Those grand Victorian villas around Wimbledon Village didn't build themselves on hope alone. Solid groundworks form the backbone of every property from Parkside to Raynes Park, whether you're extending that period home or sorting decades-old drainage issues.
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Wimbledon's clay soil presents particular challenges that locals know all too well. Properties built on the slopes near the Common often face subsidence concerns, whilst those charming Edwardian terraces in South Wimbledon frequently need their original foundations strengthened. Having worked beneath hundreds of SW19 and SW20 properties, we've encountered everything from ancient brick soakaways to Victorian coal cellars that complicate modern extension plans.
Groundworks encompass far more than simply digging holes. Proper site preparation involves soil analysis, calculating load distributions, installing appropriate membrane barriers, and ensuring correct drainage gradients. Many Wimbledon properties sit on London clay that expands and contracts seasonally, requiring specific foundation designs. Additionally, Tree Preservation Orders around the Village mean root protection zones must be carefully navigated when excavating near mature specimens.
Twenty years digging beneath Wimbledon's streets has taught us which areas flood during heavy rain and where old brook courses still influence ground conditions. Local knowledge matters when your neighbour's basement conversion depends on shared party wall stability.
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A standard driveway excavation and preparation runs £3,000-£5,000, whilst foundation work for a rear extension typically ranges £8,000-£15,000. These figures vary considerably based on access constraints and soil conditions specific to your plot.
Absolutely - from the heights of Wimbledon Village down through SW19's residential streets to the busier areas of South Wimbledon in SW20. We also cover neighbouring Raynes Park and surrounding districts.
Foundation preparation typically requires 5-10 working days, though discovering unexpected obstacles like old wells or unrecorded services can extend this. Weather also plays its part, especially during wet winters.
All structural groundworks carry a decade-long guarantee covering settlement, water ingress and structural integrity. This protection transfers to new property owners, providing peace of mind for future sales.
Certainly - we regularly install pile-and-beam foundations that avoid major root systems. We'll liaise with Merton Council's tree officers where necessary and ensure all work complies with BS5837 root protection guidelines.
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