Those persistent puddles around your Streatham property aren't just an eyesore - they're undermining your foundations. French drains might be the century-old solution your soggy garden has been waiting for.
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Streatham's clay-heavy soil and sloping terrain create the perfect storm for water accumulation problems. Whether you're battling a waterlogged lawn near Streatham Common or dealing with driveway flooding on those steep hills around Furzedown, proper drainage transforms unusable outdoor spaces. Victorian properties throughout SW16 particularly struggle with outdated drainage that simply can't cope with modern rainfall patterns.
A French drain works by creating an underground channel filled with gravel and perforated piping that redirects water away from problem areas. The system relies on gravity and strategic placement to intercept groundwater before it reaches your property's foundations. Installation depth varies between 450mm and 1200mm depending on your specific water table issues and the severity of flooding you're experiencing.
Twenty years of digging through Streatham's challenging ground conditions has taught us exactly where water loves to hide. Local knowledge matters when you're navigating everything from old railway cuttings to forgotten Victorian soakaways.
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Most residential projects in SW16 and SW2 range from £85-120 per linear metre, though complex installations involving multiple levels or deep excavation can reach £150 per metre. A standard 15-metre system usually totals £1,275-£1,800.
Absolutely - from the period properties along Streatham High Road to the newer developments near Streatham Hill station. Regular work takes us through both SW16 and SW2 postcodes, including Streatham Common and Furzedown.
Most French drain systems take 2-4 days to install, with lawns typically settling within a fortnight. Driveways and paved areas can be used immediately after reinstatement.
Every French drain installation includes decade-long protection against defects in materials and workmanship. This covers the entire system including pipes, membranes, and aggregate layers - essentially everything we install below ground.
Clay soil actually makes French drains more effective as it prevents water dispersing naturally. The key is using the right aggregate size and ensuring proper gradient - typically 1:80 minimum for optimal flow in heavy London clay.
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