometimes backing up around the plughole.

Gurgling Drains

Drains making gurgling or bubbling sounds when water runs out of sinks, baths, or toilets.

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?
Typical costs range from £358 to £1,231 depending on severity and location. Get a free quote from a local drainage specialist on Tradesfolk.
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