Drain Overflowing
Sewage or waste water spilling out of a drain, manhole, or inspection chamber, especially during heavy rain.
What Is Causing This?
- 1Complete blockage in the main drain run
- 2Combined sewer system overwhelmed by rainwater
- 3Collapsed pipe section restricting flow
How Urgent Is This?
This needs prompt attention. Delaying could cause further damage, safety risks, or significantly higher repair costs.
What Needs to Be Done
A drainage specialist will urgently clear the blockage by rodding or jetting, then CCTV survey the pipe to check for collapse or other defects that need repair.
How Much Will It Cost?
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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Ask a QuestionHow to Prevent This
Keep drains clear by avoiding flushing wipes, fat, or food waste. Have regular drain maintenance. Report persistent overflows to the water company if the blockage is beyond your boundary.
Related Problems
An external drain or manhole cover with standing water, overflowing, or draining very slowly.
An underground drain pipe that has broken, collapsed, or caved in, causing persistent blockages or sinkholes.
A strong sewage or rotten-egg smell around the outside of the property, particularly near drains or manholes.
Other Drainage Specialist Problems
An external drain or manhole cover with standing water, overflowing, or draining very slowly.
A strong sewage or rotten-egg smell around the outside of the property, particularly near drains or manholes.
Bath or shower water taking a long time to drain away, sometimes backing up around the plughole.
Drains making gurgling or bubbling sounds when water runs out of sinks, baths, or toilets.