Those narrow Victorian terraces in Penge present unique challenges when planning a shed foundation. Whether you're squeezing storage behind a terrace or maximising space in a larger plot near Crystal Palace Park, getting the base right matters.
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Penge gardens tend to surprise people - compact courtyards off the High Street, sloping plots near Anerley station, and those unexpectedly spacious gardens backing onto the allotments. Each requires a different approach to shed foundations. Local clay soil conditions, particularly near the railway cuttings, demand proper preparation to prevent seasonal movement affecting your structure.
Ground preparation starts with addressing Penge's notorious London clay, which expands and contracts dramatically through the seasons. A properly constructed sub-base incorporating MOT Type 1 aggregate creates stability, while membrane barriers prevent weed growth and moisture penetration. Concrete pours need specific mix ratios to handle freeze-thaw cycles, whilst eco-grid systems offer sustainable drainage for properties prone to waterlogging near Betts Park.
Twenty years working across SE20 means knowing which suppliers deliver promptly to those tricky access roads off Maple Road. Local knowledge counts when navigating narrow Victorian alleyways with wheelbarrows full of aggregate.
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Standard 8x6ft concrete bases run £350-450, though sloping gardens near the railway may need additional groundwork. Eco-grid installations start around £280, with paving slab options from £400 depending on access difficulties common to SE20's older properties.
Absolutely - SE20's mix of Victorian terraces and 1930s semis creates interesting access challenges. From Croydon Road's narrow passages to Kent House's generous plots, each site gets assessed individually.
Most installations finish within 1-2 days, weather permitting. Concrete needs 48 hours minimum curing time before shed assembly, though damp autumn conditions near the park may extend this slightly.
Every installation includes decade-long structural warranty covering settlement and movement issues. This specifically addresses SE20's clay soil challenges, with documented installation methods and materials used for your records.
Bespoke dimensions aren't a problem - many Penge gardens need creative solutions. Whether matching an existing patio level or working around mature trees common in older SE20 properties, bases get tailored to your exact requirements.
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