Those characterful Chislehurst gardens with their mature trees and undulating terrain need proper groundwork before any shed goes up. A professionally laid base prevents that frustrating lean developing after the first winter rains.
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BR7's mix of Victorian villas and post-war housing means garden layouts vary wildly – from compact courtyards behind terraced properties to sprawling lawns surrounding detached homes near Chislehurst Common. Each plot presents unique challenges when creating level platforms for outbuildings. Clay soil movement, tree root protection zones, and natural slopes all factor into getting your shed foundation spot-on.
Concrete bases suit heavier workshops whilst eco-friendly permeable options work brilliantly for lightweight summer houses. Depth depends on ground conditions – typically 100mm for stable areas, deeper where tree roots have previously disturbed the subsoil. Proper membrane installation beneath prevents moisture wicking up through the slab, keeping stored items dry year-round. Steel mesh reinforcement adds longevity, particularly important given Chislehurst's tendency toward seasonal ground movement.
Local knowledge matters when dealing with BR7's specific ground conditions. Years spent working gardens from Hawkwood Estate to Camden Park mean understanding exactly which preparation methods suit each neighbourhood's quirks.
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Standard 8x6ft bases start around £450-£550, though sloping gardens near Scadbury Park often need additional levelling work. Larger 12x10ft workshop foundations typically range £750-£950, depending on access and ground preparation requirements.
Absolutely – from properties backing onto Chislehurst Golf Club through to homes near Mottingham station. Regular projects throughout Bickley, Elmstead Woods and surrounding streets mean knowing the best access routes and material suppliers.
Site assessments usually happen within 3-4 days, with installation following 7-10 days later. Weather permitting, most residential bases complete within a single day.
Each installation carries decade-long protection against structural failure. This covers cracking, subsidence, and water ingress – essentially everything except impact damage. Full documentation provided for home insurance purposes.
Often existing patios lack sufficient thickness or proper sub-base for heavy structures. Assessment determines whether reinforcement suffices or complete reconstruction proves more cost-effective. Many Chislehurst properties have old concrete paths that seem solid but hide inadequate foundations beneath.
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