Why Blocked External Drains Are a Growing Concern in 2025
In recent years, the South Coast—including Southampton and Gillingham—has experienced increased rainfall, heavier storms, and ageing drainage infrastructure. This has led to a rise in reports of blocked drains, overflowing gutters, and flooded driveways.
According to Southern Water, one of the leading water suppliers in the region, fats, oils, grease, wet wipes, and tree roots are among the most common causes of blockages in external drains.
Ignoring a blocked drain isn’t just inconvenient—it can lead to costly damage, health risks, and legal liabilities, particularly for businesses. That’s why it’s vital to understand how to tackle these issues effectively.
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