Those narrow Victorian gardens in Colliers Wood deserve proper foundations. From waterlogged clay patches near the Wandle to uneven slopes backing onto the railway, groundwork sets everything right.
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Colliers Wood's mix of period properties and newer developments each bring unique challenges underground. Behind those terraced houses off Merton High Street, decades of settlement create dips and hollows. Modern estates near Tandem Centre often sit on former industrial land needing careful preparation. Proper groundworks solve drainage nightmares, level impossible slopes, and create solid bases for whatever comes next.
Clay soil dominates SW19, expanding when wet and shrinking during summer droughts. Strategic drainage channels prevent winter flooding while French drains handle surface water from neighbouring properties. Retaining walls turn unusable banks into tiered planting areas. Hardcore sub-bases beneath patios stop future sinking, particularly important given the area's high water table near Wandle Park.
Twenty-three years working between Mitcham and Wimbledon means knowing exactly where old Anderson shelters hide beneath lawns. Local connections with suppliers at Colliers Wood builders' merchants keep materials costs reasonable.
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Basic drainage and levelling runs £2,500-4,000 for typical Victorian plots. Retaining walls add £150-300 per linear metre depending on height. Full garden overhauls including patios average £8,000-15,000.
Absolutely - regular projects stretch from Tooting Broadway through to Wimbledon Chase. Know most streets between South Wimbledon tube and Mitcham's Cricket Green.
Allow 2-3 weeks for drainage and levelling, 4-6 weeks if including retaining structures. Weather and access through typical Colliers Wood side returns affect scheduling.
All retaining walls, drainage systems and base constructions carry decade-long protection against settlement or failure. Documentation provided for house sales or insurance purposes.
Definitely - combining surface grading with soakaway installation eliminates standing water. Perforated pipes beneath lawn areas channel excess toward properly positioned drainage points, keeping gardens usable year-round.
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