Victorian terraces in SM1 through to the spacious gardens near Nonsuch Park - every Sutton property deserves a properly laid shed foundation. Clay soil movement has caught out too many DIY attempts around here.
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Those back gardens stretching behind Sutton High Street's period properties weren't built with modern storage needs in mind. Whether you're tucking a workshop behind your semi in Cheam or maximising corner space in a Carshalton new-build, the ground preparation matters more than the shed itself. Surrey clay expands and contracts like nowhere else, particularly where old orchards once stood.
Excavation depth depends entirely on what lies beneath - sometimes it's Victorian rubble near the station, other times pure London clay towards Wallington. Compacted MOT Type 1 creates the stable sub-base, followed by either reinforced concrete or eco-friendly grid systems. Precise levelling prevents pooling water, crucial when Sutton's autumn rains test every surface.
Twenty years digging through SM postcodes teaches you which streets hide old air raid shelters and where tree roots from Beddington Park still creep under fences. Local knowledge beats generic solutions every time.




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Standard 8x6 bases start around £650-£850, though properties near the chalk downs sometimes need deeper excavation, pushing costs toward £1,100. Larger 12x10 bases generally run £1,200-£1,800 depending on access and ground conditions.
Every street from SM1's town centre to SM3's leafier roads, plus regular work in SM2 around Belmont. Cheam Village, North Cheam, Carshalton Beeches, and Wallington Broadway all see our vans weekly.
Site assessment within 3-4 days, then typically starting groundwork inside a fortnight. Most bases cure fully within 5-7 days of pouring, weather permitting.
Each foundation carries decade-long protection against settlement or structural failure. Full documentation provided, covering materials used and load specifications - particularly useful for those substantial workshop builds popular in South Sutton.
Hexagonal summerhouses, L-shaped potting shed combinations, even bases stepping down sloped gardens - measured once, built right. Those quirky corner plots near Sutton Common often need creative solutions.
Get your free, no-obligation quote today.