A wobbly shed or cracked garage floor starts with inadequate foundations. Throughout SM4, properties built on London clay need concrete bases engineered to handle seasonal ground movement.
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Morden's mix of 1930s semis and modern developments share one common challenge - unpredictable soil conditions. Clay expands when wet, shrinks when dry, creating havoc for poorly-laid bases. Whether you're planning a summer house near Morden Park or replacing that old garage in St Helier, getting the concrete foundation right determines whether your structure lasts decades or develops cracks within months.
Modern concrete base construction involves more than pouring cement into a hole. Ground assessment identifies clay depth, drainage patterns, and load requirements specific to your project. Reinforced mesh prevents cracking, while proper curing techniques ensure maximum strength development. Victorian properties in Lower Morden often require deeper excavations due to historic ground disturbance, whilst newer estates might need less preparation but stricter adherence to building regulations.
Fifteen years working across SM4 means knowing which areas flood during heavy rain and where tree roots cause problems. Local knowledge prevents costly mistakes that template solutions miss.
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Standard shed bases (8x6ft) start around £650-£850, while double garage foundations typically range £2,200-£3,500. Prices reflect excavation depth, access constraints, and whether reinforcement mesh is required for your specific ground conditions.
Yes, regular work takes us from the residential streets around Morden station through to the larger plots near Morden Park and across to the terraced properties in St Helier.
Smaller bases usually take 2-3 days including excavation and curing time. Larger garage foundations might need 4-5 days, particularly if weather delays concrete pouring or additional ground preparation is discovered.
Every base carries decade-long protection against structural failure, covering both materials and workmanship. Documentation includes concrete mix specifications, reinforcement details, and photographic evidence of key construction stages.
Sometimes partial extensions work well, particularly for conservatory additions or shed enlargements. Assessment checks existing concrete depth, condition, and whether proper expansion joints can be created to prevent future cracking between old and new sections.
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