Those sloping gardens typical of SE20's hillside terrain need properly engineered concrete bases. From compact shed pads squeezed behind Victorian terraces to substantial garage foundations, getting the groundwork right matters in Penge's varied landscape.
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Penge's mix of housing throws up interesting foundation challenges - narrow access paths between terraced properties, clay-heavy soil that shifts with the seasons, and those awkward corners where nothing seems quite level. A properly laid concrete base transforms unstable ground into something you can build on with confidence. Whether it's supporting a new workshop at the bottom of your garden or creating a level platform for that long-overdue garage extension, the right foundation makes all the difference.
Getting concrete to cure correctly in South London's unpredictable weather requires timing and technique. First comes excavation to the correct depth - typically 150mm for lighter structures, deeper for anything substantial. Sharp sand forms the sub-base, compacted until solid, followed by a damp-proof membrane to prevent moisture creeping upward. The concrete mix itself needs calculating based on load requirements, with steel mesh reinforcement positioned precisely before pouring.
Twenty years working around Penge means knowing which suppliers deliver on time to SE20, understanding local planning quirks, and having the right equipment for those tricky rear-access jobs common in Anerley Road's older properties. Local knowledge counts when you're manoeuvring concrete mixers through Crystal Palace's narrow Victorian streets.
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A standard 3x2 metre shed base runs £400-600, while a single garage foundation typically falls between £1,200-1,800. Prices vary with access difficulty and ground conditions - those steep gardens near Crystal Palace Park often need extra preparation work.
Absolutely - from the conservation areas near Penge East station to the newer developments towards Beckenham, we work across all of SE20. Regular projects include properties along Croydon Road, the residential streets off Anerley Hill, and the varied housing around Betts Park.
Initial setting happens within 24-48 hours, but full strength develops over 28 days. Light structures like sheds can usually go up after a week, though heavier buildings need the full curing period. Weather plays a part - those damp Penge winters can extend timelines slightly.
Each base carries decade-long protection against structural failure, settlement issues, and weather-related deterioration. This covers the entire installation - from sub-base preparation through to the finished surface. Documentation provided meets building control requirements common in Bromley borough.
Restricted access is standard for Penge's Victorian properties. We use wheelbarrows for concrete transport through narrow side returns, mixing on-site when vehicle access isn't possible. Those typical 2-foot-wide passages between terraced houses? We've navigated hundreds of them across SE20.
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